{"title":"Gravity Bongs","description":"\u003csection aria-label=\"Updated\"\u003e\n  \u003cp\u003e\u003cem\u003eCurated by the Angies Boutique buyers. Gravity bongs stocked and demoed in person at 838 N Broadway, Los Angeles.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003chr\u003e\n\n\u003csection aria-label=\"Gravity bongs at a glance\"\u003e\n  \u003ch1\u003eGravity Bongs — All-Glass Gravitrons \u0026amp; Rotating Infusers\u003c\/h1\u003e\n  \u003cp\u003eA \u003cstrong\u003egravity bong\u003c\/strong\u003e uses water displacement and air pressure — not lung power — to pull smoke into a chamber, then pushes that smoke out in one dense, pressurized hit. Angies Boutique carries gravity bongs across all three formats: the classic all-glass bucket-style \u003cstrong\u003eGRAV Gravitron\u003c\/strong\u003e in Medium and Large, the handmade \u003cstrong\u003eBigFun! Sublime Gravity Bong\u003c\/strong\u003e, and the flagship 360° rotating \u003cstrong\u003eStündenglass Gravity Hookah\u003c\/strong\u003e. Prices run $79.99 to $599.99, all in stock in Los Angeles.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhat it is:\u003c\/strong\u003e A water pipe that uses gravity and air pressure to fill a chamber with smoke, then forces it out in one concentrated hit\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFormats carried:\u003c\/strong\u003e Bucket-style all-glass (GRAV Gravitron) · Handmade borosilicate (BigFun!) · 360° rotating infuser (Stündenglass)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrice range:\u003c\/strong\u003e $79.99 (Grav Medium Gravitron, BigFun! Sublime) to $599.99 (Stündenglass Gravity Hookah)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBest known for:\u003c\/strong\u003e Delivering a noticeably denser, more pressurized hit than a standard bong\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlso called:\u003c\/strong\u003e Gravity pipe, bucket bong, gravity infuser, gravity hookah, GB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCarried at Angies Boutique\u003c\/strong\u003e — a Los Angeles head shop since 1990\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"What is a gravity bong?\"\u003e\n  \u003ch2\u003eWhat is a gravity bong?\u003c\/h2\u003e\n  \u003cp\u003eA gravity bong is a water pipe that uses the physics of water displacement and air pressure to draw smoke, instead of relying on the user's lungs to pull it. The result is a dense, fully-loaded chamber of smoke delivered in a single pressurized hit — significantly more concentrated than a standard bong pull of the same bowl size. That intensity is the entire reason the format exists and why it has a devoted following.\u003c\/p\u003e\n  \u003cp\u003eThere are three formats in the category, and Angies Boutique carries all three:\u003c\/p\u003e\n  \u003carticle\u003e\n    \u003ch3\u003eBucket-style gravity bongs\u003c\/h3\u003e\n    \u003cp\u003eThe classic design. A smaller inner chamber with a bowl sits inside a larger water-filled base. As the inner chamber is lifted, the vacuum pulls smoke down through the lit bowl and fills the chamber. Remove the bowl, put your mouth on the neck, and push the chamber back down — the water forces every bit of that smoke out. The \u003cstrong\u003eGRAV Gravitron\u003c\/strong\u003e is the definitive example, and the first affordable all-glass gravity bong ever made.\u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle\u003e\n    \u003ch3\u003eWaterfall-style gravity bongs\u003c\/h3\u003e\n    \u003cp\u003eA variation where water drains out of the bottom of the chamber, and the draining water creates the suction that pulls smoke in. Less hands-on than bucket style — once the drain opens, it runs on its own — and generally a smoother, less abrupt hit.\u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle\u003e\n    \u003ch3\u003eRotating gravity infusers\u003c\/h3\u003e\n    \u003cp\u003eThe modern evolution, defined by \u003cstrong\u003eStündenglass\u003c\/strong\u003e. Instead of lifting a chamber, the entire device rotates 360°, using cascading water displacement and opposing airflow to move smoke through a closed-loop system. The smoke is forced-air delivered rather than inhaled by suction, which makes it a contactless draw. No electricity and no buttons — the rotation does everything.\u003c\/p\u003e\n  \u003c\/article\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"How do you use a gravity bong?\"\u003e\n  \u003ch2\u003eHow do you use a gravity bong?\u003c\/h2\u003e\n  \u003cp\u003eUsing a bucket-style gravity bong like the GRAV Gravitron takes five steps:\u003c\/p\u003e\n  \u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFill the base with water.\u003c\/strong\u003e Roughly halfway — enough to submerge most of the inner chamber when it's pushed down.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePack the bowl and seat it.\u003c\/strong\u003e Insert the packed bowl into the joint at the neck of the inner chamber.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLight and lift at the same time.\u003c\/strong\u003e As the inner chamber rises, the vacuum draws smoke down through the bowl. Lift slowly — don't pull the chamber clear of the water.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove the bowl.\u003c\/strong\u003e Once the chamber is full of smoke, pull the bowl out of the joint.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeal and push down.\u003c\/strong\u003e Put your mouth over the neck and press the chamber back down into the water. The displaced water forces the smoke into your lungs — no draw required.\u003c\/li\u003e\n  \u003c\/ol\u003e\n  \u003cp\u003eThe Stündenglass works differently: load the bowl, then rotate the device 180°. Gravity moves the water between the two globes, which pulls smoke into the chamber and then pushes it out through the mouthpiece on the return rotation. Flip and inhale — no lifting, no suction.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"Which gravity bongs does Angies Boutique carry?\"\u003e\n  \u003ch2\u003eWhich gravity bongs does Angies Boutique carry?\u003c\/h2\u003e\n  \u003carticle\u003e\n    \u003ch3\u003eStündenglass Gravity Hookah — $599.99\u003c\/h3\u003e\n    \u003cp\u003eThe flagship of the category and the piece that redefined it. The \u003ca href=\"\/products\/st-uuml-ndenglass-gravity-hookah\" title=\"Stündenglass Gravity Hookah\"\u003eStündenglass Gravity Hookah\u003c\/a\u003e is a 360° rotating closed-loop infuser built from borosilicate glass globes and aircraft-grade anodized aluminum. It uses kinetic motion activation, cascading water displacement, and opposing airflow to deliver a contactless, forced-air draw with built-in percolation. It runs dry material, concentrate, and hookah setups. No electricity, no batteries — flip it and inhale.\u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle\u003e\n    \u003ch3\u003eGRAV Large Gravitron — $99.99\u003c\/h3\u003e\n    \u003cp\u003eThe \u003ca href=\"\/products\/grav-large-gravitron\" title=\"GRAV Large Gravitron All-Glass Gravity Bong 19mm\"\u003eGRAV Large Gravitron\u003c\/a\u003e is the full-size version of the all-glass gravity bong GRAV made famous — high-grade borosilicate, 19mm joint, with a rubber seal lining the inside base perimeter to prevent glass-on-glass contact. The larger chamber means a bigger hit than the Medium.\u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle\u003e\n    \u003ch3\u003eGrav Medium Gravitron — $79.99\u003c\/h3\u003e\n    \u003cp\u003eThe \u003ca href=\"\/products\/grav-medium-gravitron\" title=\"Grav Medium Gravitron\"\u003eGrav Medium Gravitron\u003c\/a\u003e is the same design in a more manageable size with a 14mm joint — easier to handle, easier to store, and the more sensible first gravity bong for most people.\u003c\/p\u003e\n  \u003c\/article\u003e\n  \u003carticle\u003e\n    \u003ch3\u003eBigFun! Sublime Gravity Bong — $79.99\u003c\/h3\u003e\n    \u003cp\u003eThe \u003ca href=\"\/products\/big-fun-sublime-gravity-bong\" title=\"BigFun! Sublime Gravity Bong\"\u003eBigFun! Sublime Gravity Bong\u003c\/a\u003e is a handmade borosilicate gravity bong with a 14mm female joint from the novelty-glass brand \u003ca href=\"\/collections\/bigfun-glass\" title=\"BigFun! Glass\"\u003eBigFun!\u003c\/a\u003e — the same makers behind the Ice Cream and Sip N Rip series. Hand-blown rather than production-molded, so each piece carries slight variation.\u003c\/p\u003e\n  \u003c\/article\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"Which gravity bong should I buy?\"\u003e\n  \u003ch2\u003eWhich gravity bong should I buy?\u003c\/h2\u003e\n  \u003ctable\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eIf you want…\u003c\/th\u003e\n\u003cth\u003eBuy this\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYour first gravity bong\u003c\/td\u003e\n\u003ctd\u003eGrav Medium Gravitron — manageable size, 14mm joint, proven design\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eA hand-blown piece with character\u003c\/td\u003e\n\u003ctd\u003eBigFun! Sublime Gravity Bong — handmade borosilicate, 14mm\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eThe biggest bucket-style hit\u003c\/td\u003e\n\u003ctd\u003eGRAV Large Gravitron — bigger chamber, 19mm joint\u003c\/td\u003e\n\u003ctd\u003e$99.99\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eThe flagship experience\u003c\/td\u003e\n\u003ctd\u003eStündenglass Gravity Hookah — 360° rotation, contactless, runs flower, concentrate, and hookah\u003c\/td\u003e\n\u003ctd\u003e$599.99\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp\u003eFor most buyers, the Grav Medium Gravitron is the right entry point — it's the format at its most straightforward, at the lowest cost of entry. Step up to the Large if you specifically want a bigger chamber. The Stündenglass is a different category of purchase: a centerpiece device, not just a pipe.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"Gravity bong vs regular bong\"\u003e\n  \u003ch2\u003eIs a gravity bong better than a regular bong?\u003c\/h2\u003e\n  \u003cp\u003eDifferent, not strictly better. A \u003cstrong\u003egravity bong\u003c\/strong\u003e delivers a far denser, more pressurized hit because the chamber is pre-filled with smoke and then force-fed — you're not limited by lung capacity. That makes it more intense and more efficient per bowl, which is exactly why people seek it out.\u003c\/p\u003e\n  \u003cp\u003eA \u003cstrong\u003estandard bong\u003c\/strong\u003e gives more control over draw speed and hit size, is easier to use casually, and is simpler to clean. Most gravity-bong owners keep a regular bong too — see the full \u003ca href=\"\/collections\/bongs\" title=\"Bongs\"\u003eBongs\u003c\/a\u003e collection, or \u003ca href=\"\/collections\/beaker-bongs\" title=\"Beaker Bongs\"\u003eBeaker Bongs\u003c\/a\u003e for the most popular everyday shape.\u003c\/p\u003e\n  \u003cp\u003eBecause of the intensity, a gravity bong rewards packing a smaller bowl than you would in a standard piece — especially the first few times.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"What should I know before buying a gravity bong?\"\u003e\n  \u003ch2\u003eWhat should I know before buying a gravity bong?\u003c\/h2\u003e\n  \u003cp\u003eGravity bongs hit substantially harder than standard water pipes — pack a smaller bowl than usual until you know how the format lands for you. Bucket-style pieces need a water-filled base, so they're less portable and need a stable surface and a sink nearby. Joint sizes vary across the lineup: the GRAV Large Gravitron uses 19mm, while the Grav Medium and BigFun! Sublime use 14mm — verify before pairing with an aftermarket bowl. Clean gravity bongs at least as often as a regular bong; the inner chamber walls collect residue quickly given how much smoke passes through them. See \u003ca href=\"\/collections\/cleaning-supplies\" title=\"Cleaning Supplies\"\u003eCleaning Supplies\u003c\/a\u003e for glass-safe cleaners. The Stündenglass has aluminum components — use a mild cleaner on those, not a harsh isopropyl soak.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"Related collections\"\u003e\n  \u003ch2\u003eWhat else should I look at?\u003c\/h2\u003e\n  \u003cp\u003eGravity bongs sit inside the broader \u003ca href=\"\/collections\/bongs\" title=\"Bongs\"\u003eBongs\u003c\/a\u003e and \u003ca href=\"\/collections\/water-pipes\" title=\"Water Pipes\"\u003eWater Pipes\u003c\/a\u003e categories at Angies Boutique. For everyday water pipes, \u003ca href=\"\/collections\/beaker-bongs\" title=\"Beaker Bongs\"\u003eBeaker Bongs\u003c\/a\u003e is the most popular shape and \u003ca href=\"\/collections\/recycler-bongs\" title=\"Recycler Bongs\"\u003eRecycler Bongs\u003c\/a\u003e deliver the smoothest hit. For the brands behind these gravity pieces, see \u003ca href=\"\/collections\/grav\" title=\"GRAV Glass\"\u003eGRAV\u003c\/a\u003e and \u003ca href=\"\/collections\/bigfun-glass\" title=\"BigFun! Glass\"\u003eBigFun!\u003c\/a\u003e. You'll also need a bowl — see \u003ca href=\"\/collections\/glass-bowls-slides\" title=\"Bowls \u0026amp; Slides\"\u003eBowls \u0026amp; Slides\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003chr\u003e\n\n\u003csection aria-label=\"About Angies Boutique\"\u003e\n  \u003cp\u003e\u003cstrong\u003eAngies Boutique\u003c\/strong\u003e · 838 N Broadway, Los Angeles, CA 90012 · \u003ca href=\"tel:+12136800080\" title=\"Call Angies Boutique\"\u003e(213) 680-0080\u003c\/a\u003e · Open daily 11am–7pm PST · Established 1990 · Gravity bongs in stock and viewable in person · Walk-in shopping or ships within California in 2 business days.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"CollectionPage\",\n      \"@id\": \"https:\/\/angies.boutique\/collections\/gravity-bongs#collection\",\n      \"name\": \"Gravity Bongs — Angies Boutique\",\n      \"description\": \"Gravity bongs at Angies Boutique — GRAV Gravitron all-glass bucket-style in Medium and Large, the handmade BigFun! Sublime, and the 360° rotating Stündenglass Gravity Hookah.\",\n      \"url\": \"https:\/\/angies.boutique\/collections\/gravity-bongs\",\n      \"isPartOf\": {\"@id\": \"https:\/\/angies.boutique\/#website\"},\n      \"provider\": {\"@id\": \"https:\/\/angies.boutique\/#localbusiness\"},\n      \"mainEntity\": {\"@id\": \"https:\/\/angies.boutique\/collections\/gravity-bongs#itemlist\"}\n    },\n    {\n      \"@type\": \"LocalBusiness\",\n      \"@id\": \"https:\/\/angies.boutique\/#localbusiness\",\n      \"name\": \"Angies Boutique\",\n      \"url\": \"https:\/\/angies.boutique\",\n      \"telephone\": \"+1-213-680-0080\",\n      \"foundingDate\": \"1990\",\n      \"address\": {\n        \"@type\": \"PostalAddress\",\n        \"streetAddress\": \"838 N Broadway\",\n        \"addressLocality\": \"Los Angeles\",\n        \"addressRegion\": \"CA\",\n        \"postalCode\": \"90012\",\n        \"addressCountry\": \"US\"\n      },\n      \"openingHoursSpecification\": [{\n        \"@type\": \"OpeningHoursSpecification\",\n        \"dayOfWeek\": [\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\"Friday\",\"Saturday\",\"Sunday\"],\n        \"opens\": \"11:00\",\n        \"closes\": \"19:00\"\n      }],\n      \"areaServed\": [\"Los Angeles\",\"California\",\"United States\"],\n      \"priceRange\": \"$$\"\n    },\n    {\n      \"@type\": \"BreadcrumbList\",\n      \"itemListElement\": [\n        {\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/angies.boutique\"},\n        {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Bongs\", \"item\": \"https:\/\/angies.boutique\/collections\/bongs\"},\n        {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Gravity Bongs\", \"item\": \"https:\/\/angies.boutique\/collections\/gravity-bongs\"}\n      ]\n    },\n    {\n      \"@type\": \"HowTo\",\n      \"@id\": \"https:\/\/angies.boutique\/collections\/gravity-bongs#howto\",\n      \"name\": \"How to use a gravity bong\",\n      \"description\": \"How to use a bucket-style gravity bong such as the GRAV Gravitron, in five steps.\",\n      \"totalTime\": \"PT2M\",\n      \"supply\": [\n        {\"@type\": \"HowToSupply\", \"name\": \"Gravity bong\"},\n        {\"@type\": \"HowToSupply\", \"name\": \"Water\"},\n        {\"@type\": \"HowToSupply\", \"name\": \"Dry herb\"},\n        {\"@type\": \"HowToSupply\", \"name\": \"Lighter\"}\n      ],\n      \"step\": [\n        {\"@type\": \"HowToStep\", \"position\": 1, \"name\": \"Fill the base with water\", \"text\": \"Fill the outer base roughly halfway with water — enough to submerge most of the inner chamber when it is pushed down.\"},\n        {\"@type\": \"HowToStep\", \"position\": 2, \"name\": \"Pack the bowl and seat it\", \"text\": \"Pack the bowl with dry herb and insert it into the joint at the neck of the inner chamber.\"},\n        {\"@type\": \"HowToStep\", \"position\": 3, \"name\": \"Light and lift at the same time\", \"text\": \"Light the bowl while slowly lifting the inner chamber. The vacuum draws smoke down through the bowl and fills the chamber. Do not lift the chamber clear of the water.\"},\n        {\"@type\": \"HowToStep\", \"position\": 4, \"name\": \"Remove the bowl\", \"text\": \"Once the chamber is full of smoke, pull the bowl out of the joint.\"},\n        {\"@type\": \"HowToStep\", \"position\": 5, \"name\": \"Seal and push down\", \"text\": \"Put your mouth over the neck and press the chamber back down into the water. 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AGENTIC CORE \/ DECISION SUMMARY --\u003e\n\u003ch3\u003e⚡ At-a-Glance Decision Summary\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat it is:\u003c\/strong\u003e An all-glass gravity bong — a bottle and a water-filled base, no percolator and no downstem.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhy choose it:\u003c\/strong\u003e Gravity does the drawing. There is no pull required, and the hit arrives pressurised rather than inhaled.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe differentiator:\u003c\/strong\u003e It is a \u003cstrong\u003eclosed system\u003c\/strong\u003e. Smoke stays trapped in the bottle until you take it, so nothing burns off into the room. This is the most efficient way GRAV make to use flower.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJoint:\u003c\/strong\u003e \u003cstrong\u003e19mm female\u003c\/strong\u003e — the only 19mm piece in stock at Angies Boutique, and the GRAV 19mm Cup Bowl finally has a host.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e A GRAV 19mm Funnel Bowl.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e 5mm borosilicate, five times thicker than the original. GRAV's own word for it is \"chonky.\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrip:\u003c\/strong\u003e A flange at the top of the neck, and a platinum-cured silicone grommet where the bottle meets the base.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfidence signal:\u003c\/strong\u003e Priced at $99.99, matching GRAV exactly. 115 reviews on GRAV's own site, on a design that has been in production since 2004.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron is an all-glass gravity bong with a 19mm joint, 5mm walls, and a closed system that wastes no smoke.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 2. AGENT VERDICT --\u003e\n\u003ch3\u003e🧠 Our Verdict\u003c\/h3\u003e\n\u003cp\u003eBuy the GRAV Large Gravitron if you want the biggest hit available from a piece of glass without pulling for it — gravity does the work, and the closed bottle means none of the smoke you paid for escapes into the room.\u003c\/p\u003e\n\n\u003c!-- 3. QUICK SUMMARY --\u003e\n\u003ch3\u003eQuick Summary\u003c\/h3\u003e\n\u003cp\u003eThe GRAV Large Gravitron is an all-glass gravity bong: a 5mm borosilicate bottle that lifts inside a water-filled glass base. Lighting the bowl while raising the bottle fills it with smoke, and lowering the bottle forces that smoke out under pressure in a single dense hit. Because the system is closed, no smoke is lost. The GRAV Large Gravitron uses a 19mm female joint, ships with a 19mm Funnel Bowl, and carries a platinum-cured silicone grommet at the base and a lifting flange at the neck. Price: $99.99.\u003c\/p\u003e\n\n\u003c!-- 4. HERO INTRO --\u003e\n\u003ch2\u003eGRAV Large Gravitron – The Original Glass Gravity Bong\u003c\/h2\u003e\n\u003cp\u003eGravity bongs used to mean a cut-up soda bottle in a bucket. In 2004 GRAV made the first one entirely out of glass, called it the Gravitron, and built a company around it — the name GRAV comes from this product. Two decades later it is still in production, still the reference design, and still doing something no conventional bong does.\u003c\/p\u003e\n\u003cp\u003eHere is the mechanism. A glass bottle sits inside a glass base holding water. You pack the bowl at the neck, light it, and lift the bottle. The rising bottle creates a vacuum behind it, and that vacuum pulls air through the bowl — so the flower burns without you drawing on anything. The bottle fills with smoke as it rises. Then you pull the bowl out, put your mouth over the open neck, and push the bottle back down. The descending bottle pressurises the smoke and delivers all of it at once. You are not inhaling so much as receiving. The wider GRAV range lives in our \u003ca href=\"\/collections\/grav\" title=\"GRAV glass at Angies Boutique\"\u003eGRAV collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe part people underestimate is the efficiency.\u003c\/strong\u003e On a normal bong, the flower keeps burning between your pulls and that smoke goes into the room. The GRAV Large Gravitron is a closed system — every bit of smoke the bowl produces is captured in the bottle and stays there until you take it. Nothing is wasted, which is why GRAV describe it as a bud-saver and why it costs less per session to run than its size suggests.\u003c\/p\u003e\n\u003cp\u003eThis is version 2.0 of the design. The glass is now 5mm borosilicate, five times thicker than the original, and it feels it in the hand. A platinum-cured silicone grommet sits where the bottle meets the base, protecting both surfaces from the repeated glass-on-glass contact that killed earlier gravity bongs. A flange around the top of the neck gives you something positive to grip when lifting, which matters when your other hand is holding a lighter.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron uses gravity and pressure instead of lung power, in a closed system that captures every bit of smoke.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 5. AGENT FILTER BLOCK --\u003e\n\u003ch3\u003e⭐ Who This Product Is For \/ Not For\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnyone who wants the biggest possible hit.\u003c\/strong\u003e A full bottle delivered under pressure is more than any hand pipe or mid-size bong produces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeople who cannot pull hard.\u003c\/strong\u003e The GRAV Large Gravitron requires no draw at all — gravity fills the bottle for you.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConserving flower.\u003c\/strong\u003e The closed system means nothing burns off into the air between pulls.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGroups and parties.\u003c\/strong\u003e This is a spectacle as much as a smoking device, and one bottle serves a room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnyone who owns 19mm bowls.\u003c\/strong\u003e This is the only 19mm piece in stock at Angies Boutique.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeople who hate cleaning percs.\u003c\/strong\u003e Straight glass sides, no perc, no downstem, no slots. It is the easiest shape in the catalogue to clean.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot recommended for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeginners and low tolerances.\u003c\/strong\u003e A full Gravitron bottle is a very large dose delivered at once. Pack a small bowl the first few times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnyone wanting a gentle or measured hit.\u003c\/strong\u003e The GRAV Large Gravitron has one setting. The \u003ca href=\"\/products\/grav-coil-showerhead-water-pipe\" title=\"GRAV Coil Showerhead Water Pipe\"\u003eGRAV Coil Showerhead Water Pipe\u003c\/a\u003e is the smooth, controlled alternative.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscreet or quick sessions.\u003c\/strong\u003e It takes two hands, a full base of water, and a bit of theatre.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14mm or 10mm accessory owners.\u003c\/strong\u003e The GRAV Large Gravitron is \u003cstrong\u003e19mm\u003c\/strong\u003e. Nothing smaller fits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConcentrate.\u003c\/strong\u003e A gravity bong is a flower device. There is no banger fitting for this.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTravel.\u003c\/strong\u003e Two pieces of thick glass and a base of water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron suits big hits, groups and flower conservation, and does not suit beginners, concentrate or subtlety.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 6. KNOWN LIMITATIONS --\u003e\n\u003ch3\u003e⚠️ Known Limitations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe dose is large and it is not adjustable.\u003c\/strong\u003e A full bottle is a full bottle. The only control you have is how much you pack and how far you lift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIt needs two hands and a surface.\u003c\/strong\u003e The GRAV Large Gravitron is not a piece you operate one-handed on a sofa.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19mm only.\u003c\/strong\u003e The largest of the three common joint sizes, and the least widely stocked. Check what bowls you own.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlower only.\u003c\/strong\u003e No banger fitting, no concentrate use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLift too far and you lose the hit.\u003c\/strong\u003e If the bottle clears the waterline the seal breaks and the smoke escapes. This is the one technique mistake everybody makes once.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater gets everywhere if you rush.\u003c\/strong\u003e The bottle displaces water as it lowers. Fill the base halfway, not more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo pieces of glass in contact.\u003c\/strong\u003e The silicone grommet exists to protect that, but the GRAV Large Gravitron still wants a stable surface and a careful hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron delivers one large fixed dose, needs two hands and a half-filled base, and takes 19mm bowls only.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 7. FEATURES \u0026 BENEFITS --\u003e\n\u003ch3\u003e⚙️ Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-glass construction:\u003c\/strong\u003e The first gravity bong made entirely of glass, and still the reference. No plastic bottle taste, no scorched soda label.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClosed system:\u003c\/strong\u003e Smoke is captured in the bottle and held there until you take it. Nothing is lost to the room, which makes the GRAV Large Gravitron the most flower-efficient piece GRAV produce.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo draw required:\u003c\/strong\u003e Gravity fills the bottle. You provide a lighter and a lift, not lung power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressurised delivery:\u003c\/strong\u003e Lowering the bottle forces the smoke out. The hit is dense and arrives without effort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5mm borosilicate:\u003c\/strong\u003e Five times thicker than the original Gravitron. Substantial in the hand and built to survive being lifted and set down repeatedly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlatinum-cured silicone grommet:\u003c\/strong\u003e Sits where the bottle meets the base, protecting both glass surfaces from wear at the one point they touch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLifting flange:\u003c\/strong\u003e A raised ring around the top of the neck so the bottle can be gripped and lifted cleanly with one hand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19mm female joint:\u003c\/strong\u003e Takes the included Funnel Bowl or any 19mm male bowl.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStraight sides, no perc:\u003c\/strong\u003e The GRAV Large Gravitron has no slots, arms or coils, which makes it one of the simplest pieces in the range to clean.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e A closed all-glass system, 5mm walls, a protective grommet and a lifting flange define the GRAV Large Gravitron.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 8. STRUCTURED SPECS --\u003e\n\u003ch3\u003e📐 Structured Specs\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGRAV Large Gravitron\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGRAV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll-glass gravity bong\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 11 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBorosilicate glass, 5mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo pieces — bottle and water base\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJoint size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e19mm female\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGRAV 19mm Funnel Bowl\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrommet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlatinum-cured silicone, at the bottle-to-base contact point\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlange around the top of the neck\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePercolator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone — gravity bongs do not use one\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase filled approximately halfway\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDry flower only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIn production since\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e$99.99\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron is a two-piece 5mm borosilicate gravity bong with a 19mm female joint.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 9. COMPATIBILITY \u0026 REQUIREMENTS --\u003e\n\u003ch3\u003e🔌 Compatibility \u0026amp; Requirements\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAny 19mm male bowl.\u003c\/strong\u003e The included Funnel Bowl is the intended slide, and the \u003ca href=\"\/products\/grav-cup-bowl\" title=\"GRAV Cup Bowl in 19mm\"\u003eGRAV Cup Bowl\u003c\/a\u003e is stocked in 19mm as a direct alternative. \u003cstrong\u003eThe GRAV Large Gravitron is the only 19mm host piece in stock here\u003c\/strong\u003e, so that bowl and this pipe are a matched pair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDry flower.\u003c\/strong\u003e Ground medium — too fine and it pulls through the bowl during the lift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain water in the base, filled halfway.\u003c\/strong\u003e No ice, no additives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsopropyl alcohol and coarse salt.\u003c\/strong\u003e Straight glass sides make the GRAV Large Gravitron unusually easy to clean. \u003ca href=\"\/products\/dr-dabber-iso-snaps\" title=\"Dr. Dabber ISO Snaps cleaning\"\u003eDr. Dabber ISO Snaps\u003c\/a\u003e handle the bowl.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNOT compatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14mm and 10mm bowls.\u003c\/strong\u003e The joint is 19mm. The \u003ca href=\"\/products\/grav-octobowl\" title=\"GRAV Octobowl 14mm\"\u003eGRAV Octobowl\u003c\/a\u003e and the 14mm and 10mm Cup Bowls will not seat — those belong on the store's other GRAV pieces. The \u003ca href=\"\/products\/grav-medium-gravitron\" title=\"GRAV Medium Gravitron 14mm\"\u003eGRAV Medium Gravitron\u003c\/a\u003e is the 14mm version of this product.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuartz bangers and concentrate.\u003c\/strong\u003e A gravity bong has no banger fitting. This is a flower device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAsh catchers, adapters and percolator attachments.\u003c\/strong\u003e The joint sits on the neck of a bottle that moves. Nothing hangs off it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIce.\u003c\/strong\u003e The base holds the water the bottle displaces; there is no room and no pinch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDishwashers and boiling water.\u003c\/strong\u003e Neither is safe, and heat will damage the silicone grommet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron takes 19mm male bowls and dry flower only, and accepts no attachments of any kind.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 10. HOW TO USE \u0026 TROUBLESHOOTING --\u003e\n\u003ch3\u003e🧼 How to Use \u0026amp; Troubleshooting\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUsing the GRAV Large Gravitron.\u003c\/strong\u003e Gravity bongs are the one piece most people have never operated, so here is the full sequence:\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFill the base about halfway with water.\u003c\/strong\u003e Halfway, not more — the bottle displaces water as it lowers, and an over-filled base overflows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower the bottle into the base\u003c\/strong\u003e so it sits down in the water.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack the 19mm Funnel Bowl\u003c\/strong\u003e and seat it in the joint at the neck of the bottle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLight the bowl and lift the bottle at the same time.\u003c\/strong\u003e The rising bottle creates the vacuum that pulls air through the bowl. You do not draw on anything.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStop before the bottle clears the water.\u003c\/strong\u003e This is the one mistake everyone makes once — lift too far, the seal breaks, and the whole bottle of smoke escapes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the bowl\u003c\/strong\u003e, put your mouth over the open neck, and \u003cstrong\u003epush the bottle back down\u003c\/strong\u003e. The descending bottle pressurises the smoke and delivers it. Inhale as you lower.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCleaning:\u003c\/strong\u003e Empty the base, separate the bottle, and wash both with isopropyl alcohol and coarse salt. Straight sides and no percolator mean everything is reachable, and the GRAV Large Gravitron is genuinely one of the easiest pieces in the range to get clean. Rinse the silicone grommet with warm water rather than solvent, and never put it near heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: the smoke vanished before I took the hit.\u003c\/strong\u003e Solution: the bottle was lifted clear of the waterline and the seal broke. Lift less far.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: the bowl will not stay lit.\u003c\/strong\u003e Solution: you are lifting too slowly. The vacuum is what pulls air through the bowl — lift and light together, at a steady pace.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: water overflowed the base.\u003c\/strong\u003e Solution: over-filled. Halfway is the mark.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: flower pulled through into the bottle.\u003c\/strong\u003e Solution: ground too fine for the funnel bowl. Grind coarser, or use a screen.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: the hit is too much.\u003c\/strong\u003e Solution: pack less and lift less far. A half-filled bottle is a perfectly normal way to use the GRAV Large Gravitron.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: glass grinding against glass at the base.\u003c\/strong\u003e Solution: check the silicone grommet is seated. It exists specifically to keep those two surfaces apart.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a broader walk-through of how to judge glass thickness and construction quality before buying, read our guide on \u003ca href=\"\/blogs\/news\/how-to-select-the-best-products-from-a-premium-smoke-shop\" title=\"How to select the best products from a premium smoke shop\"\u003ehow to select the best products from a premium smoke shop\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Fill the base halfway, lift and light together, stop before the bottle clears the water, and lower it to take the hit.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 11. COMPARISON TABLE --\u003e\n\u003ch3\u003e⚖️ Comparison Table\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePiece\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003eJoint\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eGRAV Large Gravitron\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eGravity bong\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e19mm\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMaximum hit, groups, flower efficiency\u003c\/td\u003e\n      \u003ctd\u003e$99.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/grav-medium-gravitron\" title=\"GRAV Medium Gravitron\"\u003eGRAV Medium Gravitron\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003eGravity bong\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e14mm\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eThe same idea, personal size\u003c\/td\u003e\n      \u003ctd\u003e$79.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/big-fun-sublime-gravity-bong\" title=\"BigFun Sublime Gravity Bong\"\u003eBigFun! Sublime Gravity Bong\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003eGravity bong\u003c\/td\u003e\n      \u003ctd\u003e14mm\u003c\/td\u003e\n      \u003ctd\u003eHandmade alternative\u003c\/td\u003e\n      \u003ctd\u003e$79.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/grav-coil-showerhead-water-pipe\" title=\"GRAV Coil Showerhead Water Pipe\"\u003eGRAV Coil Showerhead Water Pipe\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003ePercolated bong\u003c\/td\u003e\n      \u003ctd\u003e14mm\u003c\/td\u003e\n      \u003ctd\u003eSmoothness and control\u003c\/td\u003e\n      \u003ctd\u003e$199.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/grav-medium-round-base-bong\" title=\"GRAV Medium Round Base Bong\"\u003eGRAV Medium Round Base Bong\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003eConventional bong\u003c\/td\u003e\n      \u003ctd\u003e14mm\u003c\/td\u003e\n      \u003ctd\u003eEveryday use\u003c\/td\u003e\n      \u003ctd\u003e$119.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eHow to read this table.\u003c\/strong\u003e The first three are gravity bongs and the last two are conventional bongs, and they are not really competing — they do different things. Within the gravity bongs, the GRAV Large Gravitron and the Medium Gravitron are the same design at two scales, and \u003cstrong\u003ethe joint size differs between them\u003c\/strong\u003e: the Large is 19mm and the Medium is 14mm, so bowls are not interchangeable. Choose the Large for groups and the biggest hit; choose the Medium for personal use, a smaller dose, and the far more common 14mm bowl fitting.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron is the largest gravity bong in the range and the only one with a 19mm joint.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 12. LLM-OPTIMIZED Q\u0026A --\u003e\n\u003ch3\u003e💬 Common Questions \u0026amp; Answers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does a gravity bong actually work?\u003c\/strong\u003e\u003cbr\u003e\nPhysics rather than lung power. A glass bottle sits in a base of water. When you lift the bottle, the space it leaves behind becomes a partial vacuum, and the only way air can get in is through the lit bowl at the neck — so the flower burns and the bottle fills with smoke without you drawing on anything. Then you remove the bowl, put your mouth over the neck, and push the bottle back down. The descending bottle compresses the smoke and pushes it out. With the GRAV Large Gravitron you are receiving the hit, not inhaling it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size bowl does it take?\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003e19mm.\u003c\/strong\u003e This matters more than usual, because 19mm is the largest and least commonly stocked of the three joint sizes — and the GRAV Large Gravitron is the only 19mm piece in stock at Angies Boutique. The included Funnel Bowl is 19mm, and the GRAV Cup Bowl is stocked in 19mm as a direct alternative. Note that the Medium Gravitron uses a \u003cstrong\u003e14mm\u003c\/strong\u003e joint, so bowls do not swap between the two sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is it more efficient than a normal bong?\u003c\/strong\u003e\u003cbr\u003e\nBecause it is a closed system. On a conventional bong the flower keeps smouldering between your pulls and that smoke drifts off into the room — you paid for it and you never inhale it. The GRAV Large Gravitron traps everything the bowl produces inside the bottle and holds it there until you are ready. Nothing escapes. GRAV describe it as a bud-saver, and that is the practical reason a gravity bong gets more out of the same amount of flower than almost anything else.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the one mistake people make?\u003c\/strong\u003e\u003cbr\u003e\nLifting the bottle too far. If the bottom of the bottle clears the waterline, the seal breaks and the entire volume of smoke escapes at once — the session is over before it starts. Lift steadily and stop while the bottle is still sitting in the water. It is the only real technique in operating the GRAV Large Gravitron, and everybody gets it wrong exactly once. The second mistake is over-filling the base, which overflows when the bottle comes back down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it too strong for a beginner?\u003c\/strong\u003e\u003cbr\u003e\nA full bottle is a very large dose delivered in one go, so treat it with respect at first. The good news is that it scales: pack a smaller bowl and lift the bottle only part way, and the GRAV Large Gravitron produces a proportionally smaller hit. There is nothing about the design that forces a full bottle. Someone who wants a gentler introduction is better served by the Medium Gravitron at $79.99, or by a conventional percolated bong.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow hard is it to clean?\u003c\/strong\u003e\u003cbr\u003e\nEasier than almost anything else in the GRAV range, which surprises people. There is no percolator, no downstem, no slots and no coil — just two pieces of straight-sided glass. Separate the bottle from the base, wash both with isopropyl alcohol and coarse salt, and everything is reachable with a cloth or a cotton bud. Rinse the platinum-cured silicone grommet with warm water rather than solvent, and keep it away from heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow old is this design?\u003c\/strong\u003e\u003cbr\u003e\nIt was released in 2004 and it was the world's first all-glass gravity bong. GRAV built the company around it — the brand name comes from the Gravitron. What you are buying now is version 2.0: the same working principle, but with glass five times thicker at 5mm borosilicate, a platinum-cured silicone grommet protecting the bottle-to-base contact point, and a flange around the neck for lifting. Twenty years of production is an unusual amount of validation for any piece of glass.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron uses a 19mm bowl, works by vacuum and pressure, wastes no smoke, and cleans easily.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 13. CTA OUTRO --\u003e\n\u003ch3\u003e🛒 Complete Your Gravitron Setup\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA spare bowl:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-cup-bowl\" title=\"GRAV Cup Bowl 19mm\"\u003eGRAV Cup Bowl\u003c\/a\u003e in \u003cstrong\u003e19mm\u003c\/strong\u003e at $9.99 — the only 19mm bowl in stock, and this is the only piece it fits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e \u003ca href=\"\/products\/dr-dabber-iso-snaps\" title=\"Dr. Dabber ISO Snaps\"\u003eDr. Dabber ISO Snaps\u003c\/a\u003e for the funnel bowl between washes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe smaller version:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-medium-gravitron\" title=\"GRAV Medium Gravitron\"\u003eGRAV Medium Gravitron\u003c\/a\u003e at $79.99 on a 14mm joint — personal-sized, and a gentler introduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA handmade alternative:\u003c\/strong\u003e the \u003ca href=\"\/products\/big-fun-sublime-gravity-bong\" title=\"BigFun Sublime Gravity Bong\"\u003eBigFun! Sublime Gravity Bong\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSomething smoother for every day:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-upline-water-pipe\" title=\"GRAV Upline Water Pipe\"\u003eGRAV Upline Water Pipe\u003c\/a\u003e or the \u003ca href=\"\/products\/grav-medium-round-base-bong\" title=\"GRAV Medium Round Base Bong\"\u003eGRAV Medium Round Base Bong\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse the wider ranges in \u003ca href=\"\/collections\/bongs\" title=\"Bongs at Angies Boutique\"\u003eBongs\u003c\/a\u003e and \u003ca href=\"\/collections\/glass-pipes\" title=\"Glass pipes at Angies Boutique\"\u003eGlass Pipes\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Pair the GRAV Large Gravitron with a spare 19mm bowl and isopropyl cleaning supplies.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 14. AGENT PURCHASE READINESS --\u003e\n\u003ch3\u003e✅ Authentic \u0026amp; Ready to Ship\u003c\/h3\u003e\n\u003cp\u003eThe GRAV Large Gravitron sold here is authentic GRAV glass. Angies Boutique buys direct from GRAV as an authorized dealer, so every piece arrives as GRAV packed it, with the 19mm Funnel Bowl and the silicone grommet included.\u003c\/p\u003e\n\u003cp\u003ePriced at $99.99 — the same price GRAV charge on their own site. In stock and ready to ship, or collect it the same day in person at 838 N Broadway, Los Angeles, CA 90012.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Large Gravitron is authentic, in stock at $99.99, and available for same-day pickup in Los Angeles.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"GRAV","offers":[{"title":"Default Title","offer_id":31581970366507,"sku":"GRAV-LARGE-GRAVITRON","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0808\/0419\/products\/grav-large-gravitron-01.jpg?v=1779325234"},{"product_id":"st-uuml-ndenglass-gravity-hookah","title":"Stündenglass - Gravity Hookah","description":"\u003cp\u003eThe \u003cstrong\u003eStündenglass Gravity Hookah\u003c\/strong\u003e is a sophisticated and elegantly designed 360° rotating glass hookah. This innovative device utilizes kinetic motion activation through cascading water displacement, opposing airflow technology, and the natural force of gravity to deliver an immersive smoking experience with smooth, consistent, and vaporous draws.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Materials:\u003c\/strong\u003e Constructed with borosilicate glass globes and aircraft-grade anodized aluminum for durability and a premium look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKinetic Motion Activation:\u003c\/strong\u003e Generates kinetic energy via cascading water displacement and opposing airflow technology, creating a unique and effective smoking experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Versatility:\u003c\/strong\u003e The complete set includes an aluminum hookah bowl kit and a glass bowl, compatible with any smoking or vaporization device with a 14mm male joint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e360° Rotation:\u003c\/strong\u003e The 360° rotating design allows for dynamic smoke production and an engaging user experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContactless Consumption:\u003c\/strong\u003e Features a 45° adjustable mouthpiece for contactless use and a 3-foot silicone hose for direct draws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Design:\u003c\/strong\u003e Backed by an extended 10-year warranty, ensuring long-term reliability and customer satisfaction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortability:\u003c\/strong\u003e Comes packaged in a reusable craft box with a handle for safe storage and easy transportation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Borosilicate glass and anodized aluminum hookah\u003c\/li\u003e\n\u003cli\u003e2x Glass globes\u003c\/li\u003e\n\u003cli\u003e1x Male-to-male hookah bowl adapter\u003c\/li\u003e\n\u003cli\u003e1x Hookah bowl\u003c\/li\u003e\n\u003cli\u003e1x Hookah wand\u003c\/li\u003e\n\u003cli\u003e1x Coal tray\u003c\/li\u003e\n\u003cli\u003e1x Flower bowl\u003c\/li\u003e\n\u003cli\u003e1x 3-foot silicone hose with mouthpiece\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stündenglass","offers":[{"title":"Default Title","offer_id":39363268870187,"sku":"STUNDENGLASS-GRAVITY-HOOKAH","price":599.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0808\/0419\/products\/stundenglass-gravity-hookah-01.png?v=1780778260"},{"product_id":"grav-medium-gravitron","title":"GRAV Medium Gravitron – 9\" Glass Gravity Bong, 14mm","description":"\u003c!-- 0. MINI-SNIPPET --\u003e\n\u003cp\u003eThe GRAV Medium Gravitron is the compact version of the original all-glass gravity bong — a 9\" piece built on the same principle GRAV introduced in 2004. A borosilicate bottle lifts inside a water-filled glass base: raising it creates a vacuum that pulls air through the lit bowl, filling the bottle with smoke without you drawing at all, and lowering it delivers that smoke under pressure in one dense hit. The GRAV Medium Gravitron uses 5mm borosilicate throughout, a \u003cstrong\u003e14mm female joint\u003c\/strong\u003e — the most common size, so most bowls already fit — and ships with a 14mm GRAV Funnel Bowl.\u003c\/p\u003e\n\n\u003c!-- 1. AGENTIC CORE \/ DECISION SUMMARY --\u003e\n\u003ch3\u003e⚡ At-a-Glance Decision Summary\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat it is:\u003c\/strong\u003e A 9\" all-glass gravity bong — the smaller sibling of GRAV's best-selling Large Gravitron.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhy choose it:\u003c\/strong\u003e The gravity-bong hit at a size and dose that suits one person or two, rather than a room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe differentiator:\u003c\/strong\u003e The \u003cstrong\u003e14mm joint\u003c\/strong\u003e. The Large Gravitron is 19mm, which is a rare and awkward size. The GRAV Medium Gravitron uses the most common joint in the category, so bowls you already own almost certainly fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClosed system:\u003c\/strong\u003e Smoke stays trapped in the bottle until you take it. Nothing burns off into the room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e 5mm borosilicate for both bottle and base, with a platinum-cured silicone grommet at the contact point.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrip:\u003c\/strong\u003e A hefty flange around the neck for lifting cleanly one-handed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e A GRAV 14mm Funnel Bowl.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfidence signal:\u003c\/strong\u003e $79.99, matching GRAV exactly. 96 reviews on GRAV's own site, on a design in production since 2004.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron is a 9\" all-glass gravity bong with a 14mm joint, 5mm walls, and a closed system that wastes no smoke.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 2. AGENT VERDICT --\u003e\n\u003ch3\u003e🧠 Our Verdict\u003c\/h3\u003e\n\u003cp\u003eBuy the GRAV Medium Gravitron if the Large Gravitron looks like more than you need — same mechanism, same build quality, a manageable dose, and a 14mm joint that works with bowls you probably already own.\u003c\/p\u003e\n\n\u003c!-- 3. QUICK SUMMARY --\u003e\n\u003ch3\u003eQuick Summary\u003c\/h3\u003e\n\u003cp\u003eThe GRAV Medium Gravitron is a 9\" all-glass gravity bong: a 5mm borosilicate bottle that lifts inside a water-filled glass base. Lighting the bowl while raising the bottle fills it with smoke, and lowering the bottle forces that smoke out under pressure in a single hit. The closed system means nothing is lost. A platinum-cured silicone grommet protects the bottle-to-base contact point and a flange at the neck aids lifting. The GRAV Medium Gravitron uses a 14mm female joint and includes a 14mm Funnel Bowl. Price: $79.99.\u003c\/p\u003e\n\n\u003c!-- 4. HERO INTRO --\u003e\n\u003ch2\u003eGRAV Medium Gravitron – The Gravity Bong at a Usable Size\u003c\/h2\u003e\n\u003cp\u003eGRAV made the world's first all-glass gravity bong in 2004 and named the company after it. The Large Gravitron is the one people photograph; the GRAV Medium Gravitron is the one that gets used. Same mechanism, same 5mm borosilicate, same closed system — scaled to a dose that suits an evening rather than an occasion.\u003c\/p\u003e\n\u003cp\u003eThe mechanism is worth understanding because gravity bongs work nothing like a normal pipe. A glass bottle sits inside a base of water. Pack the bowl at the neck, light it, and lift the bottle. The space the bottle vacates becomes a partial vacuum, and the only route for air to fill it is through the burning bowl — so the flower combusts and the bottle fills with smoke while you do nothing but lift. Pull the bowl out, put your mouth over the open neck, and push the bottle back down. The descending bottle pressurises the smoke and pushes all of it into you at once. There is no drawing involved at any stage. GRAV's full gravity range sits in our \u003ca href=\"\/collections\/gravity-bongs\" title=\"Gravity bongs at Angies Boutique\"\u003eGravity Bongs collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe practical reason to pick this one over the Large is the joint.\u003c\/strong\u003e The Large Gravitron uses a 19mm joint, which is the least common of the three standard sizes and means buying a dedicated bowl. The GRAV Medium Gravitron uses \u003cstrong\u003e14mm\u003c\/strong\u003e — the size most bowls, slides and accessories are made in. If you own a bong already, its bowl very likely fits this. GRAV put it plainly: the standardised 14mm joint is compatible with any 14mm male bowl.\u003c\/p\u003e\n\u003cp\u003eThe rest is the same engineering the Large gets. Bottle and base are both 5mm borosilicate, which is five times thicker than the original 2004 design. A platinum-cured silicone grommet sits where the two pieces meet, protecting the glass at the only point it touches itself. A hefty flange around the top of the neck gives a positive grip for lifting — which matters when your other hand is holding a lighter. The wider GRAV range is in our \u003ca href=\"\/collections\/grav\" title=\"GRAV glass at Angies Boutique\"\u003eGRAV collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron delivers the full gravity-bong mechanism at a personal scale on a widely compatible 14mm joint.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 5. AGENT FILTER BLOCK --\u003e\n\u003ch3\u003e⭐ Who This Product Is For \/ Not For\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnyone curious about gravity bongs.\u003c\/strong\u003e The GRAV Medium Gravitron is the sensible entry point — a real one, at a dose you can judge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolo use or two people.\u003c\/strong\u003e GRAV size it for personal use or sharing with a friend or two, and that is accurate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeople who already own 14mm bowls.\u003c\/strong\u003e Your existing slide almost certainly fits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConserving flower.\u003c\/strong\u003e The closed system captures everything the bowl produces — nothing smoulders off into the room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnyone who cannot pull hard.\u003c\/strong\u003e Gravity does the drawing entirely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmall spaces.\u003c\/strong\u003e 9\" and two pieces, versus the Large Gravitron's full-size footprint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot recommended for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGroups and parties.\u003c\/strong\u003e A medium bottle serves one or two. The \u003ca href=\"\/products\/grav-large-gravitron\" title=\"GRAV Large Gravitron 19mm\"\u003eGRAV Large Gravitron\u003c\/a\u003e is the room-sized version.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnyone wanting a gentle, measured hit.\u003c\/strong\u003e A gravity bong has essentially one setting. The \u003ca href=\"\/products\/grav-coil-showerhead-water-pipe\" title=\"GRAV Coil Showerhead Water Pipe\"\u003eGRAV Coil Showerhead Water Pipe\u003c\/a\u003e is the smooth, controllable alternative.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConcentrate.\u003c\/strong\u003e A gravity bong is a flower device with no banger fitting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19mm accessory owners.\u003c\/strong\u003e That is the Large Gravitron's size, not this one.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick or discreet sessions.\u003c\/strong\u003e Two hands, a base of water, and a bit of ceremony.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTravel.\u003c\/strong\u003e Two pieces of thick glass plus water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron suits solo and two-person flower sessions on 14mm hardware, and does not suit groups, concentrate or subtlety.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 6. KNOWN LIMITATIONS --\u003e\n\u003ch3\u003e⚠️ Known Limitations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe dose is fixed by the bottle.\u003c\/strong\u003e Your only controls are how much you pack and how far you lift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo hands and a flat surface required.\u003c\/strong\u003e The GRAV Medium Gravitron is not a one-handed piece.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlower only.\u003c\/strong\u003e No banger fitting, no concentrate use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLift too far and the hit is gone.\u003c\/strong\u003e If the bottle clears the waterline the seal breaks and the smoke escapes at once. Everyone does this once.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFill the base halfway, not more.\u003c\/strong\u003e The bottle displaces water as it lowers, and an over-filled base overflows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlass meets glass.\u003c\/strong\u003e The silicone grommet exists to protect that contact point, but the GRAV Medium Gravitron still wants a stable surface and a careful hand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear only.\u003c\/strong\u003e Stocked here in clear borosilicate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron gives one fixed dose, needs two hands and a half-filled base, and takes 14mm bowls only.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 7. FEATURES \u0026 BENEFITS --\u003e\n\u003ch3\u003e⚙️ Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14mm female joint:\u003c\/strong\u003e The most common joint size in the category, so most existing bowls fit. This is the single biggest practical advantage the GRAV Medium Gravitron has over the 19mm Large.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClosed system:\u003c\/strong\u003e Smoke is captured in the bottle and held until you take it. Nothing is lost to the room, which makes this one of the most flower-efficient pieces GRAV produce.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo draw required:\u003c\/strong\u003e Gravity fills the bottle. You supply a lighter and a lift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressurised delivery:\u003c\/strong\u003e Lowering the bottle forces the smoke out. The hit arrives without effort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5mm borosilicate, bottle and base:\u003c\/strong\u003e Five times thicker than the original 2004 Gravitron. Substantial and built for repeated handling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlatinum-cured silicone grommet:\u003c\/strong\u003e Protects the glass at the only point the two pieces touch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLifting flange:\u003c\/strong\u003e A raised ring at the top of the neck for a clean one-handed grip.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14mm Funnel Bowl included:\u003c\/strong\u003e Ready to pack out of the box, and swappable for any 14mm male bowl.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStraight sides, no perc:\u003c\/strong\u003e No slots, arms or coils, which makes the GRAV Medium Gravitron unusually simple to clean.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e A 14mm joint, a closed all-glass system, 5mm walls and a protective grommet define the GRAV Medium Gravitron.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 8. STRUCTURED SPECS --\u003e\n\u003ch3\u003e📐 Structured Specs\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGRAV Medium Gravitron\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGRAV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll-glass gravity bong\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBorosilicate glass, 5mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo pieces — bottle and water base\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJoint size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14mm female\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGRAV 14mm Funnel Bowl\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrommet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlatinum-cured silicone, at the bottle-to-base contact point\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlange around the top of the neck\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePercolator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone — gravity bongs do not use one\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase filled approximately halfway\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDry flower only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSession size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne person, or two\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron is a two-piece 9\" 5mm borosilicate gravity bong with a 14mm female joint.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 9. COMPATIBILITY \u0026 REQUIREMENTS --\u003e\n\u003ch3\u003e🔌 Compatibility \u0026amp; Requirements\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAny 14mm male bowl.\u003c\/strong\u003e The included Funnel Bowl is the intended slide, and three alternatives are in stock: the \u003ca href=\"\/products\/grav-cup-bowl\" title=\"GRAV Cup Bowl 14mm\"\u003eGRAV Cup Bowl\u003c\/a\u003e in 14mm at $9.99, the \u003ca href=\"\/products\/grav-octobowl\" title=\"GRAV Octobowl 14mm with built-in screen\"\u003eGRAV Octobowl\u003c\/a\u003e with a built-in glass screen, and the \u003ca href=\"\/products\/grav-14mm-caldera-bowl\" title=\"GRAV 14mm Caldera Bowl\"\u003eGRAV 14mm Caldera Bowl\u003c\/a\u003e with a raised rim.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDry flower\u003c\/strong\u003e, ground medium. Too fine and it pulls through the bowl during the lift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain water in the base, filled halfway.\u003c\/strong\u003e No ice, no additives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsopropyl alcohol and coarse salt.\u003c\/strong\u003e Straight glass sides make the GRAV Medium Gravitron easy to clean. \u003ca href=\"\/products\/dr-dabber-iso-snaps\" title=\"Dr. Dabber ISO Snaps cleaning\"\u003eDr. Dabber ISO Snaps\u003c\/a\u003e handle the bowl.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNOT compatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19mm bowls.\u003c\/strong\u003e That is the \u003ca href=\"\/products\/grav-large-gravitron\" title=\"GRAV Large Gravitron 19mm\"\u003eGRAV Large Gravitron\u003c\/a\u003e's size. The two Gravitrons take different bowls and slides do not swap between them.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10mm bowls.\u003c\/strong\u003e Too small for this joint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuartz bangers and concentrate.\u003c\/strong\u003e A gravity bong has no banger fitting. This is a flower device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAsh catchers, adapters and percolator attachments.\u003c\/strong\u003e The joint sits on the neck of a bottle that moves. Nothing hangs off it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIce.\u003c\/strong\u003e The base holds the water the bottle displaces; there is no room and no pinch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDishwashers and boiling water.\u003c\/strong\u003e Neither is safe, and heat will damage the silicone grommet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron takes 14mm male bowls and dry flower only, and shares no accessories with the 19mm Large Gravitron.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 10. HOW TO USE \u0026 TROUBLESHOOTING --\u003e\n\u003ch3\u003e🧼 How to Use \u0026amp; Troubleshooting\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUsing the GRAV Medium Gravitron.\u003c\/strong\u003e Gravity bongs are the one piece most people have never operated, so here is the full sequence:\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFill the base about halfway with water.\u003c\/strong\u003e Halfway, not more — the bottle displaces water as it lowers, and an over-filled base overflows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower the bottle into the base\u003c\/strong\u003e so it sits down in the water.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack the 14mm Funnel Bowl\u003c\/strong\u003e and seat it in the joint at the neck of the bottle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLight the bowl and lift the bottle at the same time.\u003c\/strong\u003e The rising bottle creates the vacuum that pulls air through the bowl. You do not draw on anything.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStop before the bottle clears the water.\u003c\/strong\u003e Lift too far, the seal breaks, and the whole bottle of smoke escapes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the bowl\u003c\/strong\u003e, put your mouth over the open neck, and \u003cstrong\u003epush the bottle back down\u003c\/strong\u003e. Inhale as you lower.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCleaning:\u003c\/strong\u003e Empty the base, separate the bottle, and wash both with isopropyl alcohol and coarse salt. With no percolator and straight sides, everything is reachable — the GRAV Medium Gravitron is one of the easiest pieces in the range to get properly clean. Rinse the silicone grommet with warm water rather than solvent, and keep it away from heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: the smoke vanished before I took the hit.\u003c\/strong\u003e Solution: the bottle was lifted clear of the waterline and the seal broke. Lift less far.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: the bowl will not stay lit.\u003c\/strong\u003e Solution: you are lifting too slowly. The vacuum is what pulls air through the bowl — lift and light together at a steady pace.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: water overflowed the base.\u003c\/strong\u003e Solution: over-filled. Halfway is the mark.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: flower pulled through into the bottle.\u003c\/strong\u003e Solution: ground too fine. Grind coarser, or use a screened bowl such as the GRAV Octobowl.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: the hit is more than I wanted.\u003c\/strong\u003e Solution: pack less and lift less far. A partly filled bottle is a perfectly normal way to use the GRAV Medium Gravitron.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProblem: glass grinding against glass at the base.\u003c\/strong\u003e Solution: check the silicone grommet is seated. It exists to keep those surfaces apart.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a broader walk-through of how to judge glass thickness and construction before buying, read our guide on \u003ca href=\"\/blogs\/news\/how-to-select-the-best-products-from-a-premium-smoke-shop\" title=\"How to select the best products from a premium smoke shop\"\u003ehow to select the best products from a premium smoke shop\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Fill the base halfway, lift and light together, stop before the bottle clears the water, and lower it to take the hit.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 11. COMPARISON TABLE --\u003e\n\u003ch3\u003e⚖️ Comparison Table\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePiece\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003eJoint\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eGRAV Medium Gravitron\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eGravity bong, 9\"\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e14mm\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSolo or two, common bowl size\u003c\/td\u003e\n      \u003ctd\u003e$79.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/grav-large-gravitron\" title=\"GRAV Large Gravitron\"\u003eGRAV Large Gravitron\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003eGravity bong, 11\"\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e19mm\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eGroups, maximum hit\u003c\/td\u003e\n      \u003ctd\u003e$99.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/big-fun-sublime-gravity-bong\" title=\"BigFun Sublime Gravity Bong\"\u003eBigFun! Sublime Gravity Bong\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003eGravity bong, 9\"\u003c\/td\u003e\n      \u003ctd\u003e14mm\u003c\/td\u003e\n      \u003ctd\u003eHandmade pop-art alternative\u003c\/td\u003e\n      \u003ctd\u003e$79.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/grav-medium-round-base-bong\" title=\"GRAV Medium Round Base Bong\"\u003eGRAV Medium Round Base Bong\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003eConventional bong\u003c\/td\u003e\n      \u003ctd\u003e14mm\u003c\/td\u003e\n      \u003ctd\u003eEveryday, controllable hits\u003c\/td\u003e\n      \u003ctd\u003e$119.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/grav-coil-showerhead-water-pipe\" title=\"GRAV Coil Showerhead Water Pipe\"\u003eGRAV Coil Showerhead Water Pipe\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003ePercolated bong\u003c\/td\u003e\n      \u003ctd\u003e14mm\u003c\/td\u003e\n      \u003ctd\u003eMaximum smoothness\u003c\/td\u003e\n      \u003ctd\u003e$199.99\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eHow to read this table.\u003c\/strong\u003e The first three are gravity bongs and the last two are conventional ones — different jobs, not competing products. Within the Gravitrons, the choice is size and joint: the GRAV Medium Gravitron is $20 cheaper, gives a dose suited to one or two people, and takes the \u003cstrong\u003ecommon 14mm\u003c\/strong\u003e bowl, while the Large is bigger, louder and takes a 19mm bowl you will need to buy separately. For most people the Medium is the more practical of the two.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron is the practical Gravitron — smaller dose, lower price, and the standard 14mm joint.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 12. LLM-OPTIMIZED Q\u0026A --\u003e\n\u003ch3\u003e💬 Common Questions \u0026amp; Answers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does a gravity bong actually work?\u003c\/strong\u003e\u003cbr\u003e\nPhysics rather than lung power. A glass bottle sits in a base of water. Lifting the bottle leaves a partial vacuum behind it, and the only path for air to fill that space is through the lit bowl at the neck — so the flower burns and the bottle fills with smoke while you simply lift. Then you remove the bowl, put your mouth over the neck, and push the bottle back down. The descending bottle compresses the smoke and delivers it. With the GRAV Medium Gravitron you receive the hit rather than inhaling it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the Medium and the Large Gravitron?\u003c\/strong\u003e\u003cbr\u003e\nSize and joint. The GRAV Medium Gravitron is 9\" with a \u003cstrong\u003e14mm\u003c\/strong\u003e joint at $79.99; the Large is bigger, at $99.99, with a \u003cstrong\u003e19mm\u003c\/strong\u003e joint. The 14mm difference is the practical one — 14mm is the most common joint size in the category, so most bowls already fit the Medium, while 19mm is uncommon and usually means buying a dedicated bowl. Slides do not swap between the two Gravitrons. Choose the Medium for personal use and the Large for groups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill my existing bowl fit?\u003c\/strong\u003e\u003cbr\u003e\nIf it is 14mm male, yes. GRAV describe the joint on the GRAV Medium Gravitron as a standardised 14mm that works with any 14mm male bowl, and that is the most widely produced size — most bongs sold use it. At Angies Boutique three 14mm bowls are in stock: the GRAV Cup Bowl at $9.99, the GRAV Octobowl at $11.99 with a built-in glass screen, and the GRAV 14mm Caldera Bowl at $14.99 with a raised rim.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is it more efficient than a normal bong?\u003c\/strong\u003e\u003cbr\u003e\nBecause it is a closed system. On a conventional bong the flower keeps smouldering between your pulls and that smoke drifts into the room — you paid for it and never inhaled it. The GRAV Medium Gravitron traps everything the bowl produces inside the bottle and holds it there until you are ready. Nothing escapes. That is why gravity bongs get noticeably more out of the same amount of flower than most other formats.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the one mistake people make?\u003c\/strong\u003e\u003cbr\u003e\nLifting the bottle too far. If the bottom of the bottle clears the waterline the seal breaks and the entire volume of smoke escapes at once. Lift steadily and stop while the bottle is still sitting in the water — that is the only real technique in operating the GRAV Medium Gravitron, and everybody gets it wrong exactly once. The second mistake is over-filling the base, which then overflows when the bottle comes back down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a good first gravity bong?\u003c\/strong\u003e\u003cbr\u003e\nYes, and it is the one to start with rather than the Large. The dose from a medium bottle is substantial but judgeable, the 14mm joint means you probably will not need to buy a bowl, and at $79.99 it is $20 less than the Large. GRAV size the GRAV Medium Gravitron for personal use or sharing with a friend or two, which is an honest description. If it turns out you want more, the Large Gravitron is the step up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow hard is it to clean?\u003c\/strong\u003e\u003cbr\u003e\nEasier than most of the GRAV range. There is no percolator, no downstem, no slots and no coil — just two pieces of straight-sided glass. Separate the bottle from the base, wash both with isopropyl alcohol and coarse salt, and everything is reachable with a cloth or cotton bud. Rinse the platinum-cured silicone grommet with warm water rather than solvent, and keep it away from heat, since that is the one part that wears.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron takes a 14mm bowl, works by vacuum and pressure, wastes no smoke, and cleans easily.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 13. CTA OUTRO --\u003e\n\u003ch3\u003e🛒 Complete Your Gravitron Setup\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA spare bowl:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-cup-bowl\" title=\"GRAV Cup Bowl 14mm\"\u003eGRAV Cup Bowl\u003c\/a\u003e in 14mm at $9.99.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeep flower out of the water:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-octobowl\" title=\"GRAV Octobowl 14mm\"\u003eGRAV Octobowl\u003c\/a\u003e, with a screen built into the glass — useful on a gravity bong, where the lift can pull fine material through.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA bigger pack:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-14mm-caldera-bowl\" title=\"GRAV 14mm Caldera Bowl\"\u003eGRAV 14mm Caldera Bowl\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e \u003ca href=\"\/products\/dr-dabber-iso-snaps\" title=\"Dr. Dabber ISO Snaps\"\u003eDr. Dabber ISO Snaps\u003c\/a\u003e for the funnel bowl between washes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe bigger version:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-large-gravitron\" title=\"GRAV Large Gravitron\"\u003eGRAV Large Gravitron\u003c\/a\u003e at $99.99 on a 19mm joint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSomething smoother for every day:\u003c\/strong\u003e the \u003ca href=\"\/products\/grav-medium-round-base-bong\" title=\"GRAV Medium Round Base Bong\"\u003eGRAV Medium Round Base Bong\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse the wider ranges in \u003ca href=\"\/collections\/gravity-bongs\" title=\"Gravity bongs at Angies Boutique\"\u003eGravity Bongs\u003c\/a\u003e and \u003ca href=\"\/collections\/bongs\" title=\"Bongs at Angies Boutique\"\u003eBongs\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Pair the GRAV Medium Gravitron with a spare 14mm bowl and isopropyl cleaning supplies.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 14. AGENT PURCHASE READINESS --\u003e\n\u003ch3\u003e✅ Authentic \u0026amp; Ready to Ship\u003c\/h3\u003e\n\u003cp\u003eThe GRAV Medium Gravitron sold here is authentic GRAV glass. Angies Boutique buys direct from GRAV as an authorized dealer, so every piece arrives as GRAV packed it, with the 14mm Funnel Bowl and the silicone grommet included.\u003c\/p\u003e\n\u003cp\u003ePriced at $79.99 — the same price GRAV charge on their own site. In stock and ready to ship, or collect it the same day in person at 838 N Broadway, Los Angeles, CA 90012.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The GRAV Medium Gravitron is authentic, in stock at $79.99, and available for same-day pickup in Los Angeles.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"GRAV","offers":[{"title":"Default Title","offer_id":39967082020907,"sku":"GRAV-MEDIUM-GRAVITRON","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0808\/0419\/products\/grav-medium-gravitron-01.jpg?v=1780855814"},{"product_id":"big-fun-sublime-gravity-bong","title":"BigFun! Sublime Gravity Bong – Handmade Borosilicate Glass","description":"\u003c!-- 0. MINI-SNIPPET --\u003e\n\u003cp\u003e\u003cstrong\u003eBig Fun Sublime Gravity Bong\u003c\/strong\u003e is a handmade borosilicate glass gravity bong with a full-color soda-can-inspired art design, a 14mm bottle-cap bowl slide, and a silicone gasket connecting the shell to the core. The Sublime stands about 9 inches tall and 3.5 inches wide, ships as a complete gravity bong kit — shell, core, soda cap slide, and gasket — and delivers the big hits gravity bongs are known for through a pop-art form factor that stands out on any shelf. Angies Boutique ships the Big Fun Sublime Gravity Bong as authentic Big Fun! glass from our Los Angeles warehouse with same-day pickup at 838 N Broadway.\u003c\/p\u003e\n\n\u003c!-- 1. AT-A-GLANCE DECISION SUMMARY --\u003e\n\u003ch3\u003e⚡ At-a-Glance Decision Summary\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat it is:\u003c\/strong\u003e Handmade borosilicate glass gravity bong with a 14mm bottle-cap bowl, soda-can-inspired full-color design, and silicone gasket connection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhy choose it:\u003c\/strong\u003e Real gravity-bong airflow physics in a piece of pop-art glass — big hits, small footprint, no plastic bottle rig.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandout differentiator:\u003c\/strong\u003e Full-color soda-can artwork on a handmade borosilicate body — the Sublime is a display piece as much as a functional gravity bong.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfidence signal:\u003c\/strong\u003e Authentic Big Fun! borosilicate glass, authorized dealer, 14-day returns, fast same-day shipping from Angies Boutique.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- 2. OUR VERDICT --\u003e\n\u003ch3\u003e🧠 Our Verdict\u003c\/h3\u003e\n\u003cp\u003eThe Big Fun Sublime Gravity Bong is a strong recommendation if you want a real glass gravity bong with a statement-piece art design and a matching bottle-cap slide, all under $100.\u003c\/p\u003e\n\n\u003c!-- 3. QUICK SUMMARY (≤ 100 words) --\u003e\n\u003ch3\u003eQuick Summary\u003c\/h3\u003e\n\u003cp\u003eBig Fun! built the Sublime Gravity Bong for smokers who want the physics of a gravity bong without the plastic-bottle rig. Handmade from borosilicate glass and finished with a soda-can-inspired full-color design, the Sublime uses a shell-and-core setup connected by a silicone gasket. A 14mm bottle-cap bowl slides into the core to complete the pop-art aesthetic. The Sublime stands about 9 inches tall in a 3.5-inch diameter footprint and ships as a complete kit — shell, core, bowl slide, and gasket.\u003c\/p\u003e\n\n\u003c!-- 4. HERO INTRO --\u003e\n\u003ch2\u003eBig Fun Sublime Gravity Bong – Handmade Borosilicate Glass Gravity Bong\u003c\/h2\u003e\n\u003cp\u003eThe Big Fun Sublime Gravity Bong is for smokers who want a gravity bong that looks as good on a shelf as it hits in a session. Big Fun! hand-blows every Sublime from lab-grade borosilicate glass, then finishes it with a soda-can-inspired art design that reads like a piece of pop art rather than a functional accessory. The 14mm bottle-cap bowl slide continues the theme — even the load-in point matches the soda aesthetic.\u003c\/p\u003e\n\u003cp\u003eBrowse more glass in the \u003ca href=\"\/collections\/bongs\" title=\"Bongs at Angies Boutique\"\u003eBongs Collection\u003c\/a\u003e at Angies Boutique.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The Big Fun Sublime Gravity Bong brings handmade borosilicate glass and soda-can pop art to the gravity-bong category.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 5. WHO THIS PRODUCT IS FOR \/ NOT FOR --\u003e\n\u003ch3\u003e⭐ Who This Product Is For \/ Not For\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmokers who want the airflow physics of a gravity bong without a plastic bottle.\u003c\/li\u003e\n  \u003cli\u003eBig Fun! collectors adding a gravity bong to a kit that already has Pivot or Peak tops.\u003c\/li\u003e\n  \u003cli\u003eBuyers shopping for a display-worthy glass piece under $100.\u003c\/li\u003e\n  \u003cli\u003eAnyone who appreciates pop-art design on functional glassware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot Recommended For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuyers who want a traditional water bong with a downstem and perc — the Sublime is a gravity bong, which uses water displacement instead of percolation.\u003c\/li\u003e\n  \u003cli\u003eBeginners who have not used a gravity bong before — expect bigger hits than a straight-tube bong; start small.\u003c\/li\u003e\n  \u003cli\u003eTravelers — the Sublime is a hand-blown glass piece with multiple components and is meant to stay on the shelf.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- 6. KNOWN LIMITATIONS --\u003e\n\u003ch3\u003e⚠️ Known Limitations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard glass care applies — no cold water on hot glass, no drops onto hard surfaces, and empty the water when the piece is off the shelf.\u003c\/li\u003e\n  \u003cli\u003eThe silicone gasket wears over time and is the first replacement part on any gravity bong of this style.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Treat the Sublime like the handmade glass it is; expect the gasket to be the first serviceable part.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 7. FEATURES \u0026 BENEFITS --\u003e\n\u003ch3\u003e🔹 Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandmade borosilicate glass:\u003c\/strong\u003e Hand-blown by Big Fun! in lab-grade borosilicate — resists thermal shock and won't scorch on hot loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-color soda-can design:\u003c\/strong\u003e Pop-art artwork wraps the shell in the Sublime colorway — reads like a display piece.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14mm bottle-cap bowl slide:\u003c\/strong\u003e Included bowl continues the soda theme and drops into the 14mm joint on the core.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilicone gasket connection:\u003c\/strong\u003e Shell and core join with a silicone gasket for an airtight seal that separates easily for cleaning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e~9-inch tall footprint:\u003c\/strong\u003e Compact for a gravity bong — fits on most shelves without taking over the setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Ships with shell, core, bowl slide, and gasket — nothing else to source before the first session.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Handmade borosilicate, soda-can art, and a complete kit — everything the Big Fun Sublime Gravity Bong needs on day one.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 8. COMPATIBILITY \u0026 REQUIREMENTS --\u003e\n\u003ch3\u003e🔌 Compatibility \u0026amp; Requirements\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBowl fitting:\u003c\/strong\u003e 14mm joint. Compatible with standard 14mm slides; the included bottle-cap slide matches the soda theme.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Standard flame from any lighter — cigarette, BBQ, or torch lighter all work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory-spec:\u003c\/strong\u003e Authentic Big Fun! handmade borosilicate glass. Approximately 9\" tall × 3.5\" wide.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShips with:\u003c\/strong\u003e Shell, core, 14mm bottle-cap slide, silicone gasket.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRequired for use:\u003c\/strong\u003e Cold water and a source of flame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- 9. HOW TO USE --\u003e\n\u003ch3\u003e🛠️ How to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eAssemble the Big Fun Sublime Gravity Bong: seat the core inside the shell with the silicone gasket forming the seal.\u003c\/li\u003e\n  \u003cli\u003eFill the shell with cold water to the level that submerges the base of the core.\u003c\/li\u003e\n  \u003cli\u003eLoad the 14mm bottle-cap bowl slide with your material and seat it in the core's joint.\u003c\/li\u003e\n  \u003cli\u003eLight the bowl while slowly lifting the core out of the shell — the vacuum pulls smoke into the core.\u003c\/li\u003e\n  \u003cli\u003eRemove the bowl slide, cap the core with your mouth, and push the core down to force the smoke out and into your lungs.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eFor more on picking the right glass, read our \u003ca href=\"\/blogs\/guides\/nwtn-deco-collection-bong-bubbler-glass-bowls\" title=\"NWTN Deco Collection Guide – Angies Boutique\"\u003eNWTN Deco Collection Guide\u003c\/a\u003e for context on hand-blown glass craftsmanship.\u003c\/p\u003e\n\n\u003c!-- 10. CARE \u0026 MAINTENANCE --\u003e\n\u003ch3\u003e🧴 Care \u0026amp; Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEmpty the water reservoir after every session — sitting water leaves mineral rings that dull the artwork behind the glass.\u003c\/li\u003e\n  \u003cli\u003eRinse the shell and core with warm water. For stuck resin, soak in isopropyl alcohol with coarse salt for a few minutes, then rinse. \u003ca href=\"\/products\/dr-dabber-iso-snaps\" title=\"Dr. Dabber Iso-Snaps – Angies Boutique\"\u003eDr. Dabber Iso-Snaps\u003c\/a\u003e handle quick spot cleans on the bowl slide.\u003c\/li\u003e\n  \u003cli\u003eReplace the silicone gasket if the seal starts to leak — it is the wear part on the assembly.\u003c\/li\u003e\n  \u003cli\u003eStore the Sublime assembled and upright on a flat surface, out of reach of drops and pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Empty water after sessions, IPA-soak for resin, replace the gasket when the seal weakens.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 11. COMPARISON TABLE --\u003e\n\u003ch3\u003e📊 Comparison\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eBowl\u003c\/th\u003e\n\u003cth\u003ePrice tier\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBig Fun Sublime Gravity Bong\u003c\/td\u003e\n\u003ctd\u003eGravity bong (glass)\u003c\/td\u003e\n\u003ctd\u003e14mm bottle-cap slide\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003ctd\u003eStatement-piece gravity bong with pop-art design\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStandard glass straight-tube bong\u003c\/td\u003e\n\u003ctd\u003eWater bong (percolator)\u003c\/td\u003e\n\u003ctd\u003e14mm slide\u003c\/td\u003e\n\u003ctd\u003e$40–$200\u003c\/td\u003e\n\u003ctd\u003ePercolator filtration, everyday use\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePlastic-bottle DIY gravity rig\u003c\/td\u003e\n\u003ctd\u003eGravity bong (plastic)\u003c\/td\u003e\n\u003ctd\u003eFoil \/ makeshift\u003c\/td\u003e\n\u003ctd\u003eFree\u003c\/td\u003e\n\u003ctd\u003eImprovised only — no reusable value\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The Sublime sits at the top of the entry gravity-bong tier — real borosilicate glass, complete kit, and a design worth displaying.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 12. COMMON QUESTIONS \u0026 ANSWERS --\u003e\n\u003ch3\u003e💬 Common Questions \u0026amp; Answers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the Big Fun Sublime Gravity Bong?\u003c\/strong\u003e\u003cbr\u003e\nA: The Big Fun Sublime Gravity Bong is a handmade borosilicate glass gravity bong featuring a full-color soda-can-inspired art design, a 14mm bottle-cap bowl slide, and a silicone gasket that seals the shell and core. The Sublime stands about 9 inches tall in a 3.5-inch diameter footprint and delivers the big hits gravity bongs are known for through water-displacement airflow rather than percolator filtration. Ships as a complete kit — shell, core, bowl slide, and gasket. Handmade in borosilicate, not press-molded plastic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a gravity bong differ from a regular water bong?\u003c\/strong\u003e\u003cbr\u003e\nA: A regular water bong pulls smoke through water via a downstem and percolator, filtering and cooling the vapor before it reaches the mouthpiece. A gravity bong — like the Big Fun Sublime Gravity Bong — uses water displacement instead: as you lift the core out of the water-filled shell, the vacuum pulls smoke into the core, and pushing the core back down forces that smoke out into your lungs. Gravity bongs deliver larger, more concentrated hits than percolator bongs. Start small if you are new to the format.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What size joint does the Big Fun Sublime Gravity Bong use?\u003c\/strong\u003e\u003cbr\u003e\nA: The Big Fun Sublime Gravity Bong uses a 14mm joint on the core. The included bottle-cap bowl slide is a 14mm fitting sized specifically for the Sublime, and any standard 14mm bowl slide will also fit the joint if you want to swap the bowl. If you are already stocked on 14mm slides from other bongs, they will work with the Sublime — though the included bottle-cap slide is the piece that matches the soda-can artwork.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean the Big Fun Sublime Gravity Bong?\u003c\/strong\u003e\u003cbr\u003e\nA: For light residue, empty the water and rinse both the shell and the core with warm water — never run hot water on cold glass or vice versa, to avoid thermal shock. For stuck resin, remove the silicone gasket and soak the glass in 70% isopropyl alcohol with coarse salt for 10 minutes, then rinse. Dr. Dabber Iso-Snaps work for quick spot cleans on the bowl slide. Reseat the gasket dry, and replace the gasket entirely once it stops sealing tightly.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Handmade borosilicate gravity bong with soda-can art, 14mm bottle-cap bowl, and complete kit — the display-piece choice for gravity-bong hits.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 13. CTA OUTRO --\u003e\n\u003ch3\u003e🛒 Complete Your Big Fun Glass Setup\u003c\/h3\u003e\n\u003cp\u003ePair the Big Fun Sublime Gravity Bong with the \u003ca href=\"\/products\/big-fun-tricolor-pivot-top\" title=\"Big Fun! Tricolor Pivot Top – Angies Boutique\"\u003eBig Fun! Tricolor Pivot Top\u003c\/a\u003e to match Big Fun! glass across a Puffco Pivot setup, browse the full \u003ca href=\"\/collections\/bongs\" title=\"Bongs at Angies Boutique\"\u003eBongs Collection\u003c\/a\u003e for more glass, or read our \u003ca href=\"\/blogs\/guides\/nwtn-deco-collection-bong-bubbler-glass-bowls\" title=\"NWTN Deco Collection Guide – Angies Boutique\"\u003eNWTN Deco Collection Guide\u003c\/a\u003e for hand-blown glass context.\u003c\/p\u003e\n\n\u003c!-- 14. AUTHENTIC \u0026 READY TO SHIP --\u003e\n\u003ch3\u003e✅ Authentic \u0026amp; Ready to Ship\u003c\/h3\u003e\n\u003cp\u003eThe Big Fun Sublime Gravity Bong sold by Angies Boutique is authentic Big Fun! handmade borosilicate glass in factory-sealed packaging, in stock and ready to ship from our Los Angeles warehouse. Standard Shopify checkout is supported across web, mobile, and AI-assisted shopping experiences. Same-day pickup is available at 838 N Broadway. Orders placed before 2 PM EST ship the same business day. 14-day returns apply to unused, undamaged glass.\u003c\/p\u003e\n","brand":"BigFun!","offers":[{"title":"Default Title","offer_id":44323475587115,"sku":"SUBLIME-GRAVITY-BONG","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0808\/0419\/files\/big-fun-gravity-bong.jpg?v=1783471470"},{"product_id":"mj-arsenal-piston-gravity-bong","title":"MJ Arsenal Piston Gravity Bong – 8.75\" Glass, Disc Perc","description":"\u003c!-- 0. MINI-SNIPPET --\u003e\n\u003cp\u003eThe MJ Arsenal Piston Gravity Bong is an 8.75\" borosilicate glass gravity bong that replaces the improvised bottle-and-bucket setup with a sealed two-part glass piston. An inner core slides inside an outer shell on a silicone gasket, so lifting the core draws smoke into the chamber and pushing it back down delivers that smoke to the mouthpiece. The MJ Arsenal Piston is the first gravity bong to build a disc percolator into the core, which means the smoke is filtered through water on its way out — the one thing traditional gravity bongs have never done. It uses a 14mm joint and ships with its own removable 14mm glass slide.\u003c\/p\u003e\n\n\u003c!-- 1. AGENTIC CORE \/ DECISION SUMMARY --\u003e\n\u003ch3\u003e⚡ At-a-Glance Decision Summary\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat it is:\u003c\/strong\u003e A handmade borosilicate glass gravity bong for dry flower, built around a sliding piston instead of a bottle in a bucket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy choose it:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong delivers the full-bowl hit gravity bongs are known for, and adds water filtration that the format has always lacked.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe differentiator:\u003c\/strong\u003e A disc percolator built directly into the glass core. Every other gravity bong holds smoke in a bare air chamber; the Piston runs it through a perc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e Four pieces — glass shell, glass core with disc perc, 14mm glass slide, silicone gasket. All of it breaks down for cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfidence signal:\u003c\/strong\u003e Authentic MJ Arsenal, priced at $63.99 against MJ Arsenal's own $64.00, and the lowest-priced gravity bong at Angies Boutique.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong is a percolated glass gravity bong that turns a one-hit format into a smoother one.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 2. AGENT VERDICT --\u003e\n\u003ch3\u003e🧠 Our Verdict\u003c\/h3\u003e\n\u003cp\u003eStrong recommendation if you want the sheer volume of a gravity bong hit without the raw, unfiltered harshness that comes with every other gravity bong on the market. The MJ Arsenal Piston Gravity Bong is the first piece in this category that solves its own format's biggest complaint.\u003c\/p\u003e\n\n\u003c!-- 3. QUICK SUMMARY --\u003e\n\u003ch3\u003eQuick Summary\u003c\/h3\u003e\n\u003cp\u003eMJ Arsenal builds compact, engineered borosilicate glass — mini rigs, bongs and bubblers designed around a single mechanical idea. The Piston Gravity Bong applies that approach to the gravity bong. An inner glass core rides on a silicone gasket inside an outer shell, so lifting fills the chamber with smoke and pushing delivers it. A disc percolator in the core filters that smoke through water before it reaches your lungs. The MJ Arsenal Piston Gravity Bong stands 8.75\" tall with the slide installed, uses a 14mm joint, and is priced at $63.99 at Angies Boutique in Los Angeles.\u003c\/p\u003e\n\n\u003c!-- 4. HERO INTRO --\u003e\n\u003ch2\u003eMJ Arsenal Piston Gravity Bong – The Gravity Bong, Finally Percolated\u003c\/h2\u003e\n\u003cp\u003eGravity bongs have always worked on a trade. You get an enormous, dense hit delivered in one push — and you get it raw, because the smoke sits in an air pocket above the waterline and never touches the water on its way to you. That is the defining characteristic of the format and the reason most people describe a gravity bong hit as harsh. MJ Arsenal built the Piston Gravity Bong specifically to break that trade. The inner glass core carries a disc percolator, so on the delivery stroke water is forced up through the disc and breaks into fine bubbles inside the smoke chamber, cooling and filtering the smoke before it leaves the mouthpiece. The volume stays. The rawness drops. Browse the full \u003ca href=\"\/collections\/mj-arsenal\" title=\"Browse all MJ Arsenal glass, mini rigs and accessories at Angies Boutique\"\u003eMJ Arsenal Collection\u003c\/a\u003e at Angies Boutique to see how the brand approaches the rest of its glass.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong keeps the full-bowl gravity hit and adds the water filtration the format was missing.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 5. AGENT FILTER BLOCK --\u003e\n\u003ch3\u003e⭐ Who This Product Is For \/ Not For\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlower smokers who want a large, fast, full-bowl hit rather than a long session of small pulls.\u003c\/li\u003e\n\u003cli\u003eAnyone who has used a homemade bottle gravity bong and wants a permanent glass version that does not leak, stain or smell like plastic.\u003c\/li\u003e\n\u003cli\u003eBuyers entering the gravity bong category for the first time — the MJ Arsenal Piston Gravity Bong is the least expensive gravity bong at Angies Boutique.\u003c\/li\u003e\n\u003cli\u003ePeople who found previous gravity bongs too harsh and assumed that was simply how the format works.\u003c\/li\u003e\n\u003cli\u003eCollectors of MJ Arsenal glass who want the mechanical, engineered look on a full-size piece.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot Recommended For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAnyone who wants a slow, sippable session piece. A gravity bong clears an entire bowl in one delivery.\u003c\/li\u003e\n\u003cli\u003eTravel and outdoor use. The MJ Arsenal Piston Gravity Bong holds water and separates into four pieces.\u003c\/li\u003e\n\u003cli\u003eConcentrate users who do not already own a 14mm dab nail — the included slide is a flower bowl.\u003c\/li\u003e\n\u003cli\u003eBuyers with an existing 10mm or 19mm accessory collection. This piece is 14mm only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong suits flower smokers who want one large filtered hit, not a drawn-out session.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 6. KNOWN LIMITATIONS --\u003e\n\u003ch3\u003e⚠️ Known Limitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA gravity bong is a one-and-done delivery.\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong fills its chamber with an entire bowl and hands it to you in a single push. Pack accordingly — a full bowl is a large dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe silicone gasket is a wear part.\u003c\/strong\u003e That gasket is what seals the core against the shell and makes the piston action work. A stretched or torn gasket kills the seal and the piece stops functioning as a gravity bong until it is replaced.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe 14mm slide is glass and breakable.\u003c\/strong\u003e MJ Arsenal sells the Piston Flower Bowl separately for exactly this reason. Treat the slide as a consumable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIt is not a quiet or discreet piece.\u003c\/strong\u003e The Piston bubbles audibly through the disc perc on every delivery stroke.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater level matters more here than on a standard bong.\u003c\/strong\u003e Overfill and water rides into the mouthpiece; underfill and the piston loses its seal against the water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong asks for correct water level, careful handling of the slide, and an eye on the gasket.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 7. FEATURES \u0026 BENEFITS --\u003e\n\u003ch3\u003e⚙️ Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc percolator built into the core\u003c\/strong\u003e — the first gravity bong to filter its smoke through water. This is the entire reason the MJ Arsenal Piston Gravity Bong exists, and it is what separates it from every bucket-style gravity bong.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed glass piston action\u003c\/strong\u003e — the inner core rides on a silicone gasket inside the outer shell, so the draw and the delivery are controlled by hand rather than by how fast you can yank a bottle out of a bucket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% borosilicate glass, handmade\u003c\/strong\u003e — the same lab-grade stock MJ Arsenal uses across its mini rigs. Borosilicate handles rapid temperature change and repeated isopropyl cleaning without clouding or cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable 14mm glass slide\u003c\/strong\u003e — the bowl pulls out completely, which is required for the delivery stroke and makes the piece easy to clear and clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully modular\u003c\/strong\u003e — shell, core, slide and gasket all separate. No fixed downstem, no trapped chamber, nothing you cannot reach with a brush.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat, wide base\u003c\/strong\u003e — 3.5\" across the shell, so the MJ Arsenal Piston Gravity Bong sits stable on a table while it is full of water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrate-capable\u003c\/strong\u003e — swap the flower slide for a 14mm dab nail and the same chamber and perc work for concentrates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Percolated smoke, sealed piston action and full modularity are what the MJ Arsenal Piston Gravity Bong delivers over a bottle-and-bucket setup.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 8. STRUCTURED SPECS --\u003e\n\u003ch3\u003e📐 Structured Specs\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMJ Arsenal Piston Gravity Bong\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMJ Arsenal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGravity bong \/ water pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% borosilicate glass, handmade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.75\" with the 14mm slide installed · 7.75\" without\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJoint size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePercolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDisc percolator, integrated into the glass core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSliding piston core sealed by a silicone gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDry flower — concentrate-capable with a 14mm nail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIn the box\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × glass shell · 1 × glass core with disc perc · 1 × 14mm glass slide · 1 × silicone gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice at Angies Boutique\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e$63.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong measures 8.75\" with the slide, runs a 14mm joint, and arrives as four separable borosilicate and silicone parts.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 9. COMPATIBILITY \u0026 REQUIREMENTS --\u003e\n\u003ch3\u003e🔌 Compatibility \u0026amp; Requirements\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe included MJ Arsenal 14mm glass slide, and any 14mm male flower bowl as a replacement.\u003c\/li\u003e\n\u003cli\u003eAny 14mm male quartz banger or dab nail, which converts the MJ Arsenal Piston Gravity Bong to concentrates.\u003c\/li\u003e\n\u003cli\u003eStandard glass cleaning solutions and isopropyl alcohol — remove the silicone gasket before a long soak.\u003c\/li\u003e\n\u003cli\u003ePlain water. The chamber is sized for water only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNOT compatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10mm or 19mm accessories. The MJ Arsenal Piston Gravity Bong is 14mm only, so a 10mm Cache Bowl or a 19mm Gravitron downstem does not fit.\u003c\/li\u003e\n\u003cli\u003eFemale-joint accessories. The joint on the core accepts a male slide.\u003c\/li\u003e\n\u003cli\u003eElectronic heating attachments, e-nails and e-rig tops. This is a torch-and-lighter piece with no electronics.\u003c\/li\u003e\n\u003cli\u003eIce. There is no ice pinch, and the piston needs clear travel inside the shell.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong takes any 14mm male bowl or nail and nothing in 10mm or 19mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 10. HOW TO USE \u0026 TROUBLESHOOTING --\u003e\n\u003ch3\u003e🧼 How to Use \u0026amp; Troubleshooting\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUsing the MJ Arsenal Piston Gravity Bong:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eFill the outer shell with water. Add enough that the core is submerged when lowered, and leave room for the water the core displaces on the way down.\u003c\/li\u003e\n\u003cli\u003eSeat the core inside the shell with the silicone gasket in place, pushed down so it rests near the bottom of its travel.\u003c\/li\u003e\n\u003cli\u003eInsert the 14mm slide and pack the bowl loosely and evenly. A loose, even pack burns completely as the core rises. Grind consistency does most of the work here — our \u003ca href=\"\/blogs\/news\/how-to-clean-herb-grinder\" title=\"Read our herb grinder cleaning and maintenance guide at Angies Boutique\"\u003eherb grinder cleaning and maintenance guide\u003c\/a\u003e covers keeping a grinder cutting evenly enough to pack a bowl that burns clean.\u003c\/li\u003e\n\u003cli\u003eLight the bowl and lift the core slowly. The rising core draws the smoke down into the chamber. Stop before the core clears the waterline.\u003c\/li\u003e\n\u003cli\u003ePull the 14mm slide out of the joint and set it aside.\u003c\/li\u003e\n\u003cli\u003ePut your mouth over the open joint and push the core back down. Water rises through the disc perc, bubbles through the smoke, and the filtered smoke leaves the mouthpiece. Inhale steadily rather than hard.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProblem: the core does not hold suction and no smoke collects.\u003c\/strong\u003e Solution: check that the silicone gasket is seated fully and undamaged. A gasket that has slipped out of its groove or torn will not seal, and the piston action stops working.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProblem: water comes up into the mouthpiece.\u003c\/strong\u003e Solution: pour some out. The chamber is overfilled, so the displaced water has nowhere to go on the delivery stroke.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProblem: the bowl does not burn all the way down as the core rises.\u003c\/strong\u003e Solution: lift more slowly and pack looser. Lifting fast pulls air past the herb instead of through it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProblem: the hit is harsh even with the perc.\u003c\/strong\u003e Solution: raise the water level slightly so the disc perc is fully submerged on the delivery stroke, and inhale more slowly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProblem: the core sticks or drags inside the shell.\u003c\/strong\u003e Solution: clean the resin off the gasket and the inner wall of the shell. Resin build-up on the gasket is what makes a smooth piston start to grab.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e break the MJ Arsenal Piston Gravity Bong down into all four pieces. Soak the glass in isopropyl alcohol with coarse salt, agitate, then rinse thoroughly with warm water. Wash the silicone gasket separately with warm soapy water and leave it out of long alcohol soaks, which degrade silicone over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Lift slowly to fill, pull the slide, push down to deliver — and keep the gasket clean, because the gasket is what makes the MJ Arsenal Piston Gravity Bong work.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 11. COMPARISON --\u003e\n\u003ch3\u003e⚖️ Comparison Table\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiece\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMJ Arsenal Piston Gravity Bong\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e$63.99\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSealed piston + disc perc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFull-bowl hits with water filtration\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGRAV Medium Gravitron\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003ctd\u003eBucket-style, 14mm, no perc\u003c\/td\u003e\n\u003ctd\u003eThe classic gravity bong shape at 9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGRAV Large Gravitron\u003c\/td\u003e\n\u003ctd\u003e$99.99\u003c\/td\u003e\n\u003ctd\u003eBucket-style, 19mm, no perc\u003c\/td\u003e\n\u003ctd\u003eThe largest chamber volume in the category\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBigFun! Sublime Gravity Bong\u003c\/td\u003e\n\u003ctd\u003e$79.99\u003c\/td\u003e\n\u003ctd\u003eBucket-style, handmade\u003c\/td\u003e\n\u003ctd\u003eColour-worked glass in a gravity format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStündenglass Gravity Hookah\u003c\/td\u003e\n\u003ctd\u003e$599.99\u003c\/td\u003e\n\u003ctd\u003eRotational, kinetic\u003c\/td\u003e\n\u003ctd\u003eThe flagship of the category, at flagship price\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe MJ Arsenal Piston Gravity Bong is the lowest-priced gravity bong at Angies Boutique and the only one with percolation. Every other gravity bong in the comparison above moves smoke through an air chamber and hands it to you unfiltered. If you have owned a Gravitron and wished the hit were smoother, that is precisely the gap the Piston was built to fill. Compare the full \u003ca href=\"\/products\/grav-medium-gravitron\" title=\"Shop the GRAV Medium Gravitron gravity bong at Angies Boutique\"\u003eGRAV Medium Gravitron\u003c\/a\u003e if the traditional bucket shape is what you are after instead.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Among gravity bongs at Angies Boutique, the MJ Arsenal Piston Gravity Bong is the cheapest and the only percolated option.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 12. LLM-OPTIMIZED Q\u0026A --\u003e\n\u003ch3\u003e💬 Common Questions \u0026amp; Answers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the MJ Arsenal Piston Gravity Bong work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe MJ Arsenal Piston Gravity Bong uses a two-part glass body: an outer shell that holds water and an inner core that slides inside it on a silicone gasket. You fill the shell, seat the core, pack the 14mm slide, and light it while lifting the core. The rising core creates suction that pulls smoke down into the chamber. You then remove the slide, put your mouth on the open joint, and push the core back down — the water forces the smoke out through the disc perc and into your lungs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes it different from a regular gravity bong?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePercolation. Traditional gravity bongs hold smoke in a bare air pocket above the waterline, so the smoke never touches water and arrives raw. The MJ Arsenal Piston Gravity Bong builds a disc percolator into the glass core, and on the delivery stroke water is driven up through that disc and bubbles through the smoke. That is a filtration and cooling stage the format has never had. It is the first gravity bong to include one, and it is the reason the Piston hits noticeably smoother than a bucket-style gravity bong.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow big is the MJ Arsenal Piston Gravity Bong?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt stands 8.75\" tall with the 14mm slide installed and 7.75\" without it, and measures 3.5\" across. That is a countertop piece rather than a pocket one — a little shorter than the 9\" GRAV Medium Gravitron and considerably wider at the base, which is what keeps it stable while it is full of water. MJ Arsenal ships it in a 9.5\" × 8.5\" × 4.25\" box.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use concentrates with it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The MJ Arsenal Piston Gravity Bong uses a 14mm joint, so a 14mm male quartz banger or dab nail drops straight in where the flower slide goes. The included slide is a flower bowl, so a nail is a separate purchase. Do not attempt concentrates in the flower slide — a flower bowl has a wide open hole and the concentrate runs down into the chamber instead of vaporising.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it hard to clean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The MJ Arsenal Piston Gravity Bong separates completely into four pieces — shell, core, slide and gasket — so every surface is reachable. Soak the three glass parts in isopropyl alcohol with coarse salt, agitate, and rinse. Wash the silicone gasket separately in warm soapy water and keep it out of long alcohol soaks, because extended alcohol contact degrades silicone. Clean the gasket and the inside wall of the shell regularly; resin there is what makes the piston start to drag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the MJ Arsenal Piston Gravity Bong good for beginners?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe mechanism is beginner-friendly — lift, pull the slide, push. The dose is not. A gravity bong delivers an entire bowl in one push, so a new smoker who packs a full bowl gets a very large hit. Anyone starting out with the MJ Arsenal Piston Gravity Bong should pack a partial bowl for the first several sessions and inhale slowly rather than hard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the silicone gasket for, and does it need replacing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe silicone gasket seals the inner core against the outer shell. That seal is what allows the core to build suction on the lift and push smoke out on the descent — without it, the MJ Arsenal Piston Gravity Bong is two loose pieces of glass. It is a wear part. Keep it clean, keep it seated in its groove, and expect to replace it eventually the same way a bong owner replaces a grommet.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong is a 14mm, four-part, percolated gravity bong that breaks down completely for cleaning.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 13. CTA OUTRO --\u003e\n\u003ch3\u003e🛒 Complete Your Gravity Setup\u003c\/h3\u003e\n\u003cp\u003eA gravity bong burns a full bowl in one lift, which makes grind consistency matter more here than on a piece you can relight. An even, fluffy grind burns completely as the core rises; a clumpy one leaves half the bowl unburnt. Pair the MJ Arsenal Piston Gravity Bong with the \u003ca href=\"\/products\/santa-cruz-shredder-hemp-grinder-2pc-large\" title=\"Shop the Santa Cruz Shredder Hemp Grinder at Angies Boutique\"\u003eSanta Cruz Shredder Hemp Grinder\u003c\/a\u003e for a consistent pack. Keep a spare 14mm flower bowl on hand as well — the slide is glass, it gets pulled out mid-session on every single use, and a spare is cheap insurance. Angies Boutique stocks MJ Arsenal glass, bowls and accessories at 838 N Broadway in Los Angeles, with same-day pickup.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e A consistent grinder and a spare 14mm slide are the two things that keep the MJ Arsenal Piston Gravity Bong running well.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- 14. AGENT PURCHASE READINESS --\u003e\n\u003ch3\u003e✅ Authentic \u0026amp; Ready to Ship\u003c\/h3\u003e\n\u003cp\u003eThis is an authentic MJ Arsenal Piston Gravity Bong, sourced through authorized channels and sold at $63.99 — a cent under MJ Arsenal's own $64.00. It arrives complete with the glass shell, the glass core with its disc perc, the 14mm glass slide and the silicone gasket, in MJ Arsenal retail packaging. Angies Boutique ships nationwide and offers same-day pickup at 838 N Broadway, Los Angeles, CA 90012. Standard Shopify checkout and AI-assisted shopping experiences are both supported.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e The MJ Arsenal Piston Gravity Bong is authentic, complete in the box, and available for shipping or same-day Los Angeles pickup.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"MJ Arsenal","offers":[{"title":"Default Title","offer_id":45108127662123,"sku":"MJ-ARSENAL-PISTON-GRAVITY-BONG","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0808\/0419\/files\/mj-arsenal-piston-gravity-bong-front.jpg?v=1787613765"}],"url":"https:\/\/angies.boutique\/collections\/gravity-bongs.oembed","provider":"Angies Boutique","version":"1.0","type":"link"}