The HEMPER That 70's Lamp XL Bong is a 10.5-inch glass water pipe styled like a lava lamp. The blue version pictured here has fixed blue glass shapes inside a clear tapered body, a frosted base and mouthpiece, and a removable 14 mm male flower bowl. HEMPER currently lists the Blue variant at $79.99, with stock available. Buyers can choose the exact color on HEMPER's site before checkout.
Despite the lamp-inspired silhouette, this is not an electric lamp and nothing inside melts or moves like heated wax. Its visual effect comes from colored glass and the way water and smoke move through the chamber. The hardware is a dual-percolator water pipe: an inline stage followed by the dome-shaped upper stage that HEMPER calls its lava dome. That combination is the core functional distinction from the smaller seven-inch model, which the maker describes with a single inline perc.
Exact dimensions and included part
HEMPER specifies a 10.5-inch height, 3.5-inch diameter, 5 mm glass thickness, and two percolation stages. The package list names one That 70's XL Bong and one 14 mm male-joint flower bowl. Those are the supplied pieces; a carrying case, ash catcher, banger, or cleaning kit is not listed. Check the current merchant page if a seller uses a bundle photograph because an accessory placed beside a product is not automatically part of the box.
The supplied bowl is intended for flower. The joint size describes the mating end of the removable bowl, so any replacement must fit the pipe's corresponding connection and its physical angle. The 14 mm number alone does not guarantee clearance for a large accessory beside the tapered body. If you plan to use a separate attachment, confirm the fit and weight with its maker before hanging it from the side of the glass.
The 3.5-inch diameter gives a useful idea of the pipe's tabletop footprint. At 10.5 inches high it is substantial enough to present as a display object while remaining far shorter than an 18-inch beaker. Those measurements are manufacturer figures, not a promise that it will fit a particular shelf or cabinet. Allow extra room above the mouthpiece and beside the bowl for loading, removing, and cleaning it without bumping other objects.
How the two percolators work
Water pipes pull air from the bowl through a water path before it reaches the mouthpiece. In this XL design, the lower inline percolator breaks the entering stream into smaller bubbles. The upper lava dome adds another diffusion stage. More bubbling can change draw resistance and the sensation of a pull; it does not establish that smoke becomes medically safe or that the pipe removes any specific percentage of harmful compounds.
Fill level matters more than a claim of “maximum filtration.” Add enough clean water to engage the lower slits while leaving headroom for airflow and the upper chamber. Test the draw gently without material. If water rises toward the mouthpiece or the pipe feels hard to pull, adjust the amount and check for blockage. The maker does not publish a universal milliliter fill line for every orientation and user's draw, so visual testing is the better guide.
Because there are two stages, spent water and residue can remain in narrow places after a casual rinse. That is the maintenance cost of the visual performance. A wider simple beaker may be easier to wash quickly. Someone who enjoys seeing the colored dome and bubbles in motion may find the extra cleaning worthwhile; someone who wants the most minimal glass path may prefer a simpler piece.
The taller chamber gives smoke a longer route than the seven-inch version, but size alone does not measure cooling or smoothness. Water temperature, airflow, load, and cleaning all affect the experience. HEMPER's own reviews include enthusiastic subjective descriptions, yet those are individual reports, not controlled tests. Choose the XL because its size and two-stage structure suit your space and routine, not because a height number guarantees a specific sensation.
Design details that matter in use
The lamp profile narrows as it rises, with blue fixed glass forms visible in the main chamber. The frosted white top and base give contrast. The bowl sits on a side joint rather than on top of the central cone. Set the base on a level, stable surface and leave room at the side; a decorative, tapered glass object is more vulnerable to a sideways bump when the bowl is being handled.
The visual resemblance to a lava lamp is strongest in the Blue version shown here. HEMPER also lists Green and Teal variants. Color choice changes the decorative glass, not the published 10.5-inch height or double-percolator description. The manufacturer page may default to another color, so confirm the Blue selection and the thumbnail at checkout. The product photos all show the Blue unit.
Five-millimeter glass is HEMPER's stated wall thickness. That supports a more substantial feel than very thin novelty glass but does not make the piece drop-proof. The lower joint, mouthpiece rim, and internal percolators remain vulnerable. Carry it with two hands when moving it around a room, and store it where the decorative profile will not invite handling by children or guests who assume it is a lamp.
Preparing a first session
On arrival, inspect the mouthpiece, bowl, side joint, and colored internal forms in good light. If you see a crack or chip, do not use the piece; contact the seller under its arrival-damage process. Rinse out packing dust as the manufacturer permits and allow everything to dry. Place the base on a clean, level surface before filling. Avoid striking glass against a metal sink or faucet.
Add water gradually, then take a gentle dry pull to confirm bubbling through the lower and upper stages without splashback. Insert the included bowl carefully; glass joints need firm seating, not force. Pack a small amount of material and keep fingers away from the heated bowl and rim. The joint and bowl can be hot after use. Let them cool before removal or cleaning.
If airflow becomes tight, check for excess water, a clogged bowl, or residue in the percs. Do not pull harder on a restricted piece, because that can send water upward or strain the glass joint. Empty and refill with clean water after use. Use only where legal and follow local age requirements; a decorative object does not change the rules for what may be used in it.
Cleaning the blue XL safely
Change water regularly and rinse the pipe after it cools. Stale water leaves odor and deposits, while residue in the small openings can reduce airflow. Remove the bowl and clean it separately. Use cleaning supplies suitable for borosilicate glass and follow both the glass maker's and cleaner's directions. Avoid boiling water, abrupt hot-to-cold changes, and hard tools that can chip the internal dome.
For a deeper wash, protect the openings and move the solution gently through the chambers. The fixed colored shapes and two percs create corners that may need soaking rather than aggressive shaking. Rinse thoroughly until no cleaning agent remains, and let the pipe dry before storing it. Do not seal a damp water pipe in an enclosed cabinet or wrap; moisture and residue can produce odor.
Pay attention to the side joint and bowl lip. A clean joint seats more reliably and is easier to remove. Never lever the bowl sideways if it sticks; let the assembly cool and use the maker's troubleshooting advice. If an internal perc breaks, the damage is not a normal cleaning task. Do not continue using glass with loose internal fragments.
Glass color can help reveal some buildup, but the frosted sections can hide water and residue. Turn the emptied piece under a light during inspection. Keeping a dedicated soft surface for disassembly reduces accidental contact with hard countertops. These small habits matter more for a sculptural pipe than for a straight tube with no internal forms.
Blue XL versus the smaller 70's model
The seven-inch That 70's Lamp Bong shares the motif but is a distinct product. HEMPER lists it with a three-inch diameter and a single inline percolator. The XL adds height, a slightly wider footprint, and the second lava-dome stage. Do not assume a bowl, cleaning brush, or storage slot sized for one version automatically fits the other.
The smaller model may be easier to keep on a crowded shelf or carry between rooms. The XL makes the colored glass and two-step water action more visible and gives a longer chamber. Neither has actual lamp electronics. A buyer choosing between them should measure available storage, consider cleaning access, and decide how much visual presence is useful. The word “XL” is a model distinction, not a universal size standard across all glass brands.
HEMPER also sells an XL Bong Box, which is a separate assortment containing the themed pipe and other accessories. This is the standalone Blue bong with its listed bowl, not that subscription-style or boxed accessory collection. When comparing prices, use the contents and selected color of each exact product, not just the shared photograph of the lamp-shaped glass.
Price, color, and buying checks
The direct HEMPER Blue variant is currently listed at $79.99 and available. The manufacturer's page also shows a higher compare-at price. Sales and promotions can change; confirm the actual selected-variant price, taxes, shipping, and stock at checkout.
Check that the selected product is the 10.5-inch XL, not the seven-inch piece or the XL Bong Box. Check that the included 14 mm male flower bowl is listed. Review the seller's breakage, return, and replacement process before ordering fragile glass. Keep packaging until the contents have been inspected. The strongest reason to buy this pipe is the combination of lava-lamp-shaped blue glass and two-stage percolation in a 10.5-inch body; its upkeep and vulnerability are part of that same choice.