Here’s the tricky part: Submerge the smaller bottle in the filled bottom half of the larger bottle (or bucket) until just the cap remains above water. Carefully screw the foil-wrapped bottle cap back onto the bottle.
Use your box cutter to cut the bottom off your smaller bottle. The more of the bottle that remains, the larger the hit you’ll receive, so be careful not to trim too much off the bottom of the bottle.
Load cannabis strains of your choice into the foil-wrapped bottle cap, but don’t screw the cap on yet.
Cut the bottom off your larger 2-liter bottle and fill it with water. If you’re using a bucket, fill your bucket with water.
Once your bottle is filled with smoke, carefully unscrew the cap and put your mouth over the bottle opening.
However, if you’re looking for a bit of nostalgia and feel like getting crafty with your cannabis consumption, here’s a handy guide to creating your own gravity bong using a few everyday household objects. (Disclaimer: Inhaling combustible materials from a plastic smoking device may be hazardous to your health. Proceed at your own discretion!)
Wrap the cap in aluminum foil, shaping the foil to create a small “bowl” divot for your cannabis. You can shape the bowl to be as deep as you’d like, and the foil will keep your cannabis from falling into the water below. You may need to cut off excess foil and shape it to avoid spilling cannabis. Health hack: if you’re looking to spare your lungs, try this metal bowl piece specifically designed to be used for gravity bongs.
The short answer is yes. Gravity bongs force heavily concentrated smoke into your lungs, filling them to capacity beyond the average hit from a pipe or joint. When you inhale the contents of the smoky bottle into your lungs, you are essentially breathing in the smoke from an entire bowl of cannabis in one go. For this reason, gravity bongs are certainly not for the faint of heart. A tried-and-true method of old school cannabis consumers, it delivers a powerful hit of THC that may be too much for an inexperienced cannabis beginner.
You can reuse the foil in your gravity bong. Don’t worry about changing it unless you rip the foil or if the holes get clogged and prevent adequate ventilation, at which point you should swap it out with some new foil.
Find out what a gravity bong is, how it works, and follow our easy steps to make your own homemade gravity bong from a water bottle.