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make a bowl out of a water bottle

Make a bowl out of a water bottle

Many homemade bongs or smoking devices are made using single-use plastic bottles, which contain PETE or PET (polyethylene terephthalate) that can release chemicals when heated (like how the water from a bottle that’s been left in a hot car can taste odd). You may pull these chemicals into your lungs when applying heat to your gravity bong.

  • Plastic bottle (any size, but 16-20 oz is ideal)
  • Bucket or 2-liter plastic bottle
  • Aluminum foil
  • Box cutter or sharp knife
  • Poking device
  • Cannabis strains of your choice (at least one gram)

Research is still being conducted on what sort of impact this type of exposure may have on your health. Many cannabis consumers prefer to use glass or silicone smoking devices and avoid plastic as a precaution. If you choose to make homemade gravity bongs and other smoking devices out of plastic materials, be aware of the risks and proceed with caution.

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.
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.
Gravity bongs can be a bit intimidating if you don’t know where to start, but the procedure is more straightforward than you might imagine. It just requires a little ingenuity, some creative efforts, and the determination to make it work, and in less than 10 minutes you can construct your very own gravity bong using materials you probably already have at home.
If you’re new to cannabis or have a low tolerance, you probably don’t want to start with a gravity bong. But for intermediate to advanced consumers, making a gravity bong is a fun, easy DIY project that ensures a fast delivery of your favorite strain. Not the crafty type? You can buy gravity bongs to add to your collection of hardware and bust one out whenever you want a unique and potent smoke session.
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.

Load cannabis strains of your choice into the foil-wrapped bottle cap, but don’t screw the cap on yet.

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.