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how to make a grav cap

How to make a grav cap

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.

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.
Light the cannabis and slowly pull the smaller bottle upwards out of the water while the bottle fills with smoke. If the bottle doesn’t fill with smoke, you may need to check and make sure that your cap is fully screwed on, and that there are no holes or gaps in the side of the bottle. Any leaks could compromise your gravity bong, and some trial and error may be required before your first successful attempt at a functional device.

First, gather the following items:
Gently push the bottle back into the water. As the water enters the bottle, the smoke will be pushed into your lungs.
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.
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.
Once your bottle is filled with smoke, carefully unscrew the cap and put your mouth over the bottle opening.

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.

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.