What Is A Gravity Bong And How Do You Make One?

August 9, 2021

A gravity bong is one of the more unique and effective ways to consume cannabis. Gravity bongs are well-known for their famously huge hits and clever design and have become a favorite choice for good reason. The best part, though, is that they can be crafted from some common household items in just a few quick steps.

What is a Gravity Bong?

Gravity bongs are creative and unique bongs that use gravity to create large plumes of smoke that can be easily inhaled. These fun-to-use pieces are simple to make and can give you one of the most interesting and potent ways to consume cannabis. Gravity bongs work by forcing heavily concentrated smoke into your lungs, filling them with smoke that is equal to the average hit from a pipe or weed 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 not for newcomers, as this can cause overly intense highs that may be out of your tolerance level.

How To Make a Gravity Bong

Gravity bongs can be crafted with just a few items that are commonly found around the house. They can be made using just a water or sports drink bottle of any kind, a larger bowl or bucket of water, and some scissors or box cutters. To start, a bowl of cannabis is placed or carved into the plastic bottle, after which the bottle is placed into a larger body of water.

For the larger body of water, a thermos or jug is commonly used. In order to take the hit, light the cannabis, and slowly lift the bottle out of the water to fill it with smoke from the flower. Then, unscrew the lid and put your mouth over the bottle’s opening. Now push the bottle down to let gravity effortlessly propel the cannabis smoke into your lungs.

Are Water Bottles Safe?

Many homemade bongs that are made using single-use plastic bottles can potentially contain PETE or PET (polyethylene terephthalate). When heated, these chemicals can possibly be released into the smoke you are inhaling, but research is not clear.

Research is still being conducted on the effects that 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. These materials can easily be replaced with materials found at your local shop.

Benefits of a Gravity Bong

Like most smoking accessories, there are benefits and drawbacks to using a gravity bong. Some of these include:

Water Pressure

The main benefit is the use of water pressure to make getting a huge rip super easy. Depending on your tolerance, this could be a very fun and interesting experience.


If you’re a smoker who is looking for a quick and efficient high, then look no further than a gravity bong. Rather than taking multiple hits like you may do from a standard bong, a gravity bong allows you to consume an entire bowl (or even two to three) in a single rip. The result is a quick and powerful high that is sure to satisfy!


The high you get from a gravity bong is powerful, and a welcome change to someone who may be in need of a fresh, new change to their routine. Having a fun experience is another benefit of a gravity bong. It is something different that can be used for special occasions and social events.

Homemade gravity bongs, while convenient, can put users under unnecessary risks from exposure to certain chemical byproducts. Additionally, makeshift gravity bongs will never produce the tight seal that a quality glass gravity bong provides. If you’re looking for the most bang for your buck, we recommend investing in a quality glass piece.

Overall, gravity bongs are a fun and unique way to consume cannabis. If you have never tried one for yourself, we promise you won’t ever forget your first gravity bong rip. So stay safe, and enjoy!

Pure Oasis is Boston’s original cannabis dispensary. Their knowledgeable and professional staff are experts when it comes to all things cannabis. Their team always strives to help make each visit effortless and fun for customers while they browse their wide selection of high-quality cannabis products and gear.

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