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PVC is a versatile material, heres how I found that out. Me and two (stoned) buddies of mine went to Lowes, and started looking at the PVC. We wanted to make a waterfall bong. After hours of thinking and trial and error we finished a very cool waterfall bong, but it leaked and it wasn't steady on a flat surface. Protoype 1 finished. We got very high from out new creation, and brainstormed for Prototype 2, and adressed some concerns about the last one, and then the next day it was back to Lowes. After trips to the neighboring Home Depot, and back to Lowes, we were done with the coolest bong I have seen in a long while. Try and stay with me.

At the base of the bong there is a splitoff piece, so it looks sort of like an upside down Y. On one throng of the Y you plug in a hose,(there are plastic plumbing faucets with a valve in them each) with a watersource. On the other throng, a runoff house. It sits at 1 3/4 feet. Why the hoses?

We will call the hose that has the water source Hose A, and the runoff, Hose B.

Turn off Hose B, and turn on Hose A, causing the bong to fill up with water. We will soon be installing a plastic piece to tell us how much water is in it. Then you turn off Hose A once it's full, whe drilled an overflow for now. It has a double bowl that can be packed with about a half eighth. Keep in mind the chamber that holds the smoke is big around a liter bottle of soda, but it is a lot taller. The next step is to light the bowl(s) while you hold the overflow with your finger and turn Hose B on letting the water flow into the other hose, and it pulls the hit in as the water pressure decreases. The coolest thing about a closed system in that you can close Hose B and open Hose A, and the water fills up again with the smoke in there, acting like a GB, and shooting the smoke up. We hit it from the top now, but soon we are getting a hose to smoke out of.

I packed it with the bowl from out first protype which is GB size, meaning it had like a 1/6 of a gram capacity or something and I packed 2 that didn't even fill the bowl and got 6 people high. I was so proud of it. I will post pictures today if I can.

 

THC Fiend

Say NO to pvc

http://420.marijuana.com/showthread....light=chlorine

I now pray that you are still alive.

__________________
"Nietzsche is dead."
-God

brevity is... wit

dreamer

sounds like it was engineered nicely, but like my buddy fiend said, say NO to pvc
even if you think youre not heating the pvc and not releasing the deadly toxins, theres always a chance and why risk it for a cool bong? find another material and maybe come back here and ask around to see what materials you could use. id keep your blueprints for that bong though, it sounds cool.