you have to put a down steam....but I think gravitys are no good I used to like em but now nahh I like em when their were no pipes or papers but now theirs glass and clear papers cant go any other way if its my choice
MadSativa Reviewed by MadSativa on . How To: Get ur Gravity Bong to Filter through the water The Gravity Bong is an awesome device to smoke from and one that i use on the regular. I ran into the issue of it getting too harsh on my lungs/throat and got to the point where i almost had to stop using it. this was taught to me by my friend dave(foehawk) if it is already wide known or there is a post on this then mods just delete it. Materials: a bucket or sumtin about the height of a milk jug(i use a 1.5L water bottle) a powerade(not gatorade) bottle with the sealable top(the one Rating: 5