I'd say fill it up a little and test it out, like your hitting it. If you can feel the water going up too high, then take some out. If not enough, and you can't really hear the water when hitting, add a bit..hope this helps.
ILikeSurfing Reviewed by ILikeSurfing on . just got a new bong, how much water? im wondering how much water i should use in a bong. here's the picture if it helps: http://www.fileden.com/files/2006/8/29/193050/omgwhatsthat.jpg Rating: 5