eh... I have no idea gonna have to ask a physics professor who knows about THC . I would just do trial and error... see how blazed you get...
YahtzeeG Reviewed by YahtzeeG on . Waterfall Bong- Shaking after draining Does anyone make waterfall bongs, but drill the hole about 1/5 the way from the bottom so some water is left over, do the whole suction hit thing, then after the smoke is in the chamber, cover the holes and shake it to take impurities that are water soluable out of the smoke and leave the non-water suluable THC in the smoke? I can't always make vapourizers out of lightbulbs and stuff because my mom is starting to wonder why I have been saving all our burt out incandescent bulbs in a box in Rating: 5