Quote Originally Posted by LaZ
The order from least wasting methods (according to NORML):
1. Joints
2. Pipes
3. Bong/Bubblers (as being the most wasting method, due some THC being lost in the water and sides of the chamber)
Joints as the least wasteful? i guess it depends how they researched it, but smoking them normally would prove to be the most wasteful - joint is consistently burning and you take a drag now and then.

I guess bongs have the risk of thc sticking to the chamber, and contaminants in the water, but have they considered THC absorption rate? im guessing this would be much higher for bongs.

Have they taken into account environmental factors? if you were in a tent smoking a joint, the absorption rate would be much higher because your breathing in the smoke multiple times.

I shit on NORML's research.

Why hasnt someone invented a special type of water for the bong that filters out more carcinogens than regular water? meh.