hot/icy water in a double bong
It actually makes sense if you know some physics or chem or whatever.
The first chamber the smoke passes through should be HOT, because particulates/solids (like ash etc, the GRAY part of the smoke) dissolve better in hot water.
The ICY chamber cools it, of course, and filters some water-soluble gases, since gases dissolve best in cold water. So the cold part would filter out say CO2..maybe um..other gases.
It actually makes sense if you know some physics or chem or whatever.
The first chamber the smoke passes through should be HOT, because particulates/solids (like ash etc, the GRAY part of the smoke) dissolve better in hot water.
The ICY chamber cools it, of course, and filters some water-soluble gases, since gases dissolve best in cold water. So the cold part would filter out say CO2..maybe um..other gases.