Originally Posted by Coldgr33ntea
hot water would make the smoke hotter, then the cold water would make the smoke colder, i guess you would get warm smoke then. Heating it up first wouldnt do much unless the hot water was around the bowl, then it would still cool the bowl down unless it was boiling. I wouldnt bother with the hot water. Perhaps some type of ice chamber to make the smoke extra cool would give you better results.
Vouch that, I saw a couple of videos on Youtube that shows you how to make one.