Hey Bongo
I pick up a can at my hydro store it stop the odor in the plant area.I want the liquid ona so I can set up this odor killer{Postmandave} posted a thread on how to make this odour neutraliser .The hydrogel crystals you can get at wally wrold ,its cat litler {crystals tidey cat}.Now where can you get the liquid ona?But a carbon fliter is the best.