Originally Posted by Brotherly Monkey
not sure if you keep any handy, but the stuff they usually sale commercially is just a diluted version of physan 20
That occurred to me, but I'm wondering whether that might end up being more costly than a product intended for a humidifier. What dilution of physan 20? I also have some concerns whether physan 20 is something I want to have in the air everywhere in my apartment from a human health perspective.