Oh I totally forgot. Ozone kills bacteria and mold dead.
This is worth its weight in gold, or you can make one from a very simple plan I have if you're feeling fancy with a neon transformer, a couple of glass jars, stainless steel mesh and some wire.
run it about 2 hours a week and you'll never have a smelly boat again. Don't run it too much necause the nitrogen oxide can kill the process and make people sick.