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Like Rumpleforeskin is saying, too much ozone will kill the plants so it's best in very small doses- and at intervals. Something small that turned on for 15 minutes off for an hour. It's better in high concentrations in the ducting, he's totally right about that.
Negative ions are better for controlling mold and bacteria inside the grow chamber while not being harmful like large amounts of ozone. Even then extremely high concentrations wouldn't be a good idea. Go light on it. Also, UV lighting is great at controlling bacteria too- both in the intake (kills everything you don't want in the air, even viruses) and as UVB tubes or flood lights on the plants. (reptile lights)
Last edited by Mr.GoodStuff; 10-12-2007 at 07:13 PM.
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