Powdery Mildew Woes

judy musicant
last month

I have 2 room air circulators going in my sunroom, which has improved the powdery mildew situation, but not eliminated it. I've tried Immunox, Lysol, now trying a sulphur solution, but it still comes back on some of the plants. I've seen some folks use an electrostatic air filter which they claim eliminates the problem. Makes sense to me, as it presumably eliminate the mildew spores in the air, but before I run out to buy one, just wondering if anyone else has tried that. If so, what kind/brand filter do you use? Thanks.

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