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Hello! Do you have any new information on UV-C light and powdery mildew?

Hello! Did you ever get an answer to this question? I have powdery mildew and I just purchased a UVC bulb and I am going to put it on a timer in my grow room, so that I won't be exposed to it. Do you know how long I should run it? Can the plants be in the room and should the light be off? Thanks...