What To Do

I have a hydro garden of the drip type that is drain to resiorvior.
I have the lights on a 12\12 cycle.
I water every 3 hours for 15 minutes, except in the dark cycle, However I do have one watering 6 hours after the lights go out and of course 6 hours before they come back on. My question is I seem to be getting powdery mildew but my humidity is between 43% and 55%, could this mildew be caused because of the watering during the dark period.
Does anybody else water during the dark period
Newbie to this stuff and all the help is appriciated

Spray it with fungicide. Daconil or sulphur compound. Maybe try reduciing the water interval.

Yeah, I'd quit the night time watering. The humidity climbs at night...so watering would compound the effects and could be way you're getting mildew. Have you looked through a scope at it yet? I thought I had some mildew on my outside plants, but when I looked with my 30x scope it was a whole mess of thripes.

haven't looked at it with scope yet, but with a powerful magnifying glass.
We shut the night watering cycle off. Also plants are real bushy. Going to trim some of the lower leaves, as suggested by a long time grower.
will let you know what happens.
Thanks for the answer

No prob bob