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today during my inspection i discovered some powdery stuff on a few of my leavs in one corner of the grow closet day 26 of flowering humidity i know is high ill hook up a dehumidifier tommorw humidity gets almost 90 % at night. what sould i do to prevent this powderystuff from spreading???? i dont
Go buy a bottle of garden sulphur in Walmart or wherever. Use a QTip to gently paint the liquid (shake it up as per directions) onto the affected leaves. Repeat as needed. This will control it till harvest. Then dry out your plants thoroughly.
its called powdery mildew, look for any pest/insecticide/whatever and check the bottle to see it it can get rid of powdery mildew, i got stuff called 'roseclear 2' and it works okay...