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White dust on leaves?
minionrebel559started grow question 4 years ago
I have a light white dust on my indoor Staples OG, it doesn't really come out in pictures well. When I look at it under the loop, it is crystal like but it's on the fan leaves. Does anyone have any ides what this might be?
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UltraDankanswered grow question 4 years ago
Hard to see. Looks like a little powdery mildew. There are many possible treatments at this stage in veg. High PH (>8) foliar (like silica) will prevent PM spores from germinating, H2O2 is an option, wettable sulfur possibly. Prevention of PM is airflow and adequate RH. Looks like your RH is low already. Enough air movement? Good luckš
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