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- #121
meffa
Well-Known Member
No, humidity is 45% at plant height. PM is all around us from what I've read and you have to change the pH of the plants surface so that it's not able to thrive. Sulfur vapor is supposed to do that. The PM isn't rampant in my grow but any is too much in my book. I didn't have any my last grow and I ended up not bud washing. I'll be bud washing this time around for sure just to be safe.What is it that is causing the PM? Is it high humidity?