I believe i have a powdery mildew problem on three of my endless sky plants 7 weeks into flower! what should i do? should i harvest early? At first i thought since the temps were getting down into the high 30's at night that it was just the resin glands reacting to the cold and almost freezing in a way but now after a week and further examination i see that it wipes right of in some spots. I'll upload pics of what it looks like later. Please, Help!