powdery mildew mold

Ruby Tuesday auto

Hey I'm new to the forum so hello everyone.! I'm a little worried as I've spotted this in the grow room, I'm unsure as to what it is, I know the photo isn't brilliant as its took under LED light and I will replace with a new image if further identification is required. I'm worried that it...

So i have a bunch of plants packed into a very small space, their 3 weeks into flowering and i noticed a strange smell in the closet. There are little circles of mold on some of my plants leaves! I've seen these before but i though they were little spots of dried nutrients. Now on closer...