Hi guys, Just dropped in to see if what you guys are talking about is the same thing I'm dealing with too. Is it a gray dusty like stuff on the leaves ? I had a friend give me two small sativas about 14" tall So I put them in with a couple of other plants than noticed this gray shit on the leaves of the 2 new plants . I brought them out side and washed them off , but it's come back on another one of my plants all over the buds etc. I've been spraying the hell out of them with Serenade garden Disease Controll , says it can be used for organic gardening . But this shit stinks to hell , and the plants I'm using it on are in my bedroom closet !! Had to sleep in extra bedroom last night.. Hope this shit works ...The active stuff in it is qst 713 strain of bacillus subtillis (.074%) the rest 99.926% is inert ingredients ?? Hope it works , anything like this on your grow ? Thanks guys take it easy