What is the humidity level in the room? If you have powdery mildew, you need to start treating it very quickly! It gets hard to eliminate. Neem or coriander oil (active ingredient in SMC leaf wash) both are effective against PM. But without pics, real diagnosis is a bitch.
stinkyattic Reviewed by stinkyattic on . Gray spots On one of my indica plants there are a couple of gray spots on it, what are these spots? Bugs possibly? Rating: 5