Not PM, but residual sulfur from a broad mite problem in veg. Ph of water is 6 which seems low but if I try to ph up the plant reacts badly so I just leave it
Reporting back! I believe it was light burn as I have moved the light farther away and it seems to have stopped. . Ty everyone who chimed In y'all really helped a new grower out:)
I have no exhaust or intake fans just a rotating one. So I have to manually exchange the air in the tent. Definitely gonna invest in a couple inline fans
My soil is pro mix for flowering plants. I feed with half the recommended dose (3/4 tablespoon) of miracle grow bloom booster 15-30-15 in 1.5 gallons of rain wateronce a week. And water with rainwater 1.5 gallons every other days
Plant was vegged outside and is in the 5th week of flowering inside under 400w hps. Leaf edges and tips are starting to burn at the top of the plant along with yellow stripes and some black stuff on smaller leaves. Assuming a nute lockout I immediately flushed the soil with water phed to 6.5 but...