jcommerce, i have the exact same problem. i fear, however, mine is worse. ive been doing super skunk for seven years now. the prob. started about 2 yrs ago. ive been lazy about looking into it because i still somehow get my 1.5lbs per light. i also posted this concern two days ago with zero...
anybody have any thoughts as to the deficiency i'm looking at here? I'm guessing magnesium, but i'm no good with identifying nutrient deficiency.
I use rockwool w/ gh nutrients.
ph at 6
ec at about 12 or 13, 4 weeks into flowers.
Heat got out of control and probably sat at 85-90 for a...