Guys that are going to try to help you need more info, what you using up to this point?

RO water?
Tap water?
Any nutes used to this point?
What's your PH?
etc...

Give some more info and someone should jump in.
scottcc5s Reviewed by scottcc5s on . Calcium Deficency??? Hello all, i'm back with another question for ya. Im in week 5 of flower and have started to notice the brown spots and yellowing on the lower fan leaves. At the time i chalked it up to the plant doin some maintance by killin off the large suckers that weren't producing enough sugars etc. Well i trimmed off most of those trouble leaves and the spots/yellowing are showing up on the newer growth up top. Now i have done some extensive research on this issue and everything i find points towards a Rating: 5