420 Magazine Background

boron brown spots calcium

  1. P

    Brown spots and leaves getting slim

    Hello all, I have a grow cabinet with 3 cfl lights, and 3 plants of different types. All three are getting the same phd water 6 - 6.5, temperature if around 28oC and umidity of 55%. All have grown, and one of them has passed to flowering stage, while the othera are in vegetative. Now i have...