i posted before on cutting my roots and i was told to gently pull them apart how long can they be out of the water while i'm doing this?do i just dip them once in a while?oh and by the way i have a 16x16 res and t5 lights(equal to 250w metal halide). holds 8 and works real awesome.I have from the start been changing the water every week instead of every two like the nutes say to. what is recomended for getting rid of 
MOLD on my stalks?i'm using fox farm nutes big grow, tiger bloom, and big bloom.soil and hydro mix.
midgett85
MOLD on my stalks?i'm using fox farm nutes big grow, tiger bloom, and big bloom.soil and hydro mix. midgett85