Need advice please.
I am using ebb and flow system, 400W MH, PH 5.6, H202, Nutes "as directed". I flood every 5 hours, (4x a day) untill fill, then drain (takes 4 mins)
It seemed the same thing happened a couple weeks ago when I was at 1/2 nutes. I then cleaned the rez, went full nutes and...