Well.. knowing the problem,and knowing the cure are 2 different thing's.I use ebb/flow and drip system's.You should find some of our DWC grower's to get more precise info.

Dive:stoned:
Divestoned Reviewed by Divestoned on . yellowing leaves/stunted growth Please help. The pics are my 6wk old superskunk. deep water culture bubblers. 600w hps. general hydroponics flora series nutes. Cloning was fine. formulex and rhizotonic in rockwool cubes under fluro. About a wk after transplanting to the bubblers, yellowing of the larger fan leaves started. guy in hydro shop suspected heat stress, so i substituted my open reflector for a cool shade. Rating: 5