thx for the advice! i just bought another tub, so 2 plants per 4 gallon tub. The water temp is about 72 degrees.
quinn Reviewed by quinn on . DWC Stealth Hydro - Nute Solution - brown foam / ph rises +1 Hello, my setup is: 4 gallon Stealth Hydro DWC 2 85 watt compact fluorescents (flowering and grow) Stealth Hydro Grow and Flower Nutes GH Flora Shield After about 2 weeks, my first change of nutrient solution, plants looked great and grew very fast. However, after the nutrient solution change, problems have started. I set the PH at about 5.5-6, every evening its back to 7-7.5, the solution started to foam and a brown residue formed, inside the tank its a mess - brown foam and residue, Rating: 5