they look like the water temp is too high. Can you get the temp cooler? Consider dropping ice bottles in the res, etc. Some H2O2 and cool water tempatures should help get rid of the algae.
Racerx Reviewed by Racerx on . Help Newtime Hydro (pics) Grow Info: Indoor Hydroponic Wardrobe Plants are all Northern Lights In Veg 18/6 cycle Lighting is a 400 Watt Son T Agro HPS Small Shade 120mm Exhaust Fan Growing Medium is clay balls Using Rapid Grow as nutrient Have water heater and air pump with Airstones Rating: 5