NO'3s are high and the PO4's are not shown and as neither is the DKH levels .. Thats where I'd first look your new lights have just supplied more energy for the algae to flourish a kick start type of deal you have to remove the food source of the algae. And get the water to a point of hardness that does not suit the algae plants _________ Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible (Doug Larson) |