They are under 1000 watt blue lights. I am using Silica, Cal Mg, Flora Nova Grow, Fox Farm Big Bloom and Hydrozyme... I was doing 1.2 EC, but the tap water itself is .6 EC, so i was thinking that it's not enough nutes. About 6.0 for PH.... I increased it to 1.5 EC the feeding before and 1.9...