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Hi i have a grow room thats kicking my ace. grow room setup, 6 dwc recirc system 4" airstones, was using tap water, and now distilled water. ph is at 6.0, ppm is 1256. everyother day i'm adjusting ph. there are under 2 1000w hps, temp is 68 degrees, water temp 50-55degrees. using technaflora...