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I am a first time hydro grower using flood and drain tubes using hydro stones. My set up is as follows. 1.lighting- 4 x 1,000 Led 2 x 750 HPS w/air cooled hoods 2.TEMP- DAY 87-91° W/ CO2 @ 1300 PPM Night - 74-76° 3. Nutes @ 1460 in 2 x 20 gal resivors flooding tubes once every 1.5 hours for...