Sorry, new to posting (and growing!)

here is my information:
-indoor
-Rockwool cubes
-Hydro Drip System
-Water source : Reservoir with tap water
-Water pH : 5.5 - 5.8
-2 weeks since cutting
-T8 4' Fluoros, 6 bulbs, 6500k
-Temperature Day: 70-73 F. Night: 68-71 F.
-50 - 60 % Relative humidity
-18 light / 6 dark
-2 oscillating fans on med.
-B'Cuzz A & B nutrients.