fight club

Hi, This is my first Hydro grow. I am day 24 of veggie. I have 4 plants going all from Female seeds. 2 Ice and 2 bubblelious. my res is 2 gallons and I have 3 42 watt CFLs vegging in the 18"x"18x3' box. The Closet is 2'x4'x7' ppm 500 PH 6.0 I am using GHF for nutes with super thrive...