i still have 12 plants on 20/4. they are really good looking, you can see pics in my journal (sig) if you want. i plan on flowering when the tallest plant gets to 21 inches...
THIS PIC WAS TAKEN ABOUT A WEEK AGO....BUT THE BIGGER ONE IS NOW IN ITS 5TH WK OF VEG...THE OTHERS ARE ABOUT 2.5-3 WKS IN.....BUT THERE ALL GOING TO 12/12 SOON...!!!!!!!! (AVRG. 4WKS OR MORE)
Those are in veg
Had to slow them down a bit ...still working out the timing of my cycling in bud room
...and they seem to be doing fine
I flower with 1k hps