Pictures would help immensley, and I doubt they are flowering (how old are they?) and more than enough information can be searched for in these forums for info on hydro, I myself stick to soil.
4x5 Reviewed by 4x5 on . Another first grower in need of help i got 600w light the plants r on 18hrs on 6 hrs off he plants r about 12 inches high have only been fed on tap water up to now and have bin like this for three weeks they r startin to flower im doing it the hydro way wot feedin stuff do i need and how often should i feed them:D Rating: 5