you need to check out something i found on youtube it will tell you everything you need to know go there and search for '' i grow chronic '' i watched some time ago it helped me out a lot i do it all here is the link there is 9 videos to it so i hope you have high speed internet

YouTube - I GROW CHRONIC - PART 1 (legendado)

good luck !!!
ilove2_420 Reviewed by ilove2_420 on . New Ebb n Flow need a little advice Hi all, I'm just starting out with my first hydro system. I'm using an ebb and flow setup. Going to have 6 plants in a 2x2 tray. 600w HPS 2x2' tray rockwool hydrton rocks 1 gal plastic pots maybe 1.5 can't remember 20 gal resivoir Rating: 5