When to put under HPS light?

[red662]

bump.
lookin good kep us updated nice hydro set up. aveu the alls paintd whie in the first pic?

[Ze w33d Farm3r]

Ive only started the hydro setup bout 2 days ago and im stunned by the rapid root growth since i started her up... alrdy the roots are apearing into the water i feed em som miricle-grow wen i started it up as well! plants dont mind it so hey! must be doing som good for em then, I'll post som more pics tomoz morn or day after to keep you peeps posted!