What set up you got buddy, i have just built my DWC unit, im only doing 2 at a time nothing big, i need a new light as i sold my last one (600w hps) do u think a 250w hps will do for 2 ladys?
Cheers!
Mate i dont know for certaine but that looks like spider mite mate i had the same thing. And it completely fucks ur garden. When i had them i completely showered mine down, in the shower lol washing under each leaf, the stems... everything! Then i sprayed them with that spray u can get(cant...