havin probs taking photos of the roots at the moment its too dark without flash and too bright with 1 and im needing sleep. Heres wat i have, manky looking top of block.. (need some guardian angel?) maybe u can vaguely make out root color.. ive cleaned the tank and fed it small doses of PK and N i dont know if i should have but il find out soon.. as you can see they look ok a day or 2 later...