Im running a 1.2 x 1.2 x 2.0 with a 6" extractor, pulling 700cfm with a phresh silencer 6" rhino hobby filter, 5" intake that's putting 450cfm of fresh air from outside in the tent,a 600watt hps dual spectrum buld,im growing in bio-bizz light mix, my feed is dutch pro A&B grow an bloom, the new shogun nutrient range, katana root start, shogun silicone shogun boost, shogun cal-mag,shogun pk 9/18,and B52 from advanced nutrients, i also have advanced nutrients overdrive just to push that bit extra out the flower stage, i got in there 3rd week of 12/12 from barneys farm 1 cookies kush 3 pineapple chunck 1 lsd 1 tangerine dream and from advanced female seeds 3 northern high lights, all 100% healthy girls.