i just got a co2 tank and reg. for about 320 but i think thats the answer. every thing else seems to be ON . plants are nice and green leaves are good ph is about 6 but i still only get like a half to 3 quarts when the shit dries . and that weight is from a plant thats veg for 4 to 5 weeks . 2 under t5 then 3 under a 400 mh then flowered for 8 under 1000 hps at harvest time thats about 4 ft. what kind of weight r u getting off each? i also think my co2 is depleted cuz i got around 100 babys in a 15x10 ft room ... WHAT CHU THINK??should i be getting ,ore out of it? strin is supposed to be some strawberry kush. it smells alright not too strong but smokes killer..thanks for the help.