hey riu
I just started co2 in my 4x4x6 tent with a 16'' wall fan blowing the co2 down on the canopy , and the tent is in a 10 x12 room , and in the room there also is a open veg area that is 2x4x3 and is on 24hour . in the tent i have a 6'' duct pulling air thou the tent back into...