no problem, frustrating huh. What are the ambient temps around the grow room. ie, what is the temp of the air coming into the room via the 4" intake? You might want to crank that fan up as high as it can. I see the tempo in my room go up 5 deg. F when my light comes on.
dusto2k3 Reviewed by dusto2k3 on . AAAARRGGHH!!! I DONT UNDERSTAND! I've just completed one grow in a 1.2m * 1.8m closet, its 3m high too. I had to keep the door open, and with just a dinky little fan blowing on them from the doorway, they managed to stay at about 27C all the way, under a 400w HPS. For this grow, I decided to do things a little better. I smacked out a 12 cm round exhaust hole at about eye level and a 10cm intake at roughly floor level. I inserted the 12cm flex ducting, pulled it all straight and inserted it into my brand new fan which I've Rating: 5