So I have a 3' x 3' x 6' grow tent with a 400w HPS HID. If I have one 400 cpm exhaust fan and one 600 cpm intake fan should this this be enough to keep the tent cool?
Yes, easily. Get a speed controller and dial it in. Sent from my Nexus 5 using Grasscity Forum mobile app
I have a 4x2 with a 400w HID and I only gain about 10 degrees Fahrenheit with one exhaust fan and passive intake.