I actually have a 400W, wish it was 600. My last grow I added a 260W HLG quantum board to it also. With that setup the temp gets in the low to mid 80's in the tent. I'm using a 10 year old 4" Sunleaves Windtunnel 4 fan, 200 cfm. The tent is 4' x 4' x 6' 6". It's a cheap tent, the tent...