I just bought my second tent, its a 4x4, I have my 6''in exhaust fan running at a lower speed, but still causes a lot of suction on the tent.
This is the tent
http://www.ebay.com/itm/141134537401?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
My problems is, I can fix the suction by...