find the cubic feet and move 3 to 5 times that number.
Grow Marijuana FAQ, Cannabis cultivation - marijuana growing tips & photos
evertking Reviewed by evertking on . Vent question Ventilation Question: Will a 172 CFM vortex fan attached in a air-cooled reflector, be able to handle a load of 600w hps in an inclosure of 2.5x3x7 (feet)? The light is too big for the room but it's all I have. Your Thoughts? Rating: 5