Take a look at my system, three vents 40w for one 250w HPS,
http://boards.cannabis.com/closet-ca...ml#post1512807
Cervantez Reviewed by Cervantez on . Ventalation: fans fans fans fans...? Here's the deal: I have this closet for my flowering section and everything was fine until i switched from 400W to 600W. I just can't seem to get the temp down where it needs to be. My crops keep coming out a little brown from the heat, and sometimes a couple plants even die. Today I bought another fan, 6" about 270 CFM. My question is where do I place my inline fans in the run of cooling ducts? There seems to be a great difference of opinion as to wether you should push or pull air through Rating: 5