So, my grow box has a 5" hole on one side with a fan fit perfectly blowing air in. I also have a 5" hole on the other side for the outlet for a carbon scrubber. Would I need to put another fan there as well to help pull it out?
You should probably take the intake fan out and leave it as a passive intake. Will create negative pressure and keep smell inside the cabinet. Hopefully someone else comes and chimes in.
Yeah like hippie said. Better to pull hot stale air out Sent from my SPH-D710 using Grasscity Forum mobile app