:stoned:hi basement b, my setup is a bit different than most so im not sure if that often of exhausting would apply to my setup? The room my 2 grow areas is in is massive,(the grow areas are curtained off with white sheeting and arent that big compared to the room)
The inlet vent and outlet vent with fan attached are in the space between the two areas so that air is exchanged in this sort of corridoor and then slowly exchanges with the curtained off area.
Wouldnt a large area like this need exhausting alot less often than a small area like a closet grow?
The fan is massive too and the guy in the shop was adamant it would completely exchange all the air completely in my size of room.

Please let me know what you think :stoned: