Quote Originally Posted by SyDsHo
Current air flow is as follows:

I have the previously mentioned 8 in duct booster pulling cold outside air into my setup.

I grow vertically hydroponically, utilizing a vertitube. My vertitubes hot air is being pulled out by a Vortex 6 in. fan through a closed loop.

I also have a 6 in. Vortex fan on my charcoal filter exhausting.
be careful on pulling in too much air, if you dont have equal pressure or a vacum on your intake your carbon filter might not work correctly as your air could be leaking back out through your air intake


what do you mean by a closed loop? are you recycling the warm air?