Hi first of sorry for posting my question on twitter didnt know you had a fourm to post questions.
my question is regarding your grow series you did with vivosun. i ended up buying everything from the video to build my grow tent setup.
only issue i have is when i bought the 4 inch inline fan kit. upon setting up i decided the inline fan would be used as my outtake exhaust fan.
my question though is because im exhaust ing all the old air out, would i need a second inline fan with the same CFM to be intaking fresh air into the grow tent?
i noticed you had 2 sets of ducting comming from your room one looked like an outtake bringing air out from the tent into your ceiling and one looked like it was comming from the ceiling bringing new air in.
sorry for the long post just wanted to make sure you had all the information before responding.
thanks
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Sorry you never got a response to this; I haven't been on the forum in awhile. You can use that inline fan to exhaust air from the grow space. No need for another fan to bring air in; you can simply leave the rectangle vents open on the bottom of the grow tent and air will passively come in. My setup is vent coming from the grow tent, through the inline fan, then up and out to the attic. Hope this helps!