Hey guys, could anyone tell me what the minimum CFM should be for a grow box like the one in the video below? I've been looking at PC fans, but most of them run at a very low CFM rate. I did find one PC fan thats 120 mm and runs at 129 CFM so thats what I'm leaning towards using for exhaust. For intake, I plan on using a small portable fan like the guy in the video.
Recommended CFM for grow box?
- Thread starter ogderp
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