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    What size fan do i need for my grow room?

    Hello, Can some tell me the equation i need to do to figure out what rating of fan i need to exchange the air in my grow room every 5 minutes. I'm sure there is a simple answer, but I just can't figure it out. Room 1 - 1.14 m3 (meter cubed) Room 2 - 2.50 m3 Thanks P.S Apologies if this has...
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