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So this is exactly 2 weeks since it broke soil. 75 Fahrenheit, 50% humidity. Mars hydro ts 600 at 18 inches, one 8 inch exhaust desk fan bodged into the top exhaust outlet which I'm sure is giving enough exhaust flow, incense smoke flow test showed reasonable suction, passive intake setup...

Can somebody please tell how many cfm I need for a 2ft wide x2ft deep x4ft high tent? Is a 4" inline 88cfm/150 cubic metre an hour booster fan going to be ok as an exhaust?

Hey guys, basically I have a 2ftx2ftx4ft tent I'm gonna put in my bedroom, with a mars hydro ts 600 led panel and I'm gonna grow 1 maybe 2 autos in it at a time, probably 1. Because i don't want to spend the earth and make a basic set up work for me i want to work with a passive intake and just...