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I need help figuring out what kind of exhaust fans to run. I have a 20x7x11 room so I need about 500 CFM for my grow space, correct me if im wrong. I plan on running 2 1000w HPS's in my flowering space and 1 MH and a 4ft 8 bulb t5 hood in the veg space and would be venting out just above...

I realize this is an assortment of questions but id appreciate it if anyone could clear some of these up for me as i just moved into my new place and have my own soon to be green room. This is my 3rd indoor grow but the first of this magnitude as I have just moved into a new city with much...