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I'm officially confused. I've been studying posts and reading up on ventilation and exhaust as best I can. I've seen contradicting information regarding AC as a means of fresh air exchange. One post I just read said that with AC there was no need for fresh air and posts I read some time back...

Hi all. Will a 62cfm "muffin fan" used at both the intake and exhaust ducting (2 fans total) connected to a 1000 watt Cool Breeze HPS Reflector (intake from outside ducted through the light then exhausted back outside) be enough to cool the light? I'm afraid I may need more powerful squirrel...