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Old 11-14-2007, 11:18 PM
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So I've got my 400w MH running 24/7 now in a closet(Not sure about the dimensions ). It's starting to get, I'd say, about 90-95 degrees in the closet with the doors shut. So I'm starting to leave one side slightly open with a fan inside and a fan blowing air from the outside into the room. But that just makes the room warmer instead of the closet.

So my question is... if I get some 6" ducting, would I need 1 or 2 inline fans to circulate that are in and out?

If I only need one, should it be pulling the air through from the exhaust end, or pushing it through from the intake?
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Old 11-14-2007, 11:49 PM
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pull through. inlines are made to pull air. i ahve a 270 cfm can fan on my 2 600 hps's. they stay so cool i can touch the glass under the bulb. i have my a/c in the room ducted into the sectioned area that is my flowering room. my temps stay 75. vent them bitches. you only need one fan if it is big enough. you could even leave one end of the light open and vent your room through the light.
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Old 11-15-2007, 12:56 AM
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That's what I was thinking about leaving one end open and just putting the exhaust outside. Winter air is the best a/c for me. I'm looking to pay about 30-50 for the inline at home depot. I think I've seen it online and it's like 260 cfm. Ducting is pretty cheap isn't it?
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Old 11-15-2007, 09:51 AM
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not really. if uronly using a few feeet yeah but nah its expensive.
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Old 11-15-2007, 10:50 PM
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double insulated metal expandable duct is expensive. But i got 25 feet of insulated 6 inch plastic ducting for 25 bucks at HD
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