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Intake or Exhaust?
So I'm building a new grow box, and I'm wondering what would be more important, an intake fan or and exhaust fan. I'm assuming an exhaust right?
My other idea was to have the fan be an intake, and blowing on the lights to keep the temp down.
I'm a little worried about heat, only because I'm using a cardboard box. I've lined the inside with foil, and then white posterboard. I'm only going to be running 2 CFL's, but I just want to be safe you know?
Any help would be greatly appreciated.
PS. The box is 20x12x20 (width, depth, height)
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Scrumping around since 1985
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