Heat and exhaust? Will this be enough

Discussion in 'Growing Marijuana Indoors' started by whackyac, Mar 23, 2016.

  1. So I have a 3' x 3' x 6' grow tent with a 400w HPS HID. If I have one 400 cpm exhaust fan and one 600 cpm intake fan should this this be enough to keep the tent cool?
     
  2. Yes, easily. Get a speed controller and dial it in.

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  3. I have a 4x2 with a 400w HID and I only gain about 10 degrees Fahrenheit with one exhaust fan and passive intake.
     
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