carbon filter fan speed question.

Discussion in 'Growing Marijuana Indoors' started by king dank, Sep 10, 2009.

  1. hi im planning on making a bigger grow box, and i want to make a carbon filter, as for now im using ONA. soooo i have a 80mm thermal heat fan, would that be good enough to push through the filter?
     
  2. The size isn't what matters. Look up the CFM (Cubic feet per minute) that the fan is pushing. It shouldn't be below 80 CFM if you are to get good circulation with the scrubber
     
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