how do i use a passive air system for my grow box

Discussion in 'Grow Room Design/Setup' started by johnnyd, Aug 13, 2003.

  1. #1 johnnyd, Aug 13, 2003
    where should i put my fan outake on a Passive air system for my grow box.

    the top or bottom?


    is 6-12-6 fertilizer good for the vegging stage?
     
  2. #2 Dreeker, Aug 13, 2003
    intake = bottom since cool air sets and hot air rises, and fan on top since u want hot air gone
     
  3. #3 hippie john, Aug 13, 2003
    yeah, exactly. snf i personally think that 20-20-20 is best for vegging;)
     

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