Ducting for 1000W HID lights

Discussion in 'Growing Marijuana Indoors' started by bacchus, Sep 21, 2008.

  1. I need to purchase reflectors that are air coolable but i was wondering should I
    order them with a 6" or an 8" inline for the ducting. and what voltage and cfm
    should i be looking for when i need to buy a squirrel fan for either the 6 or 8 inch.
     
  2. I'm running a 1000W MH for my veg cycle right now. I'm using a 6" air cooled hood connected to a 6" 270cfm inline fan, I believe it's 72W. I have the fan hooked up to a fan speed controller so I can control the amount of airflow and the fact that I can turn it down when I have company over (the fan gets pretty loud on full speed). This works well for me and keeps my grow area at around 75F. If I were to do it again I'd probably spend the extra 20-30 bucks and get a slightly more powerful fan, something around 400cfm for a bit more airflow for those hot days. Hope this helps :smoking:
     
  3. Thanks you think a 400cfm fan can move air from 5-6 hoods?
    or do i need to use more then one fan or a more powerful fan.
     

  4. what size space are you working in? how many watts are you trying to slip under the lectric co's nose?

    2 maybe 3 400cfm

    fans could vent that those hoods
     

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