Thoughts on 8" vs. 6" ducting

Discussion in 'Grow Room Design/Setup' started by KouchLoch, Dec 20, 2012.

  1. I've been working on my grow room setup, and I've upgraded the ducting and connections to 8". I was just wondering what are the thoughts or pros/cons of 8" ducting vs. 6" ducting other than cost. I'm basically looking for possible performance specs in one vs. the other.
  2. It would be volume/ cfm's how long of a run do you have?
  3. no more than 8' total, a 745cfm 8" vortex fan and a 600w HID.
  4. Everything else being equal, increasing duct size will decrease noise levels due to reduced air velocity and increase cfm due to less resistance.
  5. Exactly what I was looking for, thank you sir! :bongin:

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