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Grow Room Design & Setup

Quick question about fans

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The Grow Room

forums; How many cfms would I need for a 4x4 tent setup? Would this be good enough? http://www.amazon.com/LEDwholesalers...8856616&sr=8-2 Thanks in advance ...
  1. 06-04-2012, 06:33 PM #1
    annierox
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    Default Quick question about fans

    How many cfms would I need for a 4x4 tent setup?

    Would this be good enough?

    http://www.amazon.com/LEDwholesalers...8856616&sr=8-2

    Thanks in advance
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  2. 06-04-2012, 06:45 PM #2
    budwich
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    depends on the light you are putting in there. Any thoughts on that
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  3. 06-04-2012, 06:52 PM #3
    annierox
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    600W HPS running 12-12 from seed with a 6" cooltube
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  4. 06-04-2012, 06:56 PM #4
    budwich
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    I would say something more like this http://www.amazon.com/Inch-ValuLine-...ef=pd_sbs_hg_6
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  5. 06-04-2012, 06:58 PM #5
    annierox
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    Thanks a lot!

    Edit: Do you think 6" fan and cooltube will be enough, or should I go with an 8"?
    Last edited by annierox; 06-04-2012 at 07:01 PM.
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  6. 06-04-2012, 07:53 PM #6
    afgan420
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    That inline fan budwhich posted is more than enough dude
    Good luck
    smoke weed erry day
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  7. 06-04-2012, 08:30 PM #7
    budwich
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    is your light 6 or 8'. either way a 6" fan will be cheaper so a reducer is no big deal. good luck
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  8. 06-04-2012, 09:41 PM #8
    annierox
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    6" light so matching sizes will be no problem, thanks!
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  9. 06-04-2012, 10:05 PM #9
    problemsolver
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    Not that you asked, but are you going to be pulling air with a carbon filter in between the fan and the fixture? If no, the cap valuline 6" is a fine choice for a straight run duct to vent configuration. If yes, I would suggest the Can-Fan brand high output 6" (if it is a Can Filter brand 6" in between, it would cause a static pressure drop that a cap valuline doesn't handle as well) or at the least a grey Vortex brand 6" ( if it is a smaller carbon filter than the Can Fan brand). Just want to make sure you don't buy something that under performs if a carbon filter ever goes inline, unless of course you already ruled a filter out of the equation.
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  10. 06-04-2012, 10:08 PM #10
    Pimpologist
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    My cousin is running a cheap 50 cfm bathroom vent fan thru his 600 watt hps hood and it keeps the glass cool to the touch and he doesn't have heat problems. The fan you posted at first should be good enough i would think but if you can afford the better one i say go for it.
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