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Thread: Bong Designs

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  1. 10-31-2005, 10:07 PM #1
    PkG.1337
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    add some more fan,HIGH CFM, the water fell is ganna make noise anyways.
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  2. 10-31-2005, 11:11 PM #2
    Andrew
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    Quote Originally Posted by PkG.1337
    add some more fan,HIGH CFM, the water fell is ganna make noise anyways.
    No need. One of the great things about evap cooling is that it does not need a bunch of CFMs, just air flow. You can take an undervolted 80mm fan on a 3ft bong and get good cooling. You do have to add surface area to the inside of the bong. (Plastic scrubbies, a bunched up sheet of plastic screen, brass mesh, ping-pong balls, etc)

    If you add too many CFMs you will start to have water blow out of the top of the bong. You will also drop the temps below dew point (which is raised due to the bong added humidity in the air) which means that you will have to insulate around the blocks like the TEC people do.
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