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My CO2 misting experiment

Discussion in 'CO2 Enrichment' started by Henry Hatch, Jun 26, 2008.

  1. Henry Hatch

    Henry Hatch Guru Class Expert

    Aug 31, 2006
    Likes Received:
    Local Time:
    4:38 PM
    I tried a co2 misting experiment I would like to share. It's very simple. I took a length of rigid airline tubing and melted the end shut over a candle. While the plastic was still soft I stuck a pin in the end and left it in place until the plastic hardened and then pulled the pin out. I attached the rigid tubing to my co2 line and stuck it in an uplift tube with a power head on top. I got what appeared to be a fine mist and so far the co2 levels seem to be holding up.

    This is a 20 gallon tank with diy co2. I had tried limewood air diffusors, but the low pressure was a problem.

    I wanted to try something that did not require modifying impellers etc. I would be interested if some of you who have used other methods such as a needle wheel impeller tried this and could compare the two.
  2. Tom Barr

    Tom Barr Founder
    Staff Member Administrator

    Jan 23, 2005
    Likes Received:
    Local Time:
    4:38 PM
    If you can increase the dwell time inside the impeller housing, then you get better mist. If you make the intake more like a compress throat on a mazzei, you will get better draw and thus better misting. Higher flow rates will also do this.

    Tom Barr

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