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Thread: co2 - keeping water clean

  1. #1
    Join Date
    May 2007
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    1 hr from everything in SoCal
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    Default co2 - keeping water clean

    Hey guys, I purchased a 40W el-cheapo laser cutter/engraver. After putting in some Thor Labs kinematics and installing a better ventilation system, I really love this thing, inexpensive and very effective. So far, I have just been running store-bought distilled water but I notice algae still manages to make its way in. Is there anything I can use in the water that will not degrade the co2 tube or optics that will help keep down the algae? This is my first co2 laser so, outside of basic laser safety, I don't know the best care and feeding of a co2 tube. BTW, standard chinese sealed tube, not a flowing gas tube.

  2. #2
    Join Date
    Dec 2008
    Location
    Canada
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    972

    Default

    Wonder if a drop or two of household chlorine might
    do the trick. I'm sure someone with more knowledge
    will chime in.

    Jerry
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  3. #3
    Join Date
    Mar 2015
    Location
    Cambridgeshire, England
    Posts
    478

    Default

    You could fit a UV steriliser unit in line, the type used to control algae in ponds.

  4. #4
    Join Date
    Apr 2018
    Posts
    3

    Default

    I run a 10% isopropyl alcohol solution, and it works great. we do the same thing at work with our high power lasers (I'm a laser engineer)

  5. #5
    Join Date
    May 2007
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    1 hr from everything in SoCal
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    Default

    Awesome. Thanks for the suggestion, guys! I will look into a few of these.

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