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    Ph testing of solar circuit (2 Posts)

  • DD DD May 10, 2011 @ 1:02 PM
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    Ph testing of solar circuit

    It's time to go out and maintainance check  the solar installs I did a couple of years ago. Both are closed loop Caleffi systems with Dow glycol.
    I need a reliable, easy to carry, cost effective test kit for Ph etc...
    Any suggestions?
    Double D
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  • hot rod hot rod May 10, 2011 @ 3:41 PM
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    here are some choices

    check here for the glycol tester to show freeze protection. Shop around prices vary.

    www.misco.com/category.php?categoryid=24

    For ph I use a Hach electronic pocket meter. Extech is another brand in the 100 dollar range.

    hr
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