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anti freeze test

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BillyFris
BillyFris Member Posts: 7
in THE MAIN WALL
Will an automotive anti freeze tester work on a hydronic system to check % of concentration. If not can someone recommend one. Thanks

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  • hot_rod
    hot_rod Member Posts: 22,139
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    There are testers for PG type automotive fluid, see if you have that type
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • HVACNUT
    HVACNUT Member Posts: 5,835
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    Get a refractometer for propylene (hopefully) glycol.
  • BillyFris
    BillyFris Member Posts: 7
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    Utility PG is in the system
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,523
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    @BillyFris

    a refractometer is the only tool i know of.
  • BillyFris
    BillyFris Member Posts: 7
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    Advanced Auto has for PG anti freeze and Amazon has refractometers. Thanks for the help
  • HomerJSmith
    HomerJSmith Member Posts: 2,441
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    Buy a refractometer from DHGate.com, Ebay.com or Amazon.com. They are cheap, really cheap and would do the job better than any auto antifreeze tester.
  • hot_rod
    hot_rod Member Posts: 22,139
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    depending on how often you plan on using it, and the quality there is a wide price range for refractometers.

    80 bucks buys a good quality name brand meter.

    Floating ball type are common at automotive suppliers.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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