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Thread: Water temp when testing

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    Water temp when testing

    I live in New England and due to the long cold winter and cold spring we are having, I will be opening my pool later this year. That being said, I have opened up the skimmers and started the pump. I would like to start balancing the parameters now so they will be ready. IS 45 degree water to cold to get accurate readings?
    21000 gal vinyl lined in ground
    36 sq. ft. DE filter with Hayward 1.5hp VSP
    SWG chlorine
    Massachusetts

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    Charlie_R's Avatar
    Join Date
    May 2013
    Location
    Mexico, MO
    Posts
    2,156

    Re: Water temp when testing

    The only test that I know of that is affected by water temp is the CYA test. All others are fine with that cold water.

    You can do what many of us here have done, and bring your sample inside to let it warm to room temp before taking it out in the sunlight to read it.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    Re: Water temp when testing

    Ahh good idea. Didn't even think of that. Thank you
    21000 gal vinyl lined in ground
    36 sq. ft. DE filter with Hayward 1.5hp VSP
    SWG chlorine
    Massachusetts

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Water temp when testing

    The chlorine and PH tests should be done quickly after taking the water sample. The CYA test after the water warms up. The remaining tests can be done any time.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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