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Thread: Should you test the water at room temperature?

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    flyboy320's Avatar
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    Jul 2009
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    Should you test the water at room temperature?

    My pool water is about 70f, and was wondering if cold/cool water will throw off any of the water test results? Would it be best to bring the water sample into the house and let it warm up prior to testing?
    10K gal IG, vinyl, 1 HP Jandy Stealth pump, Jandy CS cartridge filter, Delta UV system, Hasa Liquidator

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    JasonLion's Avatar
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    May 2007
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    Re: Should you test the water at room temperature?

    You want to do the FC, CC, and PH tests with the water straight from the pool without waiting and without warming up the sample. The TA and CH tests can be done right away or wait inside. The CYA test is best done after the water has warmed up to room temperature.
    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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    Join Date
    May 2010
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    New Orleans, LA
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    Re: Should you test the water at room temperature?

    What Jason said...

    and just as an addendum - no matter what temperature it is in the room, it's always room temperature.
    15'x30'x54" oval AG; 12,500 gallons; Aquatrol SWG; Cartridge filter; 2-speed, 2-HP pump; 2 return jets

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    flyboy320's Avatar
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    Re: Should you test the water at room temperature?

    Thanks guys....just what I was looking for
    10K gal IG, vinyl, 1 HP Jandy Stealth pump, Jandy CS cartridge filter, Delta UV system, Hasa Liquidator

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