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Thread: Water temperature and testing

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    Join Date
    Oct 2008
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    Yuma, AZ
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    Water temperature and testing

    I have ... (wife dictates) ... to keep my heated pool water temperature at an average of 88 degrees. That means the temperature flucuates between a high of 90 degrees and low of 86 degrees.

    Do these temperatures have any effect on the accuracy of my water test results?
    14,000gal IG Fiberglass pool with 850 gal spill over spa, Whisper Flo 1hp pool pump, Whisper Flo 2hp spa pump, DE filter, Zodiac Clearwater LM3 SWG, "Heat Siphon" Model SX5HP pool/spa heater, a water leveler and a Kreepy Krauly cleaner

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    Mod Squad Bama Rambler's Avatar
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    Re: Water temperature and testing

    Those temps won't have any effect on the tests you run. How are you testing?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Guest

    Re: Water temperature and testing

    Ditto what Bama said, but at those temps, you are giving bacteria a good foundation for growth! You really need to watch your FC levels...

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    Re: Water temperature and testing

    Bama,
    Using the TF 100 testkit ... and doing everything TFT teaches me. Got some different test results within short period between tests and got concerned. Thanks ... now know it was the "tester." salp ... Keeping my FC at 5-6 per TFP balance level for fiberglass SWG pool. Is that a good level?
    14,000gal IG Fiberglass pool with 850 gal spill over spa, Whisper Flo 1hp pool pump, Whisper Flo 2hp spa pump, DE filter, Zodiac Clearwater LM3 SWG, "Heat Siphon" Model SX5HP pool/spa heater, a water leveler and a Kreepy Krauly cleaner

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    JasonLion's Avatar
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    Re: Water temperature and testing

    The correct FC level depends on what your CYA level is. We can't answer without knowing CYA as well. The best thing would be to post a complete set of test results, since there are other possible dependancies as well.
    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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    Oct 2008
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    Re: Water temperature and testing

    Jason,

    Today's Test:

    FC - 6
    CC - .5
    TC - 6.5
    pH - 7.5
    TA - 100
    CH - 250
    CYA - 60+
    Salt - 3850
    14,000gal IG Fiberglass pool with 850 gal spill over spa, Whisper Flo 1hp pool pump, Whisper Flo 2hp spa pump, DE filter, Zodiac Clearwater LM3 SWG, "Heat Siphon" Model SX5HP pool/spa heater, a water leveler and a Kreepy Krauly cleaner

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    JasonLion's Avatar
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    Re: Water temperature and testing

    FC at 6 is a little high, but probably a good idea since CC isn't zero. When CC goes back to zero, you can lower FC down to around 4.

    This is fairly minor, but it would be a good idea to let TA come down to around 70, or perhaps a little lower. There is no need to actively lower TA. It will most likely come down on it's own. Once it comes down, your PH will be a bit more stable.
    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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