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Thread: When are you testing for chlorine?

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    When are you testing for chlorine?

    I test chlorine and pH daily, usually first thing in the morning. My pump/swg have been of for at least 12+ hours when I'm testing, should I be testing while pump/swg are running or shortly after vs. when I'm currently testing? I turn my pump on immediately after my morning test.
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    Mod Squad woodyp's Avatar
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    Re: When are you testing for chlorine?

    You should test after the water has had a chance to mix a little bit.
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    Mod Squad JVTrain's Avatar
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    Re: When are you testing for chlorine?

    I always test after my pump has been running for at least 30 minutes.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
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    Re: When are you testing for chlorine?

    So you're testing shortly after the pump has started vs. the end of the daily run?
    SUMMER 2015 BUILD IG gunite 38 x 31, 28,000 gal, 110' perimeter, Intelliflo VS, Whisperflow 3hp, Intellibrite LED x2, Clean & Clear 520, Screen Logic, Intelichlor 40, Quartzscape Blue, K-2006C, Speedstir, Aquanaut 400 (4 wheel The Pool Cleaner)

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    Mod Squad JVTrain's Avatar
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    Re: When are you testing for chlorine?

    My pump runs two different sessions of about 3 hours each. If I need to test, I test any time in those two sessions after it's been running for at least 30 minutes. If I need to dose and I've happened to test at/near the end of a session, I'll extend the run time by 30 minutes.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

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    Mod Squad woodyp's Avatar
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    Re: When are you testing for chlorine?

    The benefit od testing end of day is in having your FC levels high enough to be sanitizing over night vs. being at minimum levels.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

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