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Thread: FAS-DPD testing during SLAM

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    Join Date
    Aug 2015
    Location
    Orlando
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    113

    FAS-DPD testing during SLAM

    Is it normal for the testing never to get to really clear? Seems at higher FC levels the best I get is a grey solution with bits of black floating in my 10 ml sample. Definitely starts red, but never goes clear. this doesn't happen when I was testing at levels FC 3-5 ppm, just during slam. Using speedstir, also.
    Never finding any CC's either in testing, adding 5 drops to the grey solution doesn't turn red at all.

    Are my results normal?

    Thanks much
    Phil
    ~9600 gal gunite pool, NEW July 2015; Pentair Intelliflo 2 VST pump; Pentair C&C 150 filter; Pentair Intelliclor IC40 swg; solar heat w/ Pentair Solartouch controller, screened. Taylor K 2005 test kit, FAS-DPD separate test, Taylor K1766 salt test

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    Mr Bruce's Avatar
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    Mar 2014
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    Greenville, SC
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    Re: FAS-DPD testing during SLAM

    Yes, it's normal. As soon as there is no more pink you are done.
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    Join Date
    Aug 2015
    Location
    Orlando
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    113

    Re: FAS-DPD testing during SLAM

    Thanks for confirming I was doing it right.
    Phil
    ~9600 gal gunite pool, NEW July 2015; Pentair Intelliflo 2 VST pump; Pentair C&C 150 filter; Pentair Intelliclor IC40 swg; solar heat w/ Pentair Solartouch controller, screened. Taylor K 2005 test kit, FAS-DPD separate test, Taylor K1766 salt test

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