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Thread: Test Result Numbers

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    Test Result Numbers

    Hi all,

    I've been keeping up so far with the pool but have just completed about 8 days of heavy useage. 5 nephews and assorted others have probably taxed it pretty good.

    My numbers this morning are the following:
    FC=2.5
    CC=.5
    TC=3.0
    pH ~7.2
    T/A=60

    I had added ~ 1/2 gal of 5.25% bleach earlier before testing. In previous testing I didn't register any appreciable CYA.

    Any insight would be greatly appreciated.

    Our weather in the NE has been hot, hot and muggy and the heat looks to continue.

    Thanks much,,,,,,,
    Ct. Pooler
    16x32 IG ~ 23k gal
    Vinyl lined concrete sloping hopper deep end
    Hayward DE 36ft2
    Hayward BA heater not being used
    Gales Ferry Ct.

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    duraleigh's Avatar
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    Apr 2007
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    Re: Test Result Numbers

    Tell us how your water looks.

    What is your CYA level?

    Are you having water quality issues?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Butterfly's Avatar
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    May 2007
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    South Carolina
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    Re: Test Result Numbers

    Since you were unable to get a read on your CYA test, it is either all gone or very low. I suggest you add about 30 ppm CYA and retest in a week.

    After the CYA has dissolved, assume it is your new CYA level and maintain chlorine accordingly (min. 2 target 4 to 6)
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    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

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    Re: Test Result Numbers

    Dave & Butterfly,

    I did omit that I have what I think is an accurate reading of 30 CYA. The water is cloudy at present. I had been adding chlorine stabilizer but I am out and need to get some more.

    Thanks again,
    Ct. Pooler
    16x32 IG ~ 23k gal
    Vinyl lined concrete sloping hopper deep end
    Hayward DE 36ft2
    Hayward BA heater not being used
    Gales Ferry Ct.

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    frustratedpoolmom's Avatar
    Join Date
    May 2007
    Location
    SWSuburban Chicago, IL
    Posts
    11,965

    Re: Test Result Numbers

    Your PH and TA are on the low end of acceptable and the low PH could cause some irritation. I'd suggest some Borax to get it to the mid 7s.
    Then I'd add enough FC to reach 10, and then tonight do an Overnight Loss test to see if your FC is holding overnight. If it doesn't you should shock, considering the cloudy water.
    (this all of course assumes you will go ahead and raise the CYA level.)
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    svenpup's Avatar
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    Sacramento, CA
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    Re: Test Result Numbers

    Quote Originally Posted by hillerji
    ...I did omit that I have what I think is an accurate reading of 30 CYA. The water is cloudy at present. I had been adding chlorine stabilizer but I am out and need to get some more...
    Your wording here concerned me...CYA is the same thing as "chlorine stabilizer". When you say you are getting more, what is your CYA target?
    TFP Method Advanced Intermediate
    • 17,500 gallons - In Ground - Plaster - Hayward Swimclear 3020 Cartridge Filter - Sta-Rite Max-E-Glas Main Pump upgraded with A.O. Smith B2980 E-Plus New Centurion Two-Speed Motor - Polaris 280 Cleaner with Polaris PB4-60 Booster Pump - TightWatt2 Timer - Taylor K-2006 Test Kit - Pool Pilot Digital Nano SWCG

    Helpful Links: Pool School, BBB for Beginners, How to Shock (hint...it's a process not a product), Chlorine/CYA Chart, Jason's Pool Calculator

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