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Thread: How do I measure high amts of FC?

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    How do I measure high amts of FC?

    I have the Taylor K-1004 kit. I am dealing with a cloudy slightly greenish pool. I have started the shock process(with bleach), but don't know how to measure the FC/TC levels. My kit only measures up to 5, and the amount is way past that in color!

    I am a total newbie to this. First pool, had it up since the first week in June. So far it was fine, but then it has been used and abused by all the neighbor kids day after day.
    Pool owner since June '11
    18'x48" Intex metal frame, with cartridge filter

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    aa62579's Avatar
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    Re: How do I measure high amts of FC?

    Get a better test kit, take it to the pool store repeatedly, or get a rough estimation by diluting the sample with tap water. Do you know your CYA level so that you know your shock FC?

    I would order a better kit (I have the Taylor K-2006) and while waiting for it to come in, I would dilute my pool water with tap water. Probably 1/3 pool water to 2/3 tap water and mulitply your results by 3. Not very accurate, but might work as a crutch until your kit comes in.
    ~~ Allison ~~
    Intex 18' x 48" Easy Set Pool, approximately 5455 gallons
    Krystal Clear 1500 GPH Filter Pump Model 56635EG - 635 with Auto Timer
    BBB FOR BEGINNERS ~ THIS IS A MUST READ FOR ANYONE OVERWHELMED!!

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    Mod Squad woodyp's Avatar
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    Re: How do I measure high amts of FC?

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    Re: How do I measure high amts of FC?

    I was afraid of that. I won't be able to get to the pool store till tomorrow. So in the meantime here is what I got when I did the multiply by 3 method.
    FC- 9
    TC- 15 (maybe slightly less)
    CC- 6

    Does this mean I need to add more bleach?
    Pool owner since June '11
    18'x48" Intex metal frame, with cartridge filter

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    aa62579's Avatar
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    Re: How do I measure high amts of FC?

    You need to know your CYA level to determine what level you need to bring your FC up to. But with that amount of CC, even assuming wide margin of testing inaccuracy, you need to continue shocking.
    ~~ Allison ~~
    Intex 18' x 48" Easy Set Pool, approximately 5455 gallons
    Krystal Clear 1500 GPH Filter Pump Model 56635EG - 635 with Auto Timer
    BBB FOR BEGINNERS ~ THIS IS A MUST READ FOR ANYONE OVERWHELMED!!

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    Re: How do I measure high amts of FC?

    Thanks! I will add more bleach. I plan to get my new kit in the am.
    Pool owner since June '11
    18'x48" Intex metal frame, with cartridge filter

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    aa62579's Avatar
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    Re: How do I measure high amts of FC?

    If trying to buy in a pool store, make sure it comes with a FAS-DPD kit so that you can measure FC and CC above 10. Most kits do not come this way.
    ~~ Allison ~~
    Intex 18' x 48" Easy Set Pool, approximately 5455 gallons
    Krystal Clear 1500 GPH Filter Pump Model 56635EG - 635 with Auto Timer
    BBB FOR BEGINNERS ~ THIS IS A MUST READ FOR ANYONE OVERWHELMED!!

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    Ohm_Boy's Avatar
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    Re: How do I measure high amts of FC?

    Tap water isn't your best choice, because it, too, is chlorinated. Distilled water would be a better selection for dilution.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

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    aa62579's Avatar
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    Re: How do I measure high amts of FC?

    Quote Originally Posted by Ohm_Boy
    Tap water isn't your best choice, because it, too, is chlorinated. Distilled water would be a better selection for dilution.
    Duh. I was mixing it up in my head with what could be done to test high CYA. Ignore my advice and follow the experts. (Or at least take mine with a grain of salt.)
    ~~ Allison ~~
    Intex 18' x 48" Easy Set Pool, approximately 5455 gallons
    Krystal Clear 1500 GPH Filter Pump Model 56635EG - 635 with Auto Timer
    BBB FOR BEGINNERS ~ THIS IS A MUST READ FOR ANYONE OVERWHELMED!!

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