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Thread: AG Pool Closing with High CYA

  1. #11
    Join Date
    Jul 2013
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    Default Re: AG Pool Closing with High CYA

    Perfect! Yea, sometimes things get combobbled on threads. Good luck!

    A piece of advice, open early. When you think the water temperature may be close to 60 degrees, open. Take a full set of readings and post them. We will especially want to see your new CYA reading.

    You are not a subscriber, so unless you update that, you may have to wait for an answer on recommendations. If so, raise your FC right away and use your best judgement on the rest. Better yet, become a subscriber! You can go to the settings tab, then my account, then subscriptions. A minimum of 14 bucks gets you priority attention.
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO

  2. #12
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    Oct 2013
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    Default Re: AG Pool Closing with High CYA

    Okay, I opened the pool yesterday. Here are the readings:

    FC: 3.2 ppm
    CC: 0 ppm
    pH: 7.8
    TA: 120 ppm
    CH: 60 ppm
    CYA: 45 ppm

    The CYA is down mostly to the fact that I had about a 50% water loss over the winter (heavy snow & ice load) and replaced with tap water.
    Sharkline Escalade RTR 24' x 54" Round AGP; OptiFlo 2-speed pump; Pentair PLM-100 Cartridge Filter; Hayward 250FDN Heater; Taylor K-2006; AquaIlluminator Return

  3. #13
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    Default Re: AG Pool Closing with High CYA

    How does the water look?
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO

  4. #14
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    Default Re: AG Pool Closing with High CYA

    It looks crystal clear! No signs of algae or anything.
    Sharkline Escalade RTR 24' x 54" Round AGP; OptiFlo 2-speed pump; Pentair PLM-100 Cartridge Filter; Hayward 250FDN Heater; Taylor K-2006; AquaIlluminator Return

  5. #15
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    Default Re: AG Pool Closing with High CYA

    Excellent. May I assume you raised that FC to the high-end of your FC/CYA ratio? Like about 6?
    Last edited by FormerBromineUser; 05-26-2015 at 12:29 AM.
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO

  6. #16
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    Location
    Rhode Island
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    Default Re: AG Pool Closing with High CYA

    I haven't added anything to the pool since opening. I was going to let the filter run for a couple of days, which it has now. As soon as I buy some bleach, I'll raise the FC, but should I raise it to shock levels (15) or max (6) or something else?

    BTW, thank you for all your help!
    Sharkline Escalade RTR 24' x 54" Round AGP; OptiFlo 2-speed pump; Pentair PLM-100 Cartridge Filter; Hayward 250FDN Heater; Taylor K-2006; AquaIlluminator Return

  7. #17
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    Default Re: AG Pool Closing with High CYA

    Well, see what your levels are. If FC is within your range for your CYA, you have CC<0.5, and your water is clear, you can just go with your maintenance range. Some people on opening like to do a test overnight to see if they lose FC.

    We are all happy to help!
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO

  8. #18
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    Rhode Island
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    Default Re: AG Pool Closing with High CYA

    I just checked Chlorine and pH again and I did lose a little FC = 2.4 ppm; CC = 0; pH = 7.6. Even though the test tube stays clear after adding the CC reactant, I notice the faintest of "pool smell." There is a lot of tree debris falling in the pool and clogging the filter.
    Sharkline Escalade RTR 24' x 54" Round AGP; OptiFlo 2-speed pump; Pentair PLM-100 Cartridge Filter; Hayward 250FDN Heater; Taylor K-2006; AquaIlluminator Return

  9. #19
    Join Date
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    Default Re: AG Pool Closing with High CYA

    Lordy. I answered the wrong person! Yikes! Sorry about that!

    You still might want to do the overnight test to make sure!
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO

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