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Thread: Cloudy pool high cya

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    Cloudy pool high cya

    Been doing pretty good staying on top of pool maintenance. But last week i tested my cya and it was 90-100 which shocked me. Drained some water and added more.
    Testing from today( im shocking now)

    FC-22
    Cya-70-85
    Ph-8.5

    My question is which do i need to tackle first? Get cya down or raise FC to 30? Or get ph in range?
    Thanks
    31' round, 21k gal, AG, sand filter, chlorine

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    Re: Cloudy pool high cya

    Also forgot to mention that I had been using the **** outta some pucks, after investigating i feel that's why cya went up. Didnt realize it made that much of a difference.
    31' round, 21k gal, AG, sand filter, chlorine

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    linen's Avatar
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    Re: Cloudy pool high cya

    What are you using for a test kit?

    Ignore ph when FC is above 10 ppm.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: Cloudy pool high cya

    TF-100
    31' round, 21k gal, AG, sand filter, chlorine

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    Re: Cloudy pool high cya

    I thought I had that in signature......
    31' round, 21k gal, AG, sand filter, chlorine

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    Mod Squad jblizzle's Avatar
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    Re: Cloudy pool high cya

    Tackle the CYA first and then maintain the FC level. As said before, the pH test reads a false high when the FC > 10ppm.
    Jason, TFP Moderator
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    linen's Avatar
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    Re: Cloudy pool high cya

    I asked since your ph number was so high and the tf-100 can only measure up to 8.2.

    Yes, your cya is high and it probably makes sense to lower it down to 50 ppm and then resume the SLAM process (formerly known as the shock process). After lowering cya but before raising your FC back up to it's new SLAM level, I would check the ph (assuming FC is below 10 ppm then) to confirm it is down in the 7.2-7.5 range then resume the SLAM process.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: Cloudy pool high cya

    Ok thanks, and the 8.5 was a guess based on the color of sample......
    31' round, 21k gal, AG, sand filter, chlorine

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