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Thread: My CYA was 60 on May 11, it is 20 today

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    My CYA was 60 on May 11, it is 20 today

    I was going to post a similar question- My CYA was 60 on May 11, it is 20 today. I live in az, but it has not been too hot yet, very little apreciable rain, and not much splashing water out of the pool, yet. I do have an automatic leveler, so there could be a leak (pool < 1 year old). I though that when my salt level dropped a few moths ago, but it stayed at the same level over several weeks. There is a water feature which splashes some water out, running most of the time. do I need to worry?
    16 K gal pool & spa, concrete (pebblefina), Jandy aquapure SWG, Jandy pda-PS3, PV3 infloor cleaning. built 2011, scottsdale,az

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    JasonLion's Avatar
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    Re: My CYA was 60 on May 11, it is 20 today

    How are you testing CYA? Some of the tests can be wildly inaccurate, especially test strips.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: My CYA was 60 on May 11, it is 20 today

    What was the water temperature then, and now?

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    Re: My CYA was 60 on May 11, it is 20 today

    These numbers are all from Leslie's. the temp was probably 78 before and 84 ish now.
    16 K gal pool & spa, concrete (pebblefina), Jandy aquapure SWG, Jandy pda-PS3, PV3 infloor cleaning. built 2011, scottsdale,az

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    duraleigh's Avatar
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    Re: My CYA was 60 on May 11, it is 20 today

    These numbers are all from Leslie's.
    No further explanation required and points out, one more time, the vagaries of pool store testing.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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