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Thread: Benefit of high CYA and chlorine

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  1. #1
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    Default Re: Benefit of high CYA and chlorine

    Follow-up question. I read that the ph test will be inaccurate in the presence of high chlorine. Some say it will be higher than reality or that the test will be "bleached out" (whatever that means). So if my ph test says 7.6 is it really less than that? I have another thread about "Sand in the bottom of my pool". With the forum's help I determined that the "sand" was actually the finish being etched due to low ph. I got my ph up and the amount of material I'm seeing is less every day. Should I be shooting for a higher ph in the presence of high chlorine? (FC=13.0, CYA=80).
    In-ground gunite 16 x 30 13,000 gal. Full screen enclosure. 120 sq ft. Filter cartridge, 1-1/2 HP pump. Master Pools In-floor cleaner. Taylor K-2006.

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    Default Re: Benefit of high CYA and chlorine

    High chlorine does make the pH test read falsely high but with the K-2006 kit, you can get an accurate reading as long as the chlorine is below 15. Keep pH between 7.2-7.8 and you will be fine. (I like mine to be 7.4-7.6.)

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