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    Optimum CYA level

    Thanks for the suggestion on the signature. I just updated. My pool is about 16,000 gallons in direct sun all day. I have thought about it but have never run a free chlorine demand test. I guess I should do the test. You sure use less chlorine than I do.
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    Optimum CYA level

    Your sun and mine are probably similar. Northeast Texas is hot and humid, but not as humid as Houston. I use the CYA granules. I have the larger 8 gallon Liquidator which give me about a week's worth of bleach for vacations. It seems like I need about a gallon of chlorine per day which seems...
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    Optimum CYA level

    We live in Texas and have an outdoor 16,000 gallon vinyl lined pool. What is the optimal CYA concentration to shoot for? Typically I aim for 40 ppm CYA just because 40 is in the middle of the 30-50 ppm target range. This seems like a too-simple reason to target 40 ppm; hence my question. Maybe...