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    How to do a correct CYA test

    I’m struggling to balance my pool water. I performed a SLAM for almost a week and passed the OCLT, the water still won’t hold chlorine under sunlight, but looks clear and crystal. This made me question my CYA level again. Both Leslie's test and my own showed a reading of around 50 before, and...
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    Hayward T-cell 15 and Balance issue

    I replaced half of my pool water due to the California wildfire couple weeks ago , then I was stuck on balancing with two issues: 1, my pool seem not able to hold chlorine under sun light, I shocked the water with adding liquid chlorine to make FC to 15, ORP reading around 800. then FC gone...
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    Omnilogic reading high salt level with Tcell-940

    My pool is just 2 weeks old, salt was added 1 weeks ago; I have Omnilogic with T cell-940 for SWG, the Omnilogic is displaying salt level for around 4500-4800, both instant salt and average salt are at his arange, then I tested water samples at mutiple local pool supply stores, the results are...
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    Omnilogic issue

    Hi, I just installed Omnilogic system for my pool, which includes wirless remote, HL-CHEM with Co2 system and Turbo-cell 15. So far everything looks working good, excepts two problems as below: 1, Web server control doesn't display balance and survey value, including hardness, alkalinity...