Also, just to be sure you are at 100ppm on CYA, try to dilute your pool water 50/50 with bottled water and repeat the test. There is a good chance your CYA is above 100 ppm, which would make shocking very difficult.
Also, just to be sure you are at 100ppm on CYA, try to dilute your pool water 50/50 with bottled water and repeat the test. There is a good chance your CYA is above 100 ppm, which would make shocking very difficult.
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24' Round AGP, SWG, 0.5hp pump, 250lb sand filter,
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