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  1. W

    CYA off the chart high

    Thank you, mknauss. This is very helpful.
  2. W

    CYA off the chart high

    Yes, I had to do the dilute test. Thank you for the confirmation if what I assumed. After the water has been replaced, in what order should I test/adjust? FC first? TA first? Then what?
  3. W

    CYA off the chart high

    Pool test results from this morning: Free Chlorine: 28 pH: 7.0 Total Alkalinity: 80 Calcium Hardness: 430 CYA: 200 Water Temp: 85° (Taylor K-2006 test kit) Pool specs: Orlando, Florida 10,000 gal in-ground Plaster Chlorine Variable Speed Pump with pressure gauge My pool calculator reports the...