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    What is the danger of high CYA and attempts to mask the problems associated with it?

    I am in a running battle with my pool service person. He ignores CYA levels and instead tries to treat problems by doing the following: 1. Algeacide 2. Pool Clarifier 3. Reduction of phosphates. and who knows what else. On testing with my test kit I get: FAC 4 CC 0 Ch 276 Cya 140...
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    Opened pool and any suggestions on what to add and sequence would be helpful

    Just returned to our summer home and need to get the pool in order. Using TFT test kit following are pool readings. Phosphates over 10000 ppb Calcium Hardness 100 ppm Total Alk 40 CYA 40 FC 10 coming down as pool was...
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    Algae Growth pool chemistry seems good

    I have algae growth, starts in hose to pool cleaner, then spreads. FAC 3.0 TAC 3.0 Salt 3300 CH 260 TA 100 pH 8.0, slightly high as maintenance not done for a few days , generally for most part 7.4 7.6 Acid 1 Pho 500 Pool is heated to 83 degress Air temperature 70-85 Sunlight 9 hours...