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    How to change sand in a Hayward Pro Series 300 lb s224T

    What is the best way to change sand in this filter?
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    How do you clean a pool filter?

    How do you chemically clean a pool filter? What is the best way to change the sand? Hayward Pro Series 300 lb s224T Sand filter
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    Green algae

    My neighbor has a green swamp. Cya was 50. Took FC level to 20. Can see the bottom steps after 24 hours. Rechecked cya. Cya is a solid 65. Stopped using tabs. Taking FC level to 28. Any suggestions. Right now. fc 20 cc 2.5 ph 7.4 alk. 80
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    PH

    Using the BBB method. This is the best method I have found. Use allot of chlorine. Ph in check @ 110 alkalinity. Then PH goes high?? Off scale. It took 1 gallon of muriatic acid to bring ph down to 7.4. It dropped my alkalinity to 60. Had trouble at the end of summer controlling high ph. How...
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    PH High

    PH is off the scale. In the red. Added a gallon of muriatic acid. This also lowers my alkalinity. How do I get my PH down and alkalinity (60) up.
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    liquidator

    Where is the best place to buy a liquidator, or is there something else I can use besides a SWG. 25,000 in ground
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    Testing CYA

    Whats the best way to test CYA. I have theTF100 test kit. Hold the test tube at waist level until you see the dot disappear. (Completely). Looks like the test could vary at least 10. Is there a better way to test CYA? What would be a good level to have cya? Right now I'm thinking mine is 50 -...