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    Engine changed its tone

    Hi, TFP! My motor changed its pitch this week. It is a much higher tone than it used to be. Also, it appears that only one of three jets are flowing. I know it's hard to diagnose in a forum, but I thought I'd give it a shot before going to the dreaded pool store. TIA
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    Where is my CYA?

    I was fighting high CYA last year and, through draining, got it under control. Thanks to this forum, I knew what to do. (Drain and fill and drain again.) Now I have the opposite problem. I am getting no / barely detectable CYA reading on my test. The first time I noticed the low level, I...
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    Should you ever completely drain your pool?

    Living in Mesa, AZ, it's common knowledge that your pool should be completely drained and the water replaced every 1-5 years, depending on who you ask. We have very hard water and the thought is that combined with the chemicals that are added require a complete drain and refill periodically...
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    Water green, pool man says I need to change sand

    I recently fired my pool man, as I had a hard time believing him. He claimed that, because my pool was replastered twice, that caused the sand to get clogged up and I need to replace the sand. Actually, he said I needed to replace my entire filter (five years old). Then he said my laterals...