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    Black algae now looks like brown stains- when will they go away?

    Hello, First, here are the stats for my pool: 25K, white plaster, DE filter Alkalinity: 90 PH: 7.4 CYA: 40 Chlorine: 1 I've been treating my pool for going on three weeks now. I did a SLAM, treated with black algaecide, did another SLAM and am adding a weekly maintenance dose of black...
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    Check Valve from In-line Chlorinator to Heater Rusted Out

    It has been a while since I've visited this site. I learned so much from it when I first became a pool owner. Unfortunately I am now returning with a concern/problem. I had my pool closed last year (2010) by a reputable pool company (I'm not sure if I'm allowed to say their name.). During...
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    CYA Level and Evaporation

    Hello, This is a simple question, but I couldn't find any previous posts referencing it. Perhaps the question is too simple. Any way...as my pool water evaporates and is replaced, will my CYA levels drop or does evaporation simply leave less water with a higher concentration of CYA...
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    Solar Sun Rings

    Hello All! I am considering Solar Sun Rings to help heat my pool. From what I've read they work great, but there is the PITA factor. My pool probably requires 16 rings to get the 70-80% coverage recommended. Since my family is in and out of the pool throughout the day, having to remove all...