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Thread: Pool being filled

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    pooly1's Avatar
    Join Date
    Mar 2012

    Pool being filled

    Not sure if this is the right area to ask. Pools getting filled tomorrow with city water so a small amount of chlorine will be present. Im zip out of chemicals so based on my pool size what should I go pick up?
    16 x 32 Inground Vinyl 21000, 2 returns, 1 skimmer, 1 main drain. Raypak Heater, Crystal Flo Sand Filter

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    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: Pool being filled

    Have you tested your fill water? You may need acid to lower pH, or you may need Sodium Carbonate or Borax to raise it. Or maybe nothing. The only way to know is to test it.

    You will need some stabilizer aka CYA aka cyanuric acid
    You will need some bleach. Might as well pick up a few gallons; you'll be using it all up eventually.
    Or you could try chlorinating, initially, with di-chlor shock, which will take care of both of those.

    I suggest you test the fill water then plug the numbers into the pool calculator and let it tell you waht to buy. I'd also recommend Pool School, especially this article.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    elwood58's Avatar
    Join Date
    May 2012
    Sun City West Arizona (2nd Home)

    Re: Pool being filled

    Most of the Chlorine in City water seems to be in the form of CC, which will not do you much good. As stated, you need to check the pH of the fill water and be prepared to adjust. Have some bleach and muriatic acid on hand. You will also want to get some CYA to add after you get things initially balanced.
    19204 Gallon L Shape with a 10X10 2nd Step Baja Ledge. Intellichlor IC-40, IntellipH, Cartridge Filter, Pentair Heater/Chiller (Heat Pump). Tons of Deck with Deck Jets. Construction Complete 6/5/17.

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