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Thread: Indoor salt water pool

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    Indoor salt water pool

    Questions for the smart people. I am trying to help someone that has an indoor salt water pool. Do indoor pools need stabilizer? How do determine what levels should be?
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    Mod Squad YippeeSkippy's Avatar
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    Re: Indoor salt water pool

    Yes, indoor pools need a minimum amount of stabilizer. I believe 20ppm or so helps buffer the chlorine. Many just consider cya as an agent to protect the chlorine from sun but indoor pools benefit in other ways.
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    Re: Indoor salt water pool

    If it is 60ppm for cya would that be ok, and it is a indoor salt water if that makes a difference
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    Mod Squad jblizzle's Avatar
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    Re: Indoor salt water pool

    That is fine, just more than you need. Just maintain the proper FC level and you will be good.
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    Re: Indoor salt water pool

    proper free chlorine reading for salt water pool would be?
    Can I use the pool math for salt water
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    Saturn94's Avatar
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    Re: Indoor salt water pool

    When you say it's a salt water pool, are you using a SWCG to produce chlorine, or are you manually chlorinating and have added salt for better water feel?

    The recommended FC level for manually chlorinated pools is different than SWCG chlorinated pools, hence the question.
    20k IG vinyl liner/Aqua Rite SWCG, T-15 cell/Hayward Pro Grid 6020 DE filter/Polaris 280 with booster pump/Hayward Superpump 1 hp/city water/pool installed March 2004

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    Re: Indoor salt water pool

    SWCG to produce chlorine
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    Mod Squad jblizzle's Avatar
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    Re: Indoor salt water pool

    PoolMath lists the minimum FC level for your CYA for SWG pools, or use the chart in Pool School.
    Jason, TFP Moderator
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    Isaac-1's Avatar
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    Re: Indoor salt water pool

    I keep my CYA at between 20-30 ppm for my indoor pool, I find that given the wide gradiations on the test cylinder that targeting somewhere in this range is easiest. Over enough time by not using any stabilized chlorine or stabilizer the CYA in the pool you are dealing with will slowly fall, but all should be ok maintaining the appropriate FC/CYA ratio until then.

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    Saturn94's Avatar
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    Re: Indoor salt water pool

    Quote Originally Posted by Bowlin View Post
    SWCG to produce chlorine
    At 60 CYA with a SWCG your target FC level is 4

    Pool School - Chlorine / CYA Chart
    20k IG vinyl liner/Aqua Rite SWCG, T-15 cell/Hayward Pro Grid 6020 DE filter/Polaris 280 with booster pump/Hayward Superpump 1 hp/city water/pool installed March 2004

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