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Thread: Benefit of pH on the lower side?

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    mariane's Avatar
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    May 2012
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    Benefit of pH on the lower side?

    I was curious.
    Is there any benefit to keeping the pH on the lower side i.e. 7.3 or 7.4?
    It seems to currently hover at that level and I have in the past brought it back up to 7.6.
    I sense there's not much difference between the numbers but was just wondering.
    There is no aerating at this time, just the Polaris sweeper running most of the day. We use liquid chlorine and will be adding borates and salt in the near future.
    Thanks

    FC 5
    CC .5
    pH 7.3 or 7.4 (hard to tell)
    TA 70
    CYA 40 (but the rain might be changing that)
    Borates NT
    Salt minuscule
    16 x 28 Doughboy Mystic Garden AGP with 7' deep end (used expandable vinyl liner) ~11,800 gals. Deep end main drain. Thru-the-wall skimmer, one return at deep end. Media Master 150# sand filter. Doughboy PowerPak II pump, 1 hp. Pentair MinimaxCH 150m natural gas heater. Polaris 65 when it feels like working . TF-100 test kit. No longer 'pool stored' 5 years and counting. In sunny but fickle metro-Detroit.

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    Mod Squad woodyp's Avatar
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    Re: Benefit of pH on the lower side?

    To a very teeny tiny not even hardly worth mentioning level-----I believe that a lower PH makes your FC a bit more effective.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
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    BoDarville's Avatar
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    Re: Benefit of pH on the lower side?

    The natural pH of tears is between 7.3 and 7.4, so keeping in that range may provide some benefit there in terms of a little less eye irritation. The other main benefit of keeping pH in that range is to mitigate high CH levels.
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    mariane's Avatar
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    May 2012
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    Re: Benefit of pH on the lower side?

    Thanks Mods for the quick replies.
    Good to know I can target those levels throughout the summer.
    Since we have a vinyl pool, I no longer even bother to test for calcium. So we're good.
    Water temp 70, so we will be firing up the heater and swimming very soon. If only the air temps would cooperate.
    16 x 28 Doughboy Mystic Garden AGP with 7' deep end (used expandable vinyl liner) ~11,800 gals. Deep end main drain. Thru-the-wall skimmer, one return at deep end. Media Master 150# sand filter. Doughboy PowerPak II pump, 1 hp. Pentair MinimaxCH 150m natural gas heater. Polaris 65 when it feels like working . TF-100 test kit. No longer 'pool stored' 5 years and counting. In sunny but fickle metro-Detroit.

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