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Thread: Determining Optimal Total Alkalinity then Borates

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    Determining Optimal Total Alkalinity then Borates

    I would like to add Borates but I understand that I need to be sure that TA is correct first. What parameters are used to determine that TA is "optimal" for my pool? Is there something I can read? I understand how to adjust it and its role but not sure I understand when to know it is "optimal".

    Thanks

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    Matt
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    Mod Squad pooldv's Avatar
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    Re: Determining Optimal Total Alkalinity then Borates

    The goal is to get it low enough to slow PH rise but not too low to make the PH unstable and have it bounce around. The usual way to arrive at that is to lower it by 10 and monitor it for a week or two and repeat until PH doesn't rise so much. That number is usually around 60 in a saltwater pool. Mine is 50 right now and it is holding pretty well.

    Keep an eye on your CSI and try to keep it slightly negative, 0 to -0.3. Borate and salt both impact CSI.
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    Re: Determining Optimal Total Alkalinity then Borates

    Thanks, with a new plaster pool, PH is known to climb naturally anyway. Should this be considered in any way or does the TA help with that as well?

    My PH has been climbing slower the last few weeks but still climbing. I know this is not really out of norm for a plaster pool and especially a new one.

    A month ago my TA was 40-50, now 80. If I understand this right, maybe I should move it down to 70 and see how ti goes since 60-80 is the recommended range for SWG.
    Matt
    2016 Pool Build: 12k IG Blue Granite Pebblesheen, Travertine Coping & Pavers, Pentair IntelliFlo, Intellichlor, Easytouch, Clean & Clear 320, Heliocol Solar - TF-100 test kit w/ SpeedStir
    SWG Run Time Calculator

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    Mod Squad pooldv's Avatar
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    Re: Determining Optimal Total Alkalinity then Borates

    Lower TA will help with that. 40 is nearly always too low and 50 is often too low also. You can drop to 70 and see how it goes or just take it to 60 and add borates now.
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