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Thread: Borates and new plaster

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    Join Date
    Jan 2009
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    Southern Nevada
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    Borates and new plaster

    I have new plaster, approx 2 months old, and am considering adding borates. Are there any issues I should be aware of when adding borates to new plaster?
    18,500 gallon, 16' x 38' freeform ig plaster w/ 7 ft spill over spa
    Pentair C&C+ 420 cart, Inteliflo 4 x 160 pump - new plaster on 5/5/09

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    JasonLion's Avatar
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    Re: Borates and new plaster

    I wouldn't add borates for the first 30 days, but you are already beyond that. Adding borates should be just fine at this point.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Jan 2009
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    Southern Nevada
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    Re: Borates and new plaster

    Thank you, I didn't think there would be a problem from what I had read but I thought I would ask.
    18,500 gallon, 16' x 38' freeform ig plaster w/ 7 ft spill over spa
    Pentair C&C+ 420 cart, Inteliflo 4 x 160 pump - new plaster on 5/5/09

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    Guest

    Re: Borates and new plaster

    Just realize that borates will NOT help that much with the pH rise and acid demand from new plaster since that is not from outgassing of CO2 but, rather, from alkaline material being put into the water from the curing plaster.

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    Join Date
    Jan 2009
    Location
    Southern Nevada
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    Re: Borates and new plaster

    I did not expect it to stop the PH rise, thank you for pointing that out. I thought it might make keeping it in line a little more trouble our fill water PH is over 8.2. Refill for evaporations, splash out and the curing plaster rise, MA and I are constant companions. I keep reading, I am as new at pool care as the plaster.
    18,500 gallon, 16' x 38' freeform ig plaster w/ 7 ft spill over spa
    Pentair C&C+ 420 cart, Inteliflo 4 x 160 pump - new plaster on 5/5/09

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