Recent content by paulv

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    cyanuric acid dissapation

    had a customer that opened his pool this spring and the cyanuric acid level was zero and had a chlorine demand. When pool was closed last fall his cyanuric acid level was75ppm. What happened over the winter?
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    calcium hardness

    Can low calcium hardness damage a vinyl liner?
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    Chlorine Demand

    Soil bacteria Thank you for your response to chlorine demand. I would like to know what "soil bacteria" is that causes the breakdown of the CYA
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    Chlorine Demand

    We're a retail pool chemical store in the western New York region and experience homeowners developing chlorine demand upon opening their pool in the spring. Why is this so prevalent at this time of year? Thanks
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