Water Quality

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    Buffer Charts

    Basically bicarbonate: Carbonate alkalinity is largely in bicarbonate form at normal pool pH ranges.

  • Turnover in Question

    In 1977, the National Sanitation Foundation published a standard for commercial pools to turn over water every eight hours.

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    Why UV?

    As frequent reports about recreational water illness and bacteria outbreaks mount, many commercial pool operators are choosing UV sanitation in order to comply with water quality testing parameters and state mandates.

  • Photo courtesy The Pool Doctor

    Dealing with Discoloration

    Perhaps the most common liner problem is discoloration.

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    Filter Sizing

    A good filtration system for a pool or spa depends on your ability to properly size and select the filter.

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    Basic Pool Water Tests

    Service techs can use three methods to measure chlorine residuals in pools:

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    Reading Water Tests

    Though you think you’re using the most accurate water-test kit available, it still may read incorrectly or differently than expected.


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