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  1. N

    Testing for levels

    What kit do i buy to enter the "now levels for pool math grid?
  2. N

    sediment on bottom of pool

    yes ,and rinsing,,it isn't sand,,it's a powdery gray material
  3. N

    sediment on bottom of pool

    Sediment on bottom of pool only collects when I run the filter...also when I vacuum it to waste,it will quickly reappear after a few hours of running again..please help