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    Calcium Carbonate Precipitate [Solved], Cyanuric Acid Levels Falling Dramatically and Can't Maintain Chlorine Levels [Unsolved].

    The title says it all really. Thank you for taking the time to read this post. Any assistance would be greatly appreciated. Calcium carbonate (I have had this tested) is precipitating out of the pool water. Pretty sure this happens when the electrolysis cell is running. Cyanuric acid levels...