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    pool pilot dig220 /problem/ question

    I have a 220 ver 4.02,SC36 cell, 4200 ppm salt, voltage [email protected] (typ). The cell gets coated with white salt after a few days. I replaced the cell and still have the problem. The book said the polarity needs to change every 4 hrs. I put a voltmeter on the output tabs on the control unit (the...