You most likely have a chlorine demand. Double shock with Burn Out every 3 hours until you can hold a free chlorine reading of 1.0 ppm or higher for at least 24 hours. This process will satisfy the demand of chlorine.
You most likely have a chlorine demand. Double shock with Burn Out every 3 hours until you can hold a free chlorine reading of 1.0 ppm or higher for at least 24 hours. This process will satisfy the demand of chlorine.
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