Regal 454g Shock N' Chlor

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Regal 454g Shock N' Chlor


A granular unstabilized chlorine (also known as Calcium Hypochlorite) used for weekly superchlorination (or shock treating) of swimming pool water.

  • Regal 30-60220-45 454g Shock N' Chlor (Cal-Hypo Shock and Sanitizer, Chlorinating granules)
  • Controls bacteria and algae in swimming pool water


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