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BioGuard SPA Shield raises calcium hardness to help prevent corrosion of equipment and etching of surfaces.

  • Minimum 740g/kg calcium chloride.
  • Increases calcium.
  • Helps prevent corrosion of equipment.
  • Helps prevent etching.
  • Classified as Non-Dangerous Good.
  • Protects spa surface and equipment.
  • Assists in maintaining calcium hardness levels


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