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SpaGuard Calcium Hardness Increaser 14oz.

SpaGuard Calcium Hardness Increaser Raises calcium levels.

  • 1 tbs. per 100 gallons increases calcium hardness ~25ppm
  • Prevents corrosion of equipment due to low calcium hardness
  • Prevents etching of plaster due to low calcium hardness
 Item #42257BIO

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Regular price: $8.99  Sale price $5.99

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