HTH™ Pool Care Alkalinity Up is a pool alkalinity increaser that raises total alkalinity into the recommended 80-120 ppm range to stabilize pH.

• Fixes the root cause of pH swings: low total alkalinity
• Target range: 60-120 ppm
  
• Protects pool surfaces and equipment from corrosion
• Safe for vinyl-lined, concrete, fiberglass, and saltwater pools
• Add with the pump running, retest after 6-8 hours of circulation

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