SpaGuard® Calcium Hardness Increaser 12oz


Balance your water to prevent problems

Keeping the right balance of your hot tub water is necessary. Balancers control scale, adjust pH and total alkalinity and correct mineral imbalances.

Protect hot tub and equipment for longer life

  • Prevents corrosion of equipment
  • Prevents degradation of hot tub surfaces
  • 1 tbsp. per 100 gallons increases calcium hardness ~25 ppm