ClearSpa 104 Calcium - 2 lb

Sale price Price $6.00 Regular price

Clear Spa Calcium

Calcium is required in a spa to help prevent corrosion of metal fixtures if too low and or a scale condition if the calcium hardness is excessive. When applied properly Calcium prevents damage to spas and the equipment.


  • Calcium Increaser
  • Raises calcium in spas and hot tubs
  • Prevents corrosion to equipment
  • Granular formula


  • 2 Pounds

Active Ingredients:

  • Calcium Chloride 100%

Dosage Amounts:

  • Example: Add 1 tablespoon of Calcium Increaser per 400 gallons of spa water to raise the calcium level by 25 ppm.
  • Complete dosage chart can be found on the bottle.