GLB Calcium Hardness Up (6 lb) (4 Pack)

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Brand: GLB


  • The calcium hardness level should be 150 - 250 ppm
  • One pound of GLB Calcium Hardness Up will increase the calcium hardness 10 ppm in 10,000 gallons of water
  • Compatible with chlorine, bromine, mineral purification systems, salt water chlorine and ozone sanitizing systems
  • 4 Pack

Details: GLB Calcium Hardness Up increases water hardness to prevent foaming, equipment corrosion, and scaling. Keeping your pool water balanced is an important step in getting the most out of and preserving the life of pool equipment. This product is easy to apply, just pour it directly into the pool. This product is compatible with chlorine, bromine, ozone, salt water pools, and biguanide sanitizers. Product Dosage 1 lb per 10,000 gallons of water will raise hardness level 10 ppm.


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