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Calcium Hardness Up
Increase water hardness to prevent equipment corrosion and scaling with GLB® Calcium Hardness Up.
- 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
GLB SYSTEMS ONLY