GLB Calcium Hardness Up, 15 lb Bag | 71251A
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Use calcium hardness up to increase water hardness levels, help prevent equipment and surface corrosion as well as minimize foaming.
Features and Benefits:
- Calcium hardness levels should be maintained at 150-250 ppm
- One pound increases calcium hardness 10 ppm in 10,000 gallons of water
- Compatible with chlorine, bromine, mineral purification systems, salt water chlorine and ozone sanitizing systems
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