Calcium Hardness Up

Increase water hardness to prevent equipment corrosion and scaling

Useful Tips

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