GLB Calcium Hardness Up - 25 lb

GLB Calcium Hardness Up increases water hardness to prevent foaming, equipment corrosion and scaling. 

Features:

• Helps maintain proper calcium hardness level of 150-250 ppm
• One pound of GLB Calcium Hardness Increaser will increase the calcium hardness 10 ppm in 10,000 gallons of water

Applications:
Normal:
1. Determine calcium hardness level. It should be between 150-250 ppm.
2. If the level is below 150 ppm, add CALCIUM HARDNESS UP by distributing the product over the water surface. 1 lb. of CALCIUM HARDNESS UP will increase the calcium hardness 10 ppm in 10,000 gallons of water.

Compatible With:
Chlorine, bromine, ozone, salt water pools, and biguanide sanitizers.