Price: $9.64
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(4+ 5% off)
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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.
