Calcium hardness is an integral component of water chemistry. Soft fill water can cause low hardness levels, which leads to the corrosion of pool surfaces and fixtures. 

CALCIUM HARDNESS INCREASER

•  Raises the hardness (calcium) level in your pool to the ideal range
•  Prevents water from becoming corrosive and damaging your pool’s plumbing and heater
•  Stops staining and etching of pool surfaces caused by low hardness levels
•  Great for use in areas where soft water is a problem