Hardness Increaser

Hardness Increaser is Ideal When Soft Water is a Problem

Use our Hardness Increaser to boost the hardness (calcium) level in your swimming pool water to the ideal range. Prevents water from becoming corrosive and damaging your pool's heater and plumbing. Stops staining and etching of pool surfaces caused by low hardness levels.

Recommended dosage: 5 lbs. treats 10,000 gallons to raise hardness approximately 40 ppm