Enjoy clean, balanced water for the whole house. Certified calcite media to neutralize low pH levels and re-mineralize acidic water that is low in minerals. Calcite is a naturally occurring calcium carbonate mineral that is often used to treat acidic water and is completely safe for use with drinking water. The filter makes water less aggressive by increasing the alkalinity of soft water while improving the overall chemical balance and taste. The resulting treated water has higher mineral content which protects your water appliances and pipes from the damaging effects of corrosion. With this filter, you will be able to enjoy more naturally balanced and alkaline water throughout your entire home.