what does a calcite filter do

As it touches the calcite, calcium carbonate is dissolved into the water, increasing the pH of the water. Using Calcite Filters to Correct pH Calcite is a naturally occurring calcium carbonate media. Should I Use a Non-Backwashing Upflow Calcite Neutralizer or a Do not fill more than 3/4ths full, about 2/3 full is best. The filter media corrects acidic water conditions as well as removing its corrosivity by increasing its pH value. // --> ,