A 10" granular cartridge for raising the pH of acidic water to neutral, along with chlorine/chemical reduction and taste/odor improvement, with 1/4" female threads.

GAC/Calcite is a mixture of calcite and coconut shell carbon intended for the remineralization of soft, acidic, or low pH water. Great taste/odor cartridge for use as reverse osmosis postfilter, coffee and tea brewers, distillers, and other water dispensing appliances. Calcite is a natural mineral which dissolves in acidic water to raise its pH to neutral.