"Soft Water Buddy" - Remineralization FilterA soft water buddy is a remineralizing filter for people who have or use a water softener, for hard water and especially for people who have a reverse osmosis unit. Ingredients of filtration media consists of 50% Calcite and 50% Corosex. Calcite is a crushed and screened white marble media which can be used to neutralize acidic or low pH waters to a neutral, less corrosive effluent. Clack Corosex is a specially processed hard, bead like magnesia