This high alkalinity cartridge removes acidity from your reverse osmosis drinking water by raising the PH from 4.5 to neutral.
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. Corosex is a specially processed hard, bead-like magnesia, adapted for use in filters to neutralize acidity by increasing the pH value.