The Omnipure K2550 Cartridge contains a mix of 70% Calcite and 30% Corosex media
Calcite is a crushed and screened white marble media which can be used to neutralise 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.
Use Calcite only for pH levels 6.0 - 6.8.
Use Calcite/Corosex for pH levels 5.5 - 6.0.
Dimensions: 10" x 2"
Filter Life: 6 months