Chemi Pure - Original - 5 oz. (treats 25 gal)
Chemipure has remained a revolutionary product for over 50 years, and practically all aquarium fiter media have been molded after it! Large aquariums or small, Chemipure produces consistent results that make it easier to maintain a beautiful and healthy aquarium. Chemipure can be used with all water types as a chemical absorption filter, ion generator and exchange unit to positively keep pH at a perfect and constant level.