Marina Bio-Clear Slim Filter Cartridge, Zeolite
Online Price $9.97
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Slim Filter Bio-Clear replacement cartridge fits all 3 Slim Filter Models. Ideal for goldfish, it combines zeolite and Ceramitek in 1 cartridge for a healthy aquarium. The zeolite effectively adsorbs toxic ammonia and reduces stress on fish, while the Ceramitek, a highly porous ceramic biological filter medium optimizes biological filtration. The easy to use disposable cartridge should be replaced every two weeks. 3 pack