Marina Bio-Carb Slim Filter Cartridge HealthConsideration_Bone Development Not recommended for:

Not recommended for:

and a bumper guard for fish safety

Puncture resistant for continued safe play

Promotes better health

Applicable Lifestage: All Stages

Marina Bio-Carb Slim Filter Cartridge HealthConsideration_Bone Development Not recommended for:The Marina Slim Filter Carbon Plus Ceramic Cartridge combines activated carbon and Ceramitek in one cartridge for a healthy aquarium. The activated carbon effectively removes pollutants and odors, 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. Make sure to never replace all filter cartridges at the same time in order to