API Bio-Chem Zorb Pouch - For Freshwater & Saltwater Aquariums

API BIO-CHEM ZORB SIZE 6 Aquarium Canister Filter Filtration pouch uses superior resins and activated carbon to clean and clear aquarium water, removing aquarium pollutants such as colors, odors, and heavy metals. The research-grade resin-carbon blend is up to 3x more effective in clearing water than carbon alone. API BIO-CHEM ZORB corrects poor water quality caused by pollutants that can suppress a fish's immune system, leading to disease or death. Replace every two months, or sooner if aquarium is heavily stocked or colors/odors are detected. Can be used to remove medication from water once disease treatment is completed. Contains one large pouch of API BIO-CHEM ZORB, treats up to 55 US gal of aquarium water. With API aquarium products, its easy to keep a beautiful saltwater, freshwater or reef aquarium. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because were dedicated to making a better underwater world. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too.