Aqueon Activated Carbon Filter Media provides essential chemical filtration for both freshwater and saltwater aquariums. This powerful media is designed to remove a wide range of organic pollutants and undesirable waste products from your tank water, ensuring a cleaner and healthier environment for your aquatic inhabitants. This 1lb package of activated carbon effectively reduces unpleasant odors and eliminates water discoloration, significantly improving the overall clarity and appearance of your aquarium. It is highly versatile and can be utilized with various types of filtration systems, including hang-on-the-back filters, internal filters, canister filters, and sumps, making it compatible with many popular setups, including Aqueon Canister Filters. Ideal for reef keepers and fish enthusiasts looking to maintain pristine water quality, this activated carbon is a fundamental component for any successful aquarium. Regular use helps to remove dissolved organic compounds that can build up over time, preventing issues like yellowing water and promoting a more stable and vibrant ecosystem for your fish and corals.