Sukh Activated Carbon Pellets - Activated Charcoal Bulk Carbon for Aquarium Charcoal Pellets for Waterbox Aquariums Pond Fish Tank (2.7, Pounds)Brand: Sukh Color: black Features: Aquarium Core Use: Activated carbon pellets are designed as high performance aquarium activated carbon filtration media, helping remove odors, impurities and organic residues from fish tanks to keep water clear, fresh and visually clean without affecting aquatic environments Filter Media & Replacement Intent: These activated carbon pellets work perfectly as carbon filter media and aquarium carbon media replacement,