coarse media bag

D & D Media Bags are durable, reusable aquarium filter media bags designed to improve filtration efficiency in both freshwater and marine systems. Made from high-quality, aquarium-safe mesh, they provide excellent water flow while securely holding media such as activated carbon, resins, and phosphate removers. Ideal for sump systems, canister filters, and external setups, D & D Media Bags help maintain clear, healthy water with minimal effort.