Keep your companion’s water column clean with Cobalt Aquatics Super Pellet Aquarium Carbon. This pelleted carbon for aquarium filters is designed to remove dissolved organics， odors and colors. It is made using premium pelletized carbon with a high pollutant removal strength that’s great for both freshwater and saltwater aquariums. This pelleted carbon is crafted with a large grain size to help reduce debris build-up and extend the life of the media. It is ideal for canister filters and other devices where water flow is important for your aquatic amigo.