A premium quality activated carbon in pellet form, offering characteristics desirable to all marine and freshwater aquarium hobbyists, and featuring a high capacity for the removal of latent organic material from water, with minimal impact on pH. Promotes water quality by removing dissolved organic material, hence encouraging higher oxidation-reduction potential (ORP). Features high capacity for organic removal (high molasses number), high iodine and molasses number, low ash content and minimal dust. Average particle size encourages optimal flow and effectiveness. May be employed in canister or passive filtration. For use with both marine & fresh water.