- PET plastic container with media bagFluval Carbon—a premium, research grade, low-ash carbon—improves water clarity andcolor, while also removing odors. Highly porous, it provides large amounts of surfacearea for adsorption of impurities. It effectively removes heavy metals, odors,discolorations, organic contaminants, and pollutants to leave your aquarium watercrystal clear and sparkling. This product does not release phosphates.Carbon loses its activity without outward sign. Replace monthly to ensure that activeadsorption is maintained.Carbon should always be removed when medication is being administered in aquariumwater. Also, because carbon will adsorb a large percentage of the nutrients in plantfertilizer products, it should be used carefully when keeping live plants. For freshwater and marine environments.Premium select media for use in Fluval Canister Filters, ideal for all filters.
