Fluval Nitrite Remover retains, neutralizes and adsorbs nitrite and nitrate.
Main features :
Constitutes a chemical filtering mass;
Eliminates nitrite harmful to fish;
Ideally suited for newly installed, densely populated or dirty aquariums;
Produces best results when replaced monthly or as needed after testing aquarium water with Fluval test kit;
Is designed specifically for Flex, Spec and Evo Fluval aquariums;
Includes 4 pairs of blocks.