Fluval Nitrite Remover Foam Insert Block – 4 Duo Pack
Fluval Nitrite Remover neutralizes, adsorbs and traps nitrite and nitrate. Key Features : Chemical filter media Removes harmful nitrite Ideal for for new, heavily stocked and dirty aquariums For best results, replace monthly or as required after testing water with your Fluval test kits Designed specifically for the Fluval Flex, Spec and Evo aquarium series Convenient 4 x Duo-Pack format…