DIY Nitrate Remover Filter Foam Sponge Sheet for Aquarium Fish Tank Pond
This foam is designed to remove Nitrate from the aquarium water. You are purchasing a 45 x 25cm (18" x 10") Sheet of Nitrate Remover Filter Foam. Werken Nitrat Entferner Filter Schaum Schwamm Blatt Für Aquarium Teich.