The Penn Plax Ammonia Remover Infused Filter Media Pad is an adaptable filtration solution for ALL filter types. Just cut it to fit your needs! This infused pad provides optimum filtration for the removal of deadly ammonia from your water, reducing the risk of disease and stress for your fish. Its advanced filtering technology improves the water quality of your aquarium or pond.
Directions: Rinse thoroughly with cold water before placing in filter. For best results, replace every 4-6 weeks.