Nitrate Reduction Filter Sponge

18"x10" Chemical filtration media for the reduction of nitrate in the water.It is designed to remove unwanted dissolved wastes in the aquarium.
Reduces nitrate in the aquariums.
Prevention of high nitrate outbreak.
Cut the size of the nitrate reduction filter sponge to suit your filter's size.
Suitable for fresh and salt water.
Directions:
Cut the size of the nitrate reduction filter sponge to suit your filter's size.
Determine the size of your aquarium and the amount of the fish in the aquarium to use the correct amount of the nitrate reduction filter sponge.
For best results change your nitrate reduction filter sponge every two to three months.
Use nitrate test kit to check the nitrate level.