About This

• Great for any freshwater or saltwater fish tank or mini-reef aquarium. Fish Tank Filter are simply rinse and use.
• Bio balls work as a biological filter media and give a home for beneficial bio-filtration where they can settle and be fed by water and oxygen. They promote gas exchange and increase dissolved oxygen levels.
• Bio ball size: 1.25", Media bag Dimension (each): 10" x 8" , 600 pieces of bio balls in 6 mesh media bag
• For use in fresh & saltwater aquarium and ponds
• BIO-Balls do not require replacement unless damaged or destroyed.