Polypropylene Bio-balls is ideal bio filter media for aquarium.
They promote gas exchange and increase dissolved oxygen levels, then filter the water as the bio-balls combine with organic waste to dissolve it.

Due to the unique geometric design of our bio-balls, the biological loads are maximized within much smaller filter areas.
Great for hatcheries, tropical fish farms, koi ponds, waste water systems, cooling towers, and other commercial & industrial systems.

--Simply Rinse and Use
--Bacteria friendly Polypropylene Construction
--Dense Hole Structure for Nitro-bacteria
--For use with Wet / Dry filters etc. to improve biological filtration
--Perfect for Freshwater and Saltwater Fish Tank, Mini-reef Aquarium or Ponds.
--Easy Maintenance
--Many size and shapes for choosing.

Package Size : 800ml (50 balls)