Clarify your water naturally and cultivate beneficial bacteria with these polypropylene bio-balls 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.
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