Approx 1/4 Gallon per bag. In the event of excessive buildup, you may gently rinse with water from an established aquarium, if desired. With the new design of bio-sponge inside, the biological loads are maximized within much smaller filter areas.
Filter Location: Internal
MPN: Does Not Apply
Tank Capacity: 100 gal.
Type: Bio Balls
UPC: Does Not Apply
Water Type: All Water Types
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