Coralife Bio-Balls enable aquarists to maintain large biological loads within much smaller filter areas. The unique geometric design of the one-inch diameter bio-ball creates a valuable, large surface area.
One gallon of Coralife Bio-Balls, (225 balls) has a surface area of approximately 21.5 square feet. This increased surface area supports between 45 and 60 gallons of marine life.
Ideal for us in marine, freshwater, and pond applications.
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