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Bio-Balls from Atlantic® are extremely durable, lightweight Bio-Balls that are easy to clean and reduce channeling.
Each BB1500 package comes with 150 individual 1.5" diameter bio balls.
Atlantic Bio-Balls are not flimsy plastic balls; these are robust bio-balls with an extremely high surface area per ball. The 150 bio-balls in each BB1500 package contains over 26 square feet of surface area for the most effective bacterial colonization possible. Each ball is 1½” in diameter and has nearly 25 square inches per ball of total surface area for bacterial colonization.