Atlantic's BB1500 contains 150 extremely durable, lightweight Bio-Balls that are easy to clean and reduce channeling. Each ball is 1½ in diameter and has nearly 25 square inches of surface area for bacterial colonization.
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![]() BB1500 - Atlantic 1-1/2" Bio-Balls, 150 pcs. (MPN BB1500) $45.99 $39.99 | 99 Points |