Pentair Aquatics Biomate Solid Media Balls

Provides maximum surface area with the greatest possible mix of air and water. Cultivates nitrifying bacteria. Promotes gas exchange, increases dissolved oxygen level and removes harmful gases. Will not clog with organic matter. Manufactured of the highest grade thermoplastic material. Totally inert and nonleaching. Surface area: 1 1/2"/ 3.81 cm=13.06 ft2 / 1.18 m2. 1"/ 2.54 cm=21.5 ft2 / 1.94 m2. Recommended usage: One gallon (3.8 liters) BIO-MATE for every 25 to 35 gallons of water (95 to 133 liters). Also available in bulk. BioMate Balls Feature: Higher Surface Area Increase Biological Activity Simply "Pop Open" to Refill Provides Increased Aeration Creates Better Water Quality Can be used Individually or Mixed in Filter Chamber. Color Coded for Easy Service. Foam Filled Balls Feature: Increase biological activity and aeration for superior water quality. Pre-rinse before using 1 1/2" For 35 to 50 gallons of water 2" For 25 to 35 gallons of water