Complete Aquatics Bio-Balls Biological Filter Media Size:Bulk 2000 Count water-tight connection for extension cords

water-tight connection for extension cords used outdoors

Provides natural food for fish and invertebrates

natural-looking movements

5" diameter valve allows a flowrate of up to 1

5" Step 8"L x 5

Complete Aquatics Bio-Balls Biological Filter Media Size:Bulk 2000 Count water-tight connection for extension cordsComplete Aquatics Bio Balls are compact, lightweight and long lasting media for biological filters. Their shape facilitates high surface area that promotes beneficial bacteria colonization. Maintain their porosity after multiple seasons of use and are easy to maintain 200 Bio Balls treats 400 gallons with normal bio load 25 square inches of surface area per ball