Seapora Biological Bio Balls - 300 pk Aquarium Ornament 9mm x 30cm-45cm (5/8" x

9mm x 30cm-45cm (5/8" x 12"-18")

Instructions:

Japanese Maple - Red - 18"

907 IU/kg Vitamin E (min) 2

Seapora Biological Bio Balls - 300 pk Aquarium Ornament 9mm x 30cm-45cm (5/8" xBio Balls 300 pk Seapora Bio Balls are durable, plastic spheres designed to greatly increase the surface area present in a wet dry filters. The increased surface area creates a significantly larger area for beneficial nitrifying bacteria to grow on, which in turn helps to increase the amount of biological waste that the filter is able to process effectively. Bio Balls also increase the oxygen level in your tank and encourage gas exchange in your