Akwa Bio Octa Plastic Biological Filter Balls 500G

Description

Akwa plastic Octa plastic biological filter balls come with many little ridges and openings built into them for beneficial bacteria to grow. The purpose of bio balls is to house and grow populations of nitrifying bacteria for your aquarium. In essence, bio balls are the filtration media which every fish tank out there needs to have. They are critical to have for any aquarium.