Bio sphere are more flexible to organise and due to the sphere shape it leaves more room for water to circulate around the media for maximum filter efficiency. Hundred of tiny ceramic beads forming the bio sphere with Nano boding technology makes the bio sphere extremely porous yet strong.
1 bio sphere at 32mm diameter contains around 220-250 thousand beads, it is equivalent to around 54 square meters of surface area. Each sphere is rated to treat approximately 10L of aquarium water effectively.
500g of bio sphere contains 21 pieces of the bio sphere.