Biochemical Ball Professional Bacterium Cultivation Balls for Aquariums Fish Tanks16mm / 0.6in 200

Feature: 1. The biochemical cotton has a sheet-like structure and is porous inside, which is conducive to the reproduction and growth of nitrifying bacteria. 2. A larger biochemical surface area accelerates the growth and maturation of bacteria and further improves their biochemical capabilities. 3. Compared with the traditional ceramic ring, it is more durable, the pores are not easy to block, and the use time is longer. 4. Lightweight and portable, it can be used in both seawater biochemical filtration system and freshwater biochemical filtration system. 5. The internal jagged space can extend the water flow and add nitrifying bacteria to achieve the effect of biochemical filtration. Specification: Item Type: Aquarium Bio Ball Material: PP Color: Black Package List: 1 Pack x Biological Ball ( 200 Pcs)