1 bio ball,filter media

FILTERING PRINCIPLE OF BIO-BALL

This is a super bio bio-ball with sponge inside,it can not only provides the maximum surface area for nitrifying bacteria growing,but also promotes gas exchange and upgrade oxygen level.It is save for freshwater and saltwater aquarium.  

!)different size of bio ball, pure bio ball and sponge inside bio ball

2)large area for the growth of nitrobacteria

2.we have other different size of bio ball:32mm,42mm,48mm,26mm,36mm,46mm,56mm,76mm

quantity100pcs /inner box

qty/ctn:48boxes

gross weight:12.41kg

net weight:12kg

box size:44.5*30.5*47.5cm

16mm bio ball with sopnge filter