These porous Ceramic Bio Ring's provide a greater air surface for bacterial development and help decompose ammonia and nitrate efficiently.
The ceramic material will withstand any chemical reaction and is suitable for both Fresh and Salt water Fish Tanks and is perfect for use in Internal / External Pond & Aquarium filters.
Please ensure you thoroughly rinse your media until the water runs clear prior to use.
Packed as follows:
400g = 1 x 400g Bag