Yeben Aquarium Super Bio Ring YB-204 10L/box

3D structure, excellent porous structure.

High efficiency in culturing bacteria and releasing mineral elements.

Size: 16*16mm

1. Rinse with water before you put it in filter box
2. it’s recommended to take out and rinse Ceramic items every half a year.
3. it’s recommended to use Ceramic items in no longer than 2 years.
4. it’s recommended to replace activated carbon every 2-3months.
5. Neutral media filter, fish for bio filters of all ornamental fish.