Pisces Laboratories FM200 Ceramic Rings are suitable for all types of filters. The ceramic rings are used to provide a huge surface area upon which beneficial bacteria may grow.
This bacteria is part of the nitrogen cycle breaking down toxic ammonia to nitrite and then the toxic nitrite into relatively harmless nitrate.
For best results use in conjunction with Pisces Laboratories bacteria:
- ESTABLISH startup nitrifying bacteria
- REFRESH established aquarium PSB
Pisces FM200 Ceramic Rings;
- Highly porous surface area
- Increases biological activity
- Improves water quality
- 400 Grams