Marineland Ceramic Rings Pcml160-360 140pk
- Provide Porous Surface Area for Support of Biological Filtration
- Do not clean with soaps or abrasives and never rinse with unconditioned tap water
- 140 rings
- Provide Porous Surface Area for Support of Biological Filtration
- Do not clean with soaps or abrasives and never rinse with unconditioned tap water
- Bio-rings do not require replacement
Bio-rings do not require replacement unless damaged or destroyed. In the event of excessive buildup, you may gently rinse with water from an established aquarium.