Model: Ceramic Glass Bio Rings Filter Media
The Bio Rings were Fired by high temperature.
- PH Neutral.
- Suitable for fresh water and sea water tank.
-Do not often change these rings. After six month used, change half of them and use new rings with the rest old rings.
-After transportation, the bio rings may have ceramic dust on surface. Please understand it.
- The new bio rings should be washed with fresh water before usage and then you had better put them in boiling water for 20 minutes.
- After using the rings in fish tank , if the rings need to be washed , wash it with aquarium water , do not use tap or boiled water.