biOrb Marble Pebble Set black
These large solid marble pebbles can be used to decorate or cover the ceramic media without obstructing the flow of water into the filter.
Once in water the colour of the pebbles deepens and shines.
They are made from marble which is a solid stone and won’t cloud the water.
- Rinse before using to removed dust created in transit.
- Suitable for all aquariums.