Olibetta Gravel - Black Pebbles 15-23cm

These very large natural pebbles ranging in size from 15 to 23 cm are a good choice for larger aquariums and aquascapes. They can also be used as single pieces in smaller aquariums orquascapes. They add a calming touch to aquascapes and aquariums with their pleasing rounded shapes.

The natural rounded shapes look especially beautiful in a stream, biotope or a river aquarium. Olibetta natural pebbles are uncoated and water neutral. They do not harden the water. Use pebbles iof different sizes to add variety and an interesting look to your aquascape. They go especially well when used together with Olibetta natural gravel.

The large pebbles can be coated with a spirulina algae paste for your aquarium dwellers to snack on. Please wash the pebbles briefly in cold water before use to wash away dust and debris.

Our expert Oliver Knott recommends:

These beautiful large river pebbles are a great eye-catcher in biotope aquariums and add a calming touch to aquascapes.