Olibetta Gravel - Rio Negro 5-8mm

With its natural colours, the Olibetta natural gravel in the grain size of 5-8 mm is a great choice.

The varied grain provides beautiful effects. You can use the gravel as the sole substrate or use it with the same colour in a different grain or in different colours. Every Olibetta natural gravel or sand can be perfectly combined with it. Make your aquarium a unique piece of art!

The slightly coarser natural Olibetta gravel provides a great relaxing look in the aquascape, but also in small community aquariums, art basins or plant aquariums. The rounded edges of the pebbles can not hurt your aquarium fish and invertebrates.

A substrate with Olibetta natural gravel for aquariums is not only very decorative, the gravel layer acts as a natural biological filter. It removes pollutants from the water in your aquarium or aquascape and improves the water quality. The natural gravel should be thoroughly rinsed with cold water before use to remove any abrasive debris and dust.

Our expert Oliver Knott recommends:

This coarser grain size is great for larger pools, but you can also loosen up your layout in the aquarium or aquascape or emphasize individual areas with it.