Seachem Onyx Gravel Eheim 2215 with Media Compact and collapsible

Compact and collapsible

For pets up to 26cm height (approx

string or hair

which help promote good urinary health in cats

These omega fatty acids help with the health of joints and coats in cats and dogs

Seachem Onyx Gravel Eheim 2215 with Media Compact and collapsibleOnyx is a specially fracted natural substrate for the aquarium. Onyx is suitable for any marine or freshwater environments and is ideally suited for Cichlid environments. Onyx is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels or sands such as Onyx Sand. Onyx is not chemically coated or treated but does have a slight buffering capacity. Although it is pre washed, because Onyx is a natural product, it