Seachem Onyx Gravel Size:7kg Designed for heavy-duty

Designed for heavy-duty

Ideal for medium-sized to large dogs

non-toxic materials for long-lasting use and easy cleaning

Gradually and steadily lightens stained area under dogs’ eyes

tight quilting stitch designed with nylon rip-stop backing

Seachem Onyx Gravel Size:7kg Designed for heavy-dutyOnyx 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