Seachem Onyx Sand Size:7kg These convenient chews are formulated

These convenient chews are formulated from a blend of fish and hemp seed oil

The center ball securely holds a bully stick

Freeze dried lamb testes

A diversified formula ensures excellent condition and splendid coloration in fish

We then finish it with reflective trim for night time safety and a neoprene lining in the handle for your comfort

Seachem Onyx Sand Size:7kg These convenient chews are formulatedOnyx Sand is a naturally dark gray sand that perfectly complements and enhances the appearance of any aquarium. It supports optimal KH levels for freshwater planted aquariums. Although ideally suited to planted aquaria, it may be used in any aquarium environment. Onyx Sand is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are not necessary. Onyx Sand is not