Seachem Onyx Sand Size:7kg A diversified formula ensures excellent

A diversified formula ensures excellent condition and splendid coloration in fish

Trouble and Trix ensures you will always win your cat’s affection

this outdoor toy will provide your dog with endless enjoyment

Made with pure wild tuna

Seachem Onyx Sand Size:7kg A diversified formula ensures excellentOnyx 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