Decorative and functional substrate for use in aquariums. Aqua Della Aquarium gravel is a decorative and functional substrate ideal for use in aquariums. It is composed of high quality components and does not release harmful substances into the water. In addition, it provides a solid hold for plant roots and an excellent surface for aquarium inhabitants. Rinse with warm water before use. Features:Decorative and functional flooringProvides solid support for plant roots.Made with high quality components.Rinse with warm water before use.