Worldwide Imports Aww30205 Natural Gravel 5-Pound Variety Custom Blend (Pack of 1) Natural Gravel. 100-percent Acrylic Coating. Will not alter the chemistry of your aquarium water. Non-toxic. Colorfast. Fresh and Saltwater Aquariums. Ponds. Terrariums. Gardens. Potted Plants. Vases. Ash Trays. Crafts and Hobbies.
