About this item Versatile substrate: This fish tank gravel comes in a variety of sizes (large, medium, small) and colors (white, black), makes a lovely decorative cover for aquariums, succulent planters, terrariums Long Lasting Material: This aquarium gravel will not degrade or cloud aquarium water over time like some calcareous gravels can. Promoting a healthy environment for your fish and other aquatic pets Versatile Use: Suitable for a variety of applications such as potted plants, rocks painting, landscaping, and more, adding texture and style to any outdoor space Easy to Clean and Maintain: The smooth surface of these pea gravel stones makes cleaning a breeze, keeping your aquarium looking fresh and vibrant. Before adding the rocks to your aquarium and fish tank, please wash it with clean water several times Multiple Choices: We offer different weight options from 2 pounds to 20 pounds, making it convenient for you to choose, transportation and use, ensuring sufficient usage for different usage scenarios