[ Ready go to ... https://amzn.to/3EbuTKO [ Amazon.com: Natural Slate Stone - 1/8 to 1/4 inch Slate Gravel | Perfect for Basing Models, Aquariums, Bonsai and Miniature Gardens, 1lb : Pet Supplies] ]
Amazon.com: Natural Slate Stone - 1/8 to 1/4 inch Slate Gravel | Perfect for Basing Models, Aquariums, Bonsai and Miniature Gardens, 1lb : Pet Supplies