Slate Coarse Sand

100% natural stone that is safe for your aquarium and has been sourced, sorted, washed, and packaged by our family owned business in the USA.  The color is a gorgeous deep grey.   Each package is a mix of stone from 1/32" to 1/8" (some stones may be slightly above or below this range) An excellent substrate for aquascaping fresh and saltwater aquariums, and planted tanks. The unique color of this stone makes wood, plants and other inhabitants and decorations pop! Perfect scale for model terrain, wargaming miniatures, dioramas, model railways and miniature gardens.  Great as a topper for bonsai, succulents and other potted plants. Pairs perfectly with our larger slate stones and smaller gravel for a cohesive, natural scene.  This substrate pairs perfectly with our larger stone that come in sizes from 1 to 10 inches for a cohesive, natural scene.  As a natural stone, there may be some white or brown/orange surface discoloration mixed in. These beautiful variations add a natura