Black Natural Quartz sand that makes any fish, snail or décor pop in a planted fish tank. MADE IN U. S. A. and 100% Natural. Helps simulate a positive, natural environment. Ideal for freshwater plants to root firmly and clean easily. Eco-Friendly Promotes the growth of healthy bacteria which breaks down waste. Non-Toxic fish-safe materials that promotes the growth of healthy beneficial bacteria. This sand is shipped from California. Black Satin sand has a unique sparkles under aquarium light due to its unique texture that adds a higher level of beauty in your tank display. Easy to use, easy to clean and looks great in tanks. This sand is cleaned before it is packed and ready for your tank. But we still recommend to rinse it before installing in your tank display.