Create a supernatural experience by re-creating the natural world in your home. Enjoy a piece of the Rio Negro as it winds its way through dark and brooding jungles. Own a sliver of the sunlit Sri Lankan gravel streams famous for sapphires and rubies. Dramatic black sand rivers and beaches grace the flanks of verdant tropical islands capped by smoldering volcanoes. These exotic locales provide the backdrop for some of the world's most spectacular aquatic life. The Super Naturals line is specially selected and crafted to match these exotic environments.

• Typical Grain Size: 0.5 - 1.0mm
• Will not affect pH or hardness
• Perfect for freshwater community aquariums
• Suitable for marine and brackish aquariums with proper buffering
• Soft-belly safe; smooth grains