Mineral Mud is a one-of-a-kind mix of sediments that flawlessly mimics a tropical, fringe-coastal mangrove habitat. This particle size is perfect for soft, burrowing animals. It's an ideal choice for mud refugiums, seagrasses, macroalgae, and mangroves; supplying a plethora of trace elements, plus calcium, strontium, iron, sulfur, and free carbon. On top of that, Mineral Mud even comes with live marine bacteria for a fully immersive tropical experience!