Caribsea - Refugium Mud - 1 Gal

A unique blend of sediments that duplicate tropical fringing coastal mangrove environments. Its particles are in a size range compatible with soft, burrowing infaunal, macro animal assemblages. Ideal for mud refugiums, seagrasses, macro-algaes, and mangroves, Mineral Mud provides a variety of trace elements plus calcium, strontium, iron, sulfur and free carbon. In addition, Mineral Mud contains live marine bacteria to complete the tropical ecosystem. About 82 pounds per cubic foot.