CaribSea's Mineral Mud is an unique blend of sediments that duplicate tropical fringing costal mangrove environments. Mineral Mud is in a size range campatible with soft, burrowing infaunal, marco animal assemblages. Ideal for mud refugiums, seagrasses, macro algaes,and mangroves. Mineral Mud provides a variety of trace elements, chelated trace elements, natural bio-available iodine, plus calcium, strontium, iron and free carbon. In addition, Mineral Mud contains live marine bacteria, to complete the tropical ecosystem.