TI Coral Ocean is a Premium Quality reef salt produced from the highest grade pharmaceutical chemicals and composed especially for reefers placing highest demands on sensitive stoney corals. Free from synthetic additives and contains no nitrates, phosphates or silicates. High quality German product. A dry low-humidity reef salt with uniform consistency that is easy-to-use, naturally high in Calcium. Contains most important trace elements and micronutrients at concentrations similar to those found in natural ocean water.