Due to popular demand, we decided to bring back our Reef Salt to North America. Our Reef Salt is a dynamic new formulation, specifically designed for the needs of the modern reef aquarium. It is blended from chemically pure raw materials, continuously quality controlled, achieves elevated levels of calcium and alkalinity reserve without resorting to harmful chelating agents. It also contains all the essential trace elements and enhanced levels of Strontium and Iodine, without the nitrates or phosphates. It dissolves easily without any residue.