Kent Marine Sea Salt provides the essentials to simulate a natural seawater environment. Formulated using fine grain salt to dissolve easily and to supply an enhanced blend of both vitamins and minerals. These provide marine animals and algae everything they need not only to survive but thrive in their artificial environment. Fully buffered and provides a broad spectrum of beneficial major and minor elements vitamins trace minerals and enhanced levels of calcium strontium and iodide. Kent Marine Sea Salt starts by using only the purest ingredients available. This is critical as to not introduce unwanted organics phosphates or nitrates into the system.