Sea-Pure - is real seawater and contains all the major and minor trace elements found in natural seawater in correct proportions and at the proper pH. No potentially harmful pathogens. No nitrates or phosphates, no harmful organics, no artificial preservatives or chemicals. Stop wondering if your salt mix lives up to real seawater. Stop worrying about harmful impurities in your tap water. Sea-Pure is simply seawater as nature intended.