Approximately 15 years ago, with the help of the nuclear magnetic resonance (NMR) appliance, a theory that water does not exist in single unit molecules was confirmed. Water molecules form molecular clusters of approximately 13 water molecules. These clusters constantly repeat an aggregation/disaggregation process. The quality of water and its ability to hydrate, directly depends on the size of its clusters. Read more at http://www.chansonwater.com/frequently-ask...er-ionizers.php