... increases water oxygen level.With water in the nano cup, it will create OH and O-2 that provides ... etc )Other functions:1) with water in the nano cup after 10 minutes, water will be changed to soft water ... from hard water;2) with wine in the nano cup after 30 minutes, wine will become soft, scent and ... daily usage.Remarks: For better performance, once the nano cup has been used for 2 weeks, put it under ...