ORP stands for Oxidation-Reduction Potential
         It is a measurement of oxidize contaminants. 
         In short, it measures the quality of the water.

Click here to view ORP Tests on Different Waters

If the ORP test result isnegative number; it means that the water isfree of rust, fresh, and anti-aging.

Only KANGEN water has the negative number result ( -387 ).

If the ORP test result is positive number; it means that the water is rusty, spoiled, decomposing, and aging and no energy!