What is " triple filtered water" in the ingredients label? does anyone know? thanks.

Marketing hokum: P. T. Barnum said you would never get poor on under estimating the gullibility of the American public. Above is another example of same. A good water filtration system will purify the drinking water for you. That that particular system uses three sets of filters presumably of different sizes to do the job is fine. It is mainly marketing though. They do what's necessary.