In 17% of the users the expectations they placed on GRANDER water revitalisation were exceeded; in 51% of the users the expectation was completely filled and in 19% of the users the majority of their expectation was filled.
Customer Survey
The representative customer survey of users of GRANDER water revitalisation, which has been carried out since 2008, shows that 77% of the persons questioned drink more water than before. The GRANDER water revitalisation was installed by 74% of the people questioned due to the better taste of the drinking water.