Water purifier water better thann the potable water?

Water purifier which always use at home, only need connect to tap.
Potable water PH value always around 7.35~7.45 is weak alkalinity water.
But the water from water ionizer PH value is above 8 around.
This kind of water good for body health.
www.homehealthywater.com
www.skin-analyzer.com
www.ionaircleaner.com