Purpose : Drinking Alkaline water helps balance the pH of the body.
- Pouring Alkaline water into the cup
- Blow through a straw into the cup. The ph change into green color(tap water)quickly.
- That means the tester body has an acidic tendency. (When a child blow, the color changed a while slowly)
- Pouring Alkaline water makes it to be alkaline. (pH color change to purple)