The benefits of alkaline water are massive ... Basically, water comes into your house, and you can change the pH from 9.5 all the way to 2.5. It's used for different reasons, but typically ...

In Costco's case, they advertised that their alkaline water has a pH level of 9.5. However, when TikTok user @vianht05 tried to verify this with some pH testing strips, the results shocked her.