The level of manganese in drinking water is the concern, according to city officials. Elevated levels of manganese can lead ...

However, water comes from different sources, like tap ... pH: Universal indicator can be used to give an approximate pH value for a solution by comparing the colour of the indicator to the colour ...

Most tap water has a pH of around 7.5 ... and I was able to see on the color chart that my levels were very good, providing ...