pH

Skip Navigation

pH is a measure of the acidic or basic (alkaline) nature of a solution. The pH scale ranges from 0 (most acidic) to 14 (most basic).

  • A neutral solution (pure water) has a pH of 7.
  • Solutions with a pH less than 7 are acidic, with 0 being the most acidic.
  • Solutions with a pH greater than 7 are basic (alkaline), with 14 being the most basic.

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.