Pure water has a pH of 7. Baking soda has a pH of 9, while vinegar has a pH of 2, according to the U.S. Geological Survey. Cleaning one-two punch .

From pH 7 to 0 the soil is increasingly more acidic and from pH 7 to 14 the soil is increasingly more alkaline or basic. Descriptive terms commonly associated with certain ranges in soil pH are: ...

Please use one of the following formats to cite this article in your essay, paper or report: APA. P, Surat. (2022, December 05). How to Calibrate a pH Meter.