ph strips 2,8-4,6 pcs 20

pH-strips To measure the pH of a sample of juice, wine, beer, kombucha. Packed per 20 strips with built-in colour scale! Reading per 0.2/0.3 pH. range 2,8-4,6 pH division 0,2/0,3 pH What is pH? pH is the measurement of the concentration of free hydrogen ions in a liquid. The pH of pure water is 7. Liquids with a larger concentration of hydrogen ions than water are acid and have a pH value less than 7. Liquids with a lower concentration of hydrogen ions on the other hand, are base and have a pH value higher than 7. The pH scale runs from 1 to 14.