3 Review(s)

There is a strong correlation between the pH of the body's internal environment and pH paper help you to maintain good healthy body by testing many usual everyday substances, including moisturized soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat etc. 100 percent brand new and high quality The test strip colour changes must be matched with the pH scale colour chart within about 15 seconds. Paper Size: 59 millimeter x 8 millimeter