1 There is a strong correlation between the pH of the bodys 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
2 The test strip colour changes must be matched with the pH scale colour chart within about 15 seconds
Suitable For pH test strips testing for urine saliva amniotic fluid drinking water pool hot tub hydroponics aquariums food coffee potassium hydroxide and many more
3 The scale reads from 1 to 141 3 indicates a very acidic substance4 6 indicates an acidic substance7 indicates neutral8 11 indicates alkalinity Note only for strong acid and base It will not work on water