4 5 to 9 0 saliva ph test strips

...urine, dip the tip of a pH test strip in it for only three seconds and then pull it out. Within 15 seconds, the tip of the pH litmus test strip will change color based on the pH of the liquid tested. The results are super-fast! Our pH test strips kit gives...

... 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 The scale reads from 1 to 14: 1 - 3...