1 roll pH strips, pH test strips, litmus paper test strips pH, Universal Indicator Test Paper, 0-14 Test Indicator, 5 m/roll, for Soil, Water, Saliva, Cosmetic, Diet

You will receive a 5-meter roll of pH test paper. The test range of pH test paper is 0-14. Reel design: Lightweight and compact reel design, easy to use and carry. Wide application: pH test paper is easy to use and perfect for pH testing at home, laboratory or school. Scope of application: Suitable for most common substances in life, such as milk, liquid detergent, wet soil, sweat, saliva, urine, etc. How to use: Put the test paper into the test object. Then the test paper will change color after about 15 seconds. Compare the color with the standard colorimetric card.