Universal pH Test Paper, pH Test Strips, Roll of pH Test Strips, pH Measurement in the Full Range 0-14, 16.4 Feet/Roll (2 Pieces)

UNIVERSAL pH TEST: pH test strips made of litmus paper, ideal for testing liquids at home, in laboratories, schools, and other activities. With a color chart for comparing values. VERSATILE TEST STRIPS: pH tests are universally applicable for checking acids and bases. Ideal for testing saliva, drinking water, aquariums, hydroponics, food, soil, cleaning products, soap, etc. EASY TO USE: Dip the litmus test strips into the liquid. Read the result after approximately 15 seconds and compare it with the pH color chart. FAST RESULTS: The test strips provide reliable results within seconds in the pH range between 0 and 14. PRACTICAL PURPOSE: The indicator strips are on a roll and can be easily pulled out to the desired size.