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UNIVERSAL pH TEST: Litmus paper pH test strips ideal for testing liquids at home, in laboratories, schools, and for activities. Includes a color chart for comparing values.

VERSATILE TEST STRIPS: pH tests can be used universally to check for acids and bases. Ideal for testing saliva, drinking water, aquariums, hydroponics, food, soil, detergents, soap, etc.

EASY TO USE: Simply place the litmus paper test strips in 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 in seconds within the pH range of 0 to 14. CONVENIENT: The indicator strips are on a roll and are easily removed to the desired length.