Universal pH Test Strips 0-14 - 16.4 ft Length - Pack of 2 Rolls - For Aquariums, Hydroponics and Water Testing

General Description Universal litmus paper pH test strips are ideal for measuring the pH of various liquids at home, in laboratories, schools and during activities. They are versatile and can be used to test acids and bases, making them perfect for varied applications such as testing saliva, drinking water, aquariums, hydroponics, food, soil, detergents and soap. Technical specifications pH measuring range: 0-14 Roll length: 16.4 ft Quantity: 2 rolls Usage To use the test strips, simply hold them in the liquid to be tested. After about 15 seconds, read the result and compare it with the pH color chart provided.