Product description Material: paper Size: 2 * 2 * 0.6cm Quantity: 2 pieces Package content: 2 * PH = 0-14 test paper 1. pH UNIVERSAL TEST: pH test strips made of litmus paper, ideal for test measurements of liquids in the household, in laboratories, schools and in the hobby area. With color table for value comparison. 2. VERSATILE TEST STRIPS: The pH tests are universally applicable for testing acids and bases. Ideal for testing saliva, drinking water, aquariums, hydroponics, food, soil tests, detergent, soap, etc. 3. EASY TO USE: Hold litmus test strips into the liquid. Read the result after approx. 15 seconds and compare it with the pH color palette. 4. QUICK RESULTS: The test strips provide reliable results within seconds in the pH range between 0 and 14. 5. PRACTICAL ROLL: The indicator strips are on a roll and are simply peeled off in the desired size.