Aboat 4 Rolls pH Test Strips, Universal pH Test Paper Strips, pH Measure Full Range 0-14, 16.4 ft/Roll, Totally 65.6 ft;

Measures pH values in the range of 0 to 14: pH < 7 is acidic, pH = 7 is neutral, pH > 7 is alkaline; The smaller the number, the stronger the acidity; The larger the number, the stronger the alkalinity. About body pH: pH is a measurement of your body's electrical balance and helps to regulate several bodily functions. Normal human body, the body's pH value should be maintained at 7.3 to 7.4, that is slightly alkaline; If the pH value of the body is lower than 7.3 for a long time, it will form acidic constitution, leaving the body in a sub-healthy state. Testing your body pH level by a pH test of urine and saliva, attention your health all the time. Eat more vegetables and fruits to help your body stay in the normal pH range. Wide application: Great teaching supply for lab, school, to test the solution of acid and alkali; Testing the pH of body saliva and urine to check your health; Check your pet dog's body acid-base; Testing your hydroponic plant growth environment; With your children do some science experiments about acids and bases to rich scientific knowledge; Also apply to testing household items, drinking water, swimming pools, fish tank, aquariums, food, etc. Instructions: Take one strip from the roll and dip it into the object or liquid you are testing; Strip color will change immediately. Quickly match this color against the color chart on the surface of the pack to obtain the pH. Package includes: 4 Roll pH test strips