Ph Indicator Strips

PH indicator syrup is widely used for testing moisturized soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat, etc. Color chart is included in each pack. pH paper is good teaching supply for schools, lab, also can be applied to detect fish tank, hydroponics, aquariums, industrial testing, agricultural testing, etc. Easy to use and operate: remove a small test strip, touch the liquid to be tested, a few seconds later, compare the test results with the standard color on the given chart.