100 Strips Water PH Test Strips Range 0-14 (0.5) Testing Strips PH-value-test
Between pH 1 and 2 is toilet wash. PH Value in Life：. Between pH 2 and 3 are lemons and vinegar. PH 3 to 4 is orange. PH 4 to 5 is soy sauce. (pH 7.0 to 8.5 is good forthe human body). Between pH 6 and 7 is milk.