100Strips Water PH-Test Strips Range 0-14 (0.5) Testing Strips PH Value Test-Set
PH 4 to 5 is soy sauce. PH 11 is plant ash water. 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 7.0 to 8.5 is good forthe human body).