pH Test Strips to Monitor Your Drinking Water 100 Strips Box (Range 0 14 (05))
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.