ITEM NAME:160x Pro PH Testing Test Strip Paper Full Range 1-14 Acidic Alkaline Ind IWZ.Usage: Put the Liquid drop in the middle of the strip, then compare the color card, 7.0 is neutral, less than 7.0 is acidity, greater than 7.0 is alkaline. PH range from 1-14. 2 Set PH test paper. Single strip: appox.
