ITEM NAME:1 Box Accuracy 0.2-0.3 Range 3.8-5.4 PH Test Paper Liquid PH Test Strip #gib Store Home Promotion Hot Item Add to Fav.Half a second later, take out and use the attached color map, compare the paper color changes, find out the paper acidity, test the level of the object. Drop or dip the liquid to the PH test paper, and it can be reflected and displayed almost without waiting.
