This Hydrion pH Paper provides excellent colour separation in both the acid range (below pH 7) and the alkali range (above pH 7). Commonly used to test urine and saliva, it offers an easy to read, single colour match at every .2 to .3 interval from pH 5.5-8.0.
Simply tear off a small strip of pH paper, dip into the test solution, then instantly compare the resulting colour with the matching pH colour chart.
Store in a cool, dark place out of reach of children
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