Hydrion pH Paper 4.5 - 8.5

Commonly used to test urine and saliva and amniotic fluid, this short-range Hydrion pH Paper is excellent for measuring pH solutions around neutral pH 7.00 and offers clear bright single color matches at every .5 interval from pH 4.5-8.5. The color chart has pH matches at Each dispenser contains a 15-foot roll of test paper and matching color chart.