The color chart has pH matches at [0.0][1.0][2.0][3.0][4.0][5.0][6.0][7.0][8.0][9.0][10.0][11.0][12.0][13.0][14.0]

Each vial contains 100 strips. Minimum order of 3 vials. Also sold in cartons of 6 vials.

Dip the strip into the test solution, then instantly compare the resulting color with the matching pH color chart.