The color chart has pH matches at [5.0][5.5][6.0][6.5][7.0][7.5][8.0][8.5][9.0]

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.