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 0.2 to 0.3 interval from pH 6.0 to 8.0. The color chart has pH matches at [6.0] [6.4] [6.8] [7.0] [7.2] [7.6] [8.0]. The Hydrion pH Paper is a general use pH paper and can be used in applications such as: Classroom Demonstrations, Hospital Laboratories, General Laboratories, Industrial Testing, Food Service, Safety Testing, Emergency Testing and Agricultural Testing.