Hydrion Insta-Chek 93 pH 1.0 to 13.0 (1.0 pH Increments)
SKU: HI 93
The Insta-Chek offers 14 colors with 1 paper for 14 pH values. The ultimate in wide range, general purpose pH papers. One dip determines any pH from 0 to 13, with color chart check points at each unit pH value - no guessing.