Hydrion Jumbo Size pH Papers are easier to read with larger color charts. The .5"" width of the paper enables clearer and quicker color matching.
Hydrion Insta-Chek Wide Range pH Paper, the ultimate in wide range, general purpose pH papers has a distinct color match at each full pH unit:[3.0][4.0][5.0][6.0][7.0][8.0][9.0].
Hydrion Jumbo Insta-Chek Wide Range pH Paper consists of a .5"" by 600"" roll of pH paper, packed in a plastic dispenser with an extra large color chart for easy color matching. Provides for approximately 150 tests.