1.0-14.0 Hydrion Double Roll pH Papers consist of two rolls of pH papers packaged in a protective plastic dispenser with stainless steel cutoff lips and two matching color charts. pH color changes are distinct and easily matched to the color chart.
Hydrion Double Roll pH Short Range Papers have a clear color match at pH unit:[1.0][2.0][3.0][4.0][5.0][6.0][7.0][8.0][9.0][10.0][11.0][12.0] and [12.5][13.0][13.5][14.0].
Each carton contains 10 dispensers, each consisting of two(2) 15-foot rolls of test paper and matching color charts. Provides for approximately 2000 tests.
Product Directions
Simply tear off a small strip of pH paper, dip into the test solution, then instantly compare the resulting color with the matching pH color chart.