Hydrion Double Roll Dispenser, 0.0-14.0
By Micro Essential
One roll of Insta-Chek 0 to 13 and one roll of the Ultra-Sharp 12.5 to 14 test paper. The wide range, general purpose Insta-Chek paper has 14 different colors. Dip once and match the color to find your pH. Ultra-Sharp paper is ideal for high pH values. Color changes from a bright blue at 12, through a green at 13, to yellow at 14. One roll of each paper, 7/32" wide x 15' long, in a polypropylene case.