This kit is intended for general purpose wide range use with weakly buffered solutions. A distinct color change for each pH unit is provided and estimates can be made to each 0.5 pH unit over a total pH range of 1.0-11.0. A polypropylene case holds the roll of test paper in a dispenser with a serrated edge for easy tear off of desired paper size, the color chart and a capped sample tube for easy portability. Roll Length: 180 inches. Total pH range: 1.0-11.0. Color Match at each full pH unit: [1.0][2.0][3.0][4.0][5.0][6.0][7.0][8.0][9.0][10.0][11.0]. Sold Individually. 10/Carton. Micro Essential Labs #: LI-5000.