Two rolls of pHydrion testing papers are combined in a single plastic, protective dispenser with a separate color chart for each roll. Both jumbo rolls test the wide pH range of 0.0-11.0 with each full pH unit showing a distinct color change. Provides approximately 800 tests. Length x Width: 600" x 7/32". Total pH range: 0.0-11.0. Color match at full pH unit: [0.0][1.0][2.0][3.0] [4.0][5.0][6.0][7.0][8.0][9.0][10.0][11.0]. 10 Dispensers/Carton. Sold Individually. Micro Essential Labs #: DJ-905.

Two rolls of pHydrion testing papers are combined in a single plastic, protective dispenser with a separate color chart for each roll. Both jumbo rolls test the wide pH range of 0.0-11.0 with each full pH unit showing a distinct color change. Provides approximately 800 tests. Length x Width: 600" x 7/32". Total pH range: 0.0-11.0. Color match at full pH unit: [0.0][1.0][2.0][3.0] [4.0][5.0][6.0][7.0][8.0][9.0][10.0][11.0]. 10 Dispensers/Carton. Sold Individually. Micro Essential Labs #: DJ-905.