Hydrion Dual Roll Wide DJ910 Range Jumbo pH 0- 12 (1.0 pH Increments)
| Hydrion pH Papers in Dual Roll, Wide Range Jumbo Dispenser A color change for each full pH unit. The Dual Jumbo consists of two 600 inch rolls of of pHydrion testing papers 7/32" wide of the same range, foil wrapped in a plastic dispenser, together with two color charts and a polypropylene case. The case protects the paper from sunlight and laboratory hazards. |
