🔬 Test Your pH Game: Precision Meets Convenience! Protective plastic dispenser ensures longevity and easy storage. Sufficient paper for at least 120 tests, perfect for labs and home use. Serrated edge for effortless tear-off, making testing a breeze. Delivered in an outer cardboard box, minimizing environmental impact. Experience a clear, distinct color match for every 0.5 pH unit. Color match every 0.5 pH pH range: 4.5-8.5 120+ tests per roll The 2210 Plastic Hydrion Vivid Short Range pH Test Paper Dispenser offers a reliable pH testing solution with a range of 4.5 to 8.5. Each roll provides clear color matches at every 0.5 pH unit and is designed for at least 120 tests, all housed in a protective dispenser for easy use.