PAS pH Papers, Test Paper Sets, Hydrion Dual Range Jumbo Kit Set DR-1234

This kit consists of four Double Roll Dispensers with seven different types of Hydrion papers: The Insta-Chek 0 to 13 and six Hydrion short range papers. Hydrion Insta-Chek 0 to 13 has the widest range of any single reading test paper. The six Hydrion Short Range papers provide sharp color changes for each half pH unit over the 0 to 14 pH scale. pH can be determined to within 0.25 units on well buffered solutions. The kit includes:

Dispenser No. 1 - 2 rolls of Insta - Chek 0 to 13
Dispenser No. 2 - 0.0 to 3.0, 3.0 - 5.5
Dispenser No. 3 - 4.5 to 8.5, 8.0 to 9.5
Dispenser No. 4 - 9.0 to 12.0, 12.5 to 14.0
One 50' refill roll of Insta-Chek 0 to 13

Each Dispenser holds two fifty foot rolls of test paper. The complete set will enable the user to make 4,000 tests.