PH TEST PAPER PH 1.0-2.5 RL REF, Case of 50

Details

Hydrion Ph 1.0-2.5 Paper Refills 5Rolls/Pk^ Short range ph (1.0-2.5) paper showing a sharp color change for each half ph unit. 15 foot rolls of ph paper with 2 color charts. For standard single and double roll dispensers. Packed in heat sealed aluminum foil and tightly secured in a plastic case.