Hydrion pH Paper in DispenserReusable dispensers hold two rolls of standard-size Hydrion pH papers 15 feet long x 0.21 inch wide (4.6 meters x 0.55 centimeter)plus matching color...
Hydrion pH Paper in Dispenser, 3.0 to 5.5pH range is 3.0 to 5.5Distinct color match at each full pH unitImmediate response with accurate, reproducible readingsKit consists of a 15-foot roll of test...
Hydrion pH Paper in Dispenser, 4.0 to 9.0pH range is 4.0 to 9.0Distinct color match at each full pH unitImmediate response with accurate, reproducible readingsKit consists of a 15-foot roll of test...