Hydrion (325) Dispenser 3.0-5.5This short-range Hydrion pH Paper provides excellent color separation in the acid range and offers clear bright single color matches at every .5 interval from pH 3.0-5.5. The color chart has pH matches at [3.0][3.5][4.0][4.5][5.0][5.5].
Hydrion Single Roll pH Paper provides:
Includes (per Kit):
15-foot roll of test paper Matching color chartProvides for approximately 1000 tests