Hydrion AB pH Paper In Double Roll Dispenser. 1ea. Hydrion A pH roll measures 2-10 even units, whil ...
Hydrion AB pH Paper In Double Roll Dispenser. 1ea. Hydrion A pH roll measures 2-10 even units, while B roll measures 1-11 odd units. Wide Range Papers offer a sharp color change for each full pH unit. Lucite dispenser contains two 15 Foot Rolls of pHydrion Testing Paper with color chart. Read more
