pH TEST HYDRION 1.0-12.0 ROLL

Hydrion� Double Roll pH Paper set the standard for quality, accuracy, and reliability Composed of Special Wet Strength Paper Color chart provides clear color matches based on spectral color changes for sample comparison These Mikro paper rolls measure 180 x 5/32 inches These rolls test the 1.0-12.0 pH range with each full pH unit showing a distinct color variation. Packaging: Packaged in a dual roll protective plastic dispenser and contained in a polypropylene case to guard against sunlight and laboratory hazards.