Micro Essential Lab 94 Hydrion™ Spectral Full Range Single Roll pH Test Paper Dispenser, pH Range:
This Micro Essential® Hydrion™ Spectral Single Roll pH paper has a wide range of 1 to 14. It is packaged in a 15 foot roll with a color chart and shows a distinct color change for each full pH unit. Per each; 10/Carton. Micro Essential Labs® #: 94.