Hanna pH 7.01 Calibration Solution, 20 ml, case of 25 pots-and-containers where particles and dirt like

where particles and dirt like to cluster

8 cu ft and 55 cu ft bales

Plug refills available to ensure you never have to buy more equipment

Automatic one or two point calibration

Hanna pH 7.01 Calibration Solution, 20 ml, case of 25 pots-and-containers where particles and dirt likepH 7 is the most frequently used pH buffer. All Hanna solution bottles come with a pH vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. Formulation Hanna pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with a pH meter calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S. R. M.).