Hanna pH 7.01 Calibration Solution, 16 oz spl_hgc TAKE THE GUESSWORK OUT OF

TAKE THE GUESSWORK OUT OF GARDENING

• Contains humic acids for increased metabolic rates

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Hanna pH 7.01 Calibration Solution, 16 oz spl_hgc TAKE THE GUESSWORK OUT OFAll 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 158 g S. R. M.).