Hanna pH 7.01 Calibration Solution, 20 ml, case of 25 spl_fluence Highest quality specular aluminum

Highest quality specular aluminum

Engineered in an ISO 9001 certified facility

PAR output of up to 1800 μmol/s

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Amend any potting soil with this micronized vegetative nutrient to activate the aromatic power of your garden’s natural terpenes

Hanna pH 7.01 Calibration Solution, 20 ml, case of 25 spl_fluence Highest quality specular aluminumpH 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.).