Hanna pH 7.01 Calibration Solution, 20 ml, case of 25 featured 5-year warranty

5-year warranty

500 gallons used

Formulated to promote stem and leaf growth while encouraging the development of blooms and the production of essential oils

This reflector will provide an intense downward light pattern from a vertically positioned ceramic halide lamp

but your plants will also thrive

Hanna pH 7.01 Calibration Solution, 20 ml, case of 25 featured 5-year warrantypH 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.).