GroLine pH 7.01 Calibration Buffer (230 mL) wine pH meter kit and scale for softer skin

and scale for softer skin and hair

pH Calibration: up to 3 point automatic pH calibration | 7 standard buffers (pH 1

dry place away from direct sunlight

Always store with the cap full of buffer or storage solution not water

GroLine pH 7.01 Calibration Buffer (230 mL) wine pH meter kit and scale for softer skinHI7007 023 is a high quality pH 7. 01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened