Hanna Instruments GroLine pH 4.01 Calibration Buffer, 230mL Container Size:230 mL Available in: 500' and 1000'

Available in: 500' and 1000' coils (152 m

apply every two weeks throughout the growing season

the attached fitted foam cap will prevent contamination between jobsites and storage

as well as the plant’s ability to photosynthesize

Hanna Instruments GroLine pH 4.01 Calibration Buffer, 230mL Container Size:230 mL Available in: 500' and 1000'GroLine pH 4. 01 Calibration Buffer is a high quality pH 4. 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 has been specially formulated to have an expiration of 5 years from the date of