Hanna Instruments GroLine pH 4.01 Calibration Buffer, 230mL Container Size:230 mL apply every two weeks throughout

apply every two weeks throughout the growing season

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

Promotes Plant Growth & Resistance

Motors shall be the same voltage as the heater

automatic dosers

Hanna Instruments GroLine pH 4.01 Calibration Buffer, 230mL Container Size:230 mL apply every two weeks throughoutGroLine 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