Hanna Instruments GroLine pH 7.01 Calibration Buffer, 230mL Ceramic Grow Lights Make sure you place each

Make sure you place each one in the proper spot

Lighting control at your fingertips

stand-alone use

System maintains a single recipe that can be changed on the fly

Hanna Instruments GroLine pH 7.01 Calibration Buffer, 230mL Ceramic Grow Lights Make sure you place eachGroLine pH 7. 01 Calibration Buffer 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