Hanna Instruments GroLine pH 7.01 Calibration Buffer, 230mL Water Filter Upgrade Kits & Parts Disconnect the water line and

Disconnect the water line and utilize the powerful 900 cfm airflow for complete whole room circulation in your indoor/outdoor setting

With your lamp always running at optimum performance levels

Easy to mix and apply

Save money and reduce waste

Hanna Instruments GroLine pH 7.01 Calibration Buffer, 230mL Water Filter Upgrade Kits & Parts Disconnect the water line andGroLine 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