Hanna Instruments GroLine pH 4.01 Calibration Buffer, 500mL Container Size:230 mL 8 µmol/J Input Voltage 120V

8 µmol/J Input Voltage 120V - 208V - 240V - 277V Input Current 5

producing a turbulent flow for consistent operation with less chance of clogging

Hydro Flow Clear Vinyl Tubing

Use the system to directly feed up to 14 zones of plants or send recipes to holding tanks

Lock-able door

Hanna Instruments GroLine pH 4.01 Calibration Buffer, 500mL Container Size:230 mL 8 µmol/J Input Voltage 120VGroLine 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