HANNA GRO CHEK pH Meter. This meter provides a continuous digital pH reading. It is powered by a simple transformer. The electrode rests in your reservoir or nutrient tank and provides real-time pH monitoring. You can have a professional piece of equipment at consumer prices!
Note: Calibration Buffer Solutions are available separately.
— Ships from Portland, Oregon USA.
For more information, please visit the manufacturer Hanna Instruments' website.