Hanna Gro Chek TDS Meter. Locate probe in your nutrient tank or reservoir for continuous TDS reading. A very handy device for the seriious gardener. Measured in PPM.
Hanna Product Number: HI983301N
Price: $96.24 / each
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Note: Calibration Buffer Solutions are available separately.
— Ships from Portland, Oregon USA.
For more information, please visit the manufacturer
Hanna Instruments' website.
See more Hanna Instruments products.