MR32 Refractometer. MR32 Brixmeter Refractometer. This refractometer measures the sugar content of plant material directly derived from photosynthesis and reads in Brix. The user squeezes plant juices onto the refractometer's reading lens and then the user looks through the meter. A scale is observed known as the Brix scale. The higher the Brix reading on the scale the more sugar content in the plant ... — Ships from Portland, Oregon USA...more info.
pH Checker 1. HANNA pH CHECKER 1 (LIQUIDS ONLY) Digital readout.Not temperature compensating but a very good value. We don't get many of these returned so we keep on selling them. Out-performs their more expensive models. Replaceable electrode.... — Ships from Portland, Oregon USA...more info.
GroChek pH Meter. 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...more info.
Replacement Probe for GroChek. Replacement Probe for Hanna Gro Chek meter series. HI1286 PROBE FOR HI981401Replacement Probe for Hanna Grow Check meter series. This will replace the pH elecrtrode in all models of the Grow Check.... — Ships from Portland, Oregon USA...more info.
GroChek TDS Meter. 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 ... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA...more info.
Grocheck Combo Meter. HI9813-6 GROCHECK PORTABLE COMBO.pH/EC/TDS/Temp Meter with F.S.T. Technology New Technology to Check the Status of the ElectrodeMeasures a Variety of Parameters with One InstrumentFast Response ProbeHANNA instruments® developed new F.S.T. technology for the new HI 9813-6. With this special security system, if the meter encounters incorrect readings, the instrument doesn’t display v... — Ships from Portland, Oregon USA — Free Shipping when ordering $50 or more of qualifying items....more info.