Testing
Grochek Combo Meter (pH/EC/Temp) Replacement Probe: HY
HANNA REPLACEMENT PROBE FOR HI9919404 (HY1743) EC/TDS/PH/TEMP combo meter.
Grocheck Combo Meter (pH/EC/TDS/Temp): HY
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 Probe HANNA instruments® developed new F.S.T. technology for the new HI 9813-6.
Grochek Combo Meter (pH/EC/Temp) Replacement Probe: HY
HI1285-6 Replacement Probe for NEW HI9813-6 (HY1743)
Grochek EC Meter: HY
HANNA GRO CHEK EC Meter. Locate probe in your nutrient tank or reservoir for continuous EC readings. A very handy device for the serious gardener. The EC scale is not linear to Parts Per MIllion. The new PPM meters for horticulture are being built to the specs of .
Grochek TDS Meter: HY
HANNA GRO CHEK TDS Meter. Locate probe in your nutrient tank or reservoir for continuous TDS readings. A very handy device for the serious gardener. This unit is designed to have the electrode continuously submerged in the nutrient solution.
Grocheck Replacement pH Electrode: HY
Replacement Probe for Hanna Grow Check meter series. This will replace the pH elecrtrode in all models of the Grow Check.
Grochek pH Meter: HY
HANNA GRO CHEK pH Meter. This meter provides a continuous digital pH reading. It is powered by a simple wall 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!
pH Checker 1: HY
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.