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THERMO FISHER SCIENTIFIC 8102BNUWP / 8102BNUWP (NEW IN BOX)

$445

Thermo Orion Star Conductivity Meter - Still in Box TESTED with Warranty

$18.11

Cleaning Solution for pH Electrode 50ml*4 for pH Meter EC Meter TDS Salt Meter

$62

Extech Instruments EXStik II pH/Conductivity Meter

$21.78

5 Pack Magnesiu Plate 99.99% 1 * 10 * 15 mm Magnesiu Anode Flat Metal Foil El...

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Sensorex Aqua Galaxy pH/Temperature Probe AG-2900 AG-SAM-2900 (probe only)

$95

Milwaukee EC40 EC/TDS Nutrient Meter

$199.99

New OEM Spare Endress Hauser Pressure Reduction Module for CPC200/300/310/Silent

$119

HACH H160 pH METER no Probe

$250

YSI 6920 V2 Multiparameter Water Quality Sonde pH/DO/Conductivity/Temp Probe

$225

WORKING ORIGINAL Thermo Scientific Orion Star A221 Portable pH Meter* NO PROBE*

$129.99

Hach “TSS Portable” meter