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pH Meter PRO Kit, Digital pH Pen with ±0.01 pH Accuracy & Interchangeable Probe

pH Meter PRO Kit, Digital pH Pen with ±0.01 pH Accuracy & Interchangeable Probe

$79.9939.99

Last 3 Thornton pH Probe Mettler 52003821- $1475 Sealed And Unopened

Last 3 Thornton pH Probe Mettler 52003821- $1475 Sealed And Unopened

$800.00400.00

Endress + Hauser Liquline To-go And 2 Brand New Endress + Hauser Probes

Endress + Hauser Liquline To-go And 2 Brand New Endress + Hauser Probes

$1200.00600.00

THESE GOT TO GO BRAND NEW Thornton pH Probe Mettler 52003821

THESE GOT TO GO BRAND NEW Thornton pH Probe Mettler 52003821

$530.00265.00

Bluelab Replacement pH Probe - 2m (pH Probe Only) suitable for use w/ Bluelab

Bluelab Replacement pH Probe - 2m (pH Probe Only) suitable for use w/ Bluelab

$69.9534.98

American Marine PINPOINT Lab pH Probe

American Marine PINPOINT Lab pH Probe

$49.9925.00

Milwaukee pH54 Waterproof pH Tester with Replaceable Probe

Milwaukee pH54 Waterproof pH Tester with Replaceable Probe

$49.2524.63

Milwaukee MC120 pH Monitor w/probe

Milwaukee MC120 pH Monitor w/probe

$116.6558.33

For Hayward Sense and Dispense ORP Probe PH Probe GLX-Probe-ORP or GLX-Probe-PH

For Hayward Sense and Dispense ORP Probe PH Probe GLX-Probe-ORP or GLX-Probe-PH

$374.99187.50

Long Body Ph Electrode with BNC Socket Probe 300Cm Cable 0-14Ph for Ph Meter, Ph

Long Body Ph Electrode with BNC Socket Probe 300Cm Cable 0-14Ph for Ph Meter, Ph

$25.1612.58

pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy for Water

pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy for Water

$59.9930.00

Milwaukee MW101 Smart Portable pH Tester/Meter

Milwaukee MW101 Smart Portable pH Tester/Meter

$125.0062.50

Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Pro

Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Pro

$65.2532.63

6985089 - GAMBO - PH PROBE PHX/INN - NEW

6985089 - GAMBO - PH PROBE PHX/INN - NEW

$298.00149.00

Hydroponic Meter PRO Kit, pH Pen with ±0.01 Accuracy & Interchangeable Probe

Hydroponic Meter PRO Kit, pH Pen with ±0.01 Accuracy & Interchangeable Probe

$149.0074.50

Oakton - WD-35613-52 pH 5+ Handheld Meter with pH Probe & Case Open Box

Oakton - WD-35613-52 pH 5+ Handheld Meter with pH Probe & Case Open Box

$302.60151.30

BlueLab Replacement pH Probe

BlueLab Replacement pH Probe

$69.9934.99

Upgraded PH TDS Meter Combo Water Tester Kits for Drinking Water Aquarium Pool

Upgraded PH TDS Meter Combo Water Tester Kits for Drinking Water Aquarium Pool

$14.997.50

AMERICAN MARINE PINPOINT PH PROBE - LAB GRADE AQUARIUM TESTING

AMERICAN MARINE PINPOINT PH PROBE - LAB GRADE AQUARIUM TESTING

$39.8419.92

NEW Bluelab Leap pH Probe Replacement Probe

NEW Bluelab Leap pH Probe Replacement Probe

$87.9943.99

BlueLab Combo pH Probe – Replacement Sensor with Waterproof Cable & Connector

BlueLab Combo pH Probe – Replacement Sensor with Waterproof Cable & Connector

$59.5029.75

Hanna Instruments pH/EC/TDS Multiparameter Probe with CAL Check

Hanna Instruments pH/EC/TDS Multiparameter Probe with CAL Check

$179.9990.00

BlueLab pH Pen Probe Care Kit pH - Meter Aquarium

BlueLab pH Pen Probe Care Kit pH - Meter Aquarium

$20.0010.00

Hach pH Probe

Hach pH Probe

$400.00200.00

PH Probe Sensor Waterproof Accurate Measurement Quick Response PH Electrode New

PH Probe Sensor Waterproof Accurate Measurement Quick Response PH Electrode New

$18.739.37

4 in 1 Digital PH EC Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

4 in 1 Digital PH EC Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

$16.998.49

Neptune PRBPHDJ , Double Junction pH Probe

Neptune PRBPHDJ , Double Junction pH Probe

$90.0045.00

Neptune Systems Apex Lab Grade Ph And Orp Probe Mfg 2021

Neptune Systems Apex Lab Grade Ph And Orp Probe Mfg 2021

$79.9939.99

BluԑLab Combo pH Probe – Replacement Sensor with Waterproof Cable & Connector

BluԑLab Combo pH Probe – Replacement Sensor with Waterproof Cable & Connector

$59.2029.60

Cole-Parmer pH Probe Electrode Autoclavable 420 mm

Cole-Parmer pH Probe Electrode Autoclavable 420 mm

$300.00150.00

Mettler Toledo pH Probe InPro 3253/225/Pt100 Combination Probe

Mettler Toledo pH Probe InPro 3253/225/Pt100 Combination Probe

$300.00150.00

Allied Fisher Scientific 815MP Accumet pH Meter w Temperature and pH Probe

Allied Fisher Scientific 815MP Accumet pH Meter w Temperature and pH Probe

$190.0095.00

7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen

7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen

$22.9811.49

Bluelab 250 ml pH Probe KCl Storage Solution

Bluelab 250 ml pH Probe KCl Storage Solution

$24.9512.47

Bluelab pH Probe Replacement -meter combo guardian calibration blue lab

Bluelab pH Probe Replacement -meter combo guardian calibration blue lab

$82.9941.49

Ph Meter Calibration Solution Kit(4.00,7.00&10.01) with Ph Electrode Storage Sol

Ph Meter Calibration Solution Kit(4.00,7.00&10.01) with Ph Electrode Storage Sol

$18.369.18

Replacement Sensor Probe for Digital pH Meter PRO Kit with ±0.01 pH Accuracy

Replacement Sensor Probe for Digital pH Meter PRO Kit with ±0.01 pH Accuracy

$29.9914.99

NEW RUSSELL RL060P PORTABLE pH METER WITH ATC TEMPERATURE PROBE

NEW RUSSELL RL060P PORTABLE pH METER WITH ATC TEMPERATURE PROBE

$99.0049.50

knick SE555X/1-NMSN PH Probe New In Original Packaging.

knick SE555X/1-NMSN PH Probe New In Original Packaging.

$825.00412.50

American Marine PINPOINT Ph Controller

American Marine PINPOINT Ph Controller

$179.0089.50

BlueLab Replacement pH Probe

BlueLab Replacement pH Probe

$57.4528.73

GLX-Probe-PH PH Probe Fit Hayward Sense and Dispense model AQL-CHEM AQL-CHEM-UPG

GLX-Probe-PH PH Probe Fit Hayward Sense and Dispense model AQL-CHEM AQL-CHEM-UPG

$368.99184.50

For Hayward GLX-Probe-PH PH Probe Replacement for Sense and Dispense Automation

For Hayward GLX-Probe-PH PH Probe Replacement for Sense and Dispense Automation

$368.99184.50

Neptune Double Junction Lab Grade pH Probe

Neptune Double Junction Lab Grade pH Probe

$119.9959.99

Soil Acidity Meter pH Level Tester Gauge With Probe for Plants Garden Lawn Farm

Soil Acidity Meter pH Level Tester Gauge With Probe for Plants Garden Lawn Farm

$13.726.86

Bluelab Combo Meter | Measure pH, Conductivity & Temperature On the Go

Bluelab Combo Meter | Measure pH, Conductivity & Temperature On the Go

$225.45112.72

(1) NEW Milwaukee Instruments pH Controller with Probe - MC122

(1) NEW Milwaukee Instruments pH Controller with Probe - MC122

$175.9087.95

PH Probe Meter Sensor BNC Connector Electrode For Aquarium Lab Controller Meter

PH Probe Meter Sensor BNC Connector Electrode For Aquarium Lab Controller Meter

$7.663.83

pH & Temperature Meter for Aquariums and Hydroponics - Easy Calibration

pH & Temperature Meter for Aquariums and Hydroponics - Easy Calibration

$51.1025.55

Milwaukee pH51 Waterproof pH Tester with Replaceable Probe

Milwaukee pH51 Waterproof pH Tester with Replaceable Probe

$46.7523.38

Replacement for GLX-Probe-PH PH Probe For Hayward Sense and Dispense Systems

Replacement for GLX-Probe-PH PH Probe For Hayward Sense and Dispense Systems

$368.99184.50

Fisherbrand Accumet AB200 pH/mV/Conductivity Meter 2 probes & stand/holder

Fisherbrand Accumet AB200 pH/mV/Conductivity Meter 2 probes & stand/holder

$255.00127.50

Portable 4 In 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester US

Portable 4 In 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester US

$36.6218.31

Replacement Sensor Probe for Hydroponic Meter PRO Kit with ±0.01 pH Accuracy

Replacement Sensor Probe for Hydroponic Meter PRO Kit with ±0.01 pH Accuracy

$59.9930.00

Thermo Scientific 927005MD Orion Ph Electrode Epoxy Atc Probe

Thermo Scientific 927005MD Orion Ph Electrode Epoxy Atc Probe

$150.9575.47

New WALCHEM WEL-PHF-NN PH probe

New WALCHEM WEL-PHF-NN PH probe

$175.0087.50

YINMIK Food Ph Meter Digital Ph Tester for Food Spear Tip Probe YK-2S

YINMIK Food Ph Meter Digital Ph Tester for Food Spear Tip Probe YK-2S

$18.999.49

OAKTON 35630-50 pH/Conductivity/°c Electrode Probe

OAKTON 35630-50 pH/Conductivity/°c Electrode Probe

$188.0094.00

Hanna Instruments HI98129 Low Range Combo pH, EC, TDS and Temperature Meter

Hanna Instruments HI98129 Low Range Combo pH, EC, TDS and Temperature Meter

$209.99105.00

Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC

Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC

$188.2594.13

LLC-AI1201 Apera Instruments,LLC PH60-E Replacement Probe for PH60 Pocket pH

LLC-AI1201 Apera Instruments,LLC PH60-E Replacement Probe for PH60 Pocket pH

$37.0318.52

Milwaukee MC122 pH Controller w/probe

Milwaukee MC122 pH Controller w/probe

$174.4087.20

HM Digital SP-P2 Replacement pH Probe/Sensor/Electrode - for PH-200 Meter/Tester

HM Digital SP-P2 Replacement pH Probe/Sensor/Electrode - for PH-200 Meter/Tester

$22.9511.47

Milwaukee SE220 Lab Grade Double Junction pH Probe for MW101 MW102 pH meters

Milwaukee SE220 Lab Grade Double Junction pH Probe for MW101 MW102 pH meters

$69.0034.50

VIVOSUN 5 in 1 LCD Digital PH/TDS/EC/Salinity/Temperature Meter Tester Pen

VIVOSUN 5 in 1 LCD Digital PH/TDS/EC/Salinity/Temperature Meter Tester Pen

$33.2916.64

Hanna Instruments HI 98130 Waterproof pH/Conductivity/TDS Tester with ATC, High

Hanna Instruments HI 98130 Waterproof pH/Conductivity/TDS Tester with ATC, High

$224.99112.50

Mettler Toledo pH Probe InPro 3253/325/Pt100 Combination Probe. New

Mettler Toledo pH Probe InPro 3253/325/Pt100 Combination Probe. New

$99.9949.99

Milwaukee MA913B/3 Epoxy Industrial pH Replacement Probe

Milwaukee MA913B/3 Epoxy Industrial pH Replacement Probe

$48.0024.00

Milwaukee MA917B/1 Refillable Combination pH Probe

Milwaukee MA917B/1 Refillable Combination pH Probe

$163.3081.65

New VWR Symphony 14002-850 Electrode PH probe In Solution Sterile Free Shipping

New VWR Symphony 14002-850 Electrode PH probe In Solution Sterile Free Shipping

$200.00100.00

YSI 100-4 PH Temperature Probe Kit

YSI 100-4 PH Temperature Probe Kit

$55.0027.50

Ysi 110-1 Lab Grade Ph Probe, 1 Meter

Ysi 110-1 Lab Grade Ph Probe, 1 Meter

$76.1938.09

Milwaukee MA911B/2 pH Electrode Probe works with MW100, MW101, MW102, SMS120

Milwaukee MA911B/2 pH Electrode Probe works with MW100, MW101, MW102, SMS120

$49.9524.98

GLX-Probe-PH PH Probe Fit For Hayward Sense and Dispense HL-CHEM and AQL-CHEM

GLX-Probe-PH PH Probe Fit For Hayward Sense and Dispense HL-CHEM and AQL-CHEM

$435.25217.63

Hanna HI1294D Direct Soil and Soiless Media pH Electrode Probe For Hanna HI9814

Hanna HI1294D Direct Soil and Soiless Media pH Electrode Probe For Hanna HI9814

$69.9934.99

Hanna Instruments HI9813-61 Portable pH/EC/TDS/Temperature Meter with CAL Check

Hanna Instruments HI9813-61 Portable pH/EC/TDS/Temperature Meter with CAL Check

$289.99145.00

pH Meter, 0.01 pH Accuracy, 0-14.00 pH Measuring Range, 1 to 3 Points Calibra...

pH Meter, 0.01 pH Accuracy, 0-14.00 pH Measuring Range, 1 to 3 Points Calibra...

$68.6334.31

Sensorex model PH S8000CD PH PROBE ( Used )

Sensorex model PH S8000CD PH PROBE ( Used )

$78.1739.09

PH Probe, Rola-Chem Digital/Analog Cntrl Sys, Heavy Duty, 8ft : 550135

PH Probe, Rola-Chem Digital/Analog Cntrl Sys, Heavy Duty, 8ft : 550135

$184.9992.50

BNC Connector Electrode PH Probe Sensor For Aquarium Lab PH Controller Meter

BNC Connector Electrode PH Probe Sensor For Aquarium Lab PH Controller Meter

$7.483.74

DENVER INSTRUMENT BASIC pH METER with 12667 Arm Probe And Power Sold As-Is

DENVER INSTRUMENT BASIC pH METER with 12667 Arm Probe And Power Sold As-Is

$29.9514.97

Rola-Chem 550135 pH Probe, Blue, New 2025 Model

Rola-Chem 550135 pH Probe, Blue, New 2025 Model

$199.9599.97

Wagtech Palintest Portable pH/mV/°C Meter Probes Case Water Lab Test Kit

Wagtech Palintest Portable pH/mV/°C Meter Probes Case Water Lab Test Kit

$124.9562.48

Millwaukee Probe for MW100, MW101, MW102, SM100, SM101 SMS102 pH Meters

Millwaukee Probe for MW100, MW101, MW102, SM100, SM101 SMS102 pH Meters

$61.9530.98

Milwaukee MA9016 Cleaning Solution for pH / ORP Electrodes

Milwaukee MA9016 Cleaning Solution for pH / ORP Electrodes

$22.4911.24

Astral Viron Equilibrium/EQ/Rolachem pH Probe Acid Sensor - 525147

Astral Viron Equilibrium/EQ/Rolachem pH Probe Acid Sensor - 525147

$249.98124.99

Value Detect Sensor Module Liquid PH 0-14 + PH Electrode Probe BNC for Arduino

Value Detect Sensor Module Liquid PH 0-14 + PH Electrode Probe BNC for Arduino

$6.433.21

Ac Infinity Ph Pen Meter Kit

Ac Infinity Ph Pen Meter Kit

$49.9925.00

YSI pH Temperature Probe 100-1, Spherical, 3ft Cable, for EcoSense pH100A Meter

YSI pH Temperature Probe 100-1, Spherical, 3ft Cable, for EcoSense pH100A Meter

$79.9539.98

Bluelab pH & Conductivity Starter Pack includes pH Pen & EC Pen +Probe Care Kits

Bluelab pH & Conductivity Starter Pack includes pH Pen & EC Pen +Probe Care Kits

$179.9589.97

Oakton WD-35805-04 General-Purpose pH Probe, DJ, 3ft Cable, BNC

Oakton WD-35805-04 General-Purpose pH Probe, DJ, 3ft Cable, BNC

$155.8077.90

3-in-1 Soil pH and Moisture Light Intensity Meter Plant Tester for Plants Growth

3-in-1 Soil pH and Moisture Light Intensity Meter Plant Tester for Plants Growth

$7.683.84

Automated Water & Effluent Limited PS183-20B PH Probe

Automated Water & Effluent Limited PS183-20B PH Probe

$24.9912.49

4-in-1 Digital Soil Tester Probe Kit ⸙ Tests Soil pH, Moisture, Sunlight, Temp

4-in-1 Digital Soil Tester Probe Kit ⸙ Tests Soil pH, Moisture, Sunlight, Temp

$12.806.40

Mettler-Toledo FiveEasy FE20 pH Meter with Probe

Mettler-Toledo FiveEasy FE20 pH Meter with Probe

$115.0057.50

Bluelab Leap pH Probe Replacement – Fast Accurate Sensor for Soil & Hydroponics

Bluelab Leap pH Probe Replacement – Fast Accurate Sensor for Soil & Hydroponics

$96.5048.25

PH Electrode Probe BNC Connector High Accuracy Sensitivity Replacement PH Va Hot

PH Electrode Probe BNC Connector High Accuracy Sensitivity Replacement PH Va Hot

$22.8311.41

Hanna pH/EC/TDS Multiparameter Replacement Probe for use with GroLine HI9814

Hanna pH/EC/TDS Multiparameter Replacement Probe for use with GroLine HI9814

$189.0094.50

Cole-Parmer Solution Grounded pH Probe

Cole-Parmer Solution Grounded pH Probe

$100.0050.00

Original Online Industrial PH Controller ORP Meter Monitor Digital 0.02 PH 1MV U

Original Online Industrial PH Controller ORP Meter Monitor Digital 0.02 PH 1MV U

$79.8039.90