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30% off
PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

$15.70$22.43

10 sold
28% off
Redox Potential Analyzer Test Pen Calibration 256 ORP Buffer Calibration Powder F1FB Redox Potential Analyzer Test Pen Calibration 256 ORP Buffer Calibration Powder F1FB

Redox Potential Analyzer Test Pen Calibration 256 ORP Buffer Calibration Powder F1FB

$0.68$0.95

8 sold
50% off
ORP Redox Electrode Combination BNC Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 3m Extra Long Cable ORP Redox Electrode Combination BNC Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 3m Extra Long Cable

ORP Redox Electrode Combination BNC Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 3m Extra Long Cable

$154.31$308.62

4 sold
48% off
ORP Meter Tester Professional ORP Redox ORP-169E Waterproof Drinking Water Quality Testing 0~+/-1999mV for Aquariums Hydroponics ORP Meter Tester Professional ORP Redox ORP-169E Waterproof Drinking Water Quality Testing 0~+/-1999mV for Aquariums Hydroponics

ORP Meter Tester Professional ORP Redox ORP-169E Waterproof Drinking Water Quality Testing 0~+/-1999mV for Aquariums Hydroponics

$117.16$228.80

12 sold
12% off
Yieryi 10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid Yieryi 10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

Yieryi 10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

$12.54$14.25

3 sold
Digital 3 in 1 PH/TEMP/ORP Meters PH Meter Redox Potential Tester TDS Detector Monitor PH Multi-Parameter Water Quality Tester Digital 3 in 1 PH/TEMP/ORP Meters PH Meter Redox Potential Tester TDS Detector Monitor PH Multi-Parameter Water Quality Tester

Digital 3 in 1 PH/TEMP/ORP Meters PH Meter Redox Potential Tester TDS Detector Monitor PH Multi-Parameter Water Quality Tester

$28.30$28.30

8 sold
7 in 1 Water Quality Tester PH TDS EC ORP redox Salinity S. G Temperature TEMP Meter C-600 for Drinking Water Aquariums PH Test 7 in 1 Water Quality Tester PH TDS EC ORP redox Salinity S. G Temperature TEMP Meter C-600 for Drinking Water Aquariums PH Test

7 in 1 Water Quality Tester PH TDS EC ORP redox Salinity S. G Temperature TEMP Meter C-600 for Drinking Water Aquariums PH Test

$203.70$203.70

6 sold
8% off
Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

$10.12$11.00

10 sold
52% off
3 in 1 Multi-parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen for Aquarium Pool 3 in 1 Multi-parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen for Aquarium Pool

3 in 1 Multi-parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen for Aquarium Pool

$140.71$293.15

112 sold
25% off
ORP Redox Electrode Combination BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long ORP Redox Electrode Combination BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long

ORP Redox Electrode Combination BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long

$109.70$146.27

13 sold
Water Quality Test Pen PH EC ORP Calibration Buffer Redox Potential Pen Calibration Fluid Standard Solution Multiple Liqu Water Quality Test Pen PH EC ORP Calibration Buffer Redox Potential Pen Calibration Fluid Standard Solution Multiple Liqu

Water Quality Test Pen PH EC ORP Calibration Buffer Redox Potential Pen Calibration Fluid Standard Solution Multiple Liqu

$4.59$4.59

3 sold
Laboratory Sealed Electrolysis Cell – 50/100/250ml Capacity, 5-Port Design for Redox Reaction & Electrochemical Studies Laboratory Sealed Electrolysis Cell – 50/100/250ml Capacity, 5-Port Design for Redox Reaction & Electrochemical Studies

Laboratory Sealed Electrolysis Cell – 50/100/250ml Capacity, 5-Port Design for Redox Reaction & Electrochemical Studies

$694.36$694.36

50% off
169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking 169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking

169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking

$112.46$228.79

10 sold
44% off
0~±1999mV ORP-969 Redox Tester ORP Negative Potential Pen Convenient and Highly Accurate Water Testing Instruments 0~±1999mV ORP-969 Redox Tester ORP Negative Potential Pen Convenient and Highly Accurate Water Testing Instruments

0~±1999mV ORP-969 Redox Tester ORP Negative Potential Pen Convenient and Highly Accurate Water Testing Instruments

$13.38$23.90

3 sold
47% off
yieryi Waterproof orp Water Quality Tester ORP/Redox Meter for Pools Aquarium yieryi Waterproof orp Water Quality Tester ORP/Redox Meter for Pools Aquarium

yieryi Waterproof orp Water Quality Tester ORP/Redox Meter for Pools Aquarium

$21.46$40.50

2 sold
8% off
C002 Three Port Ordinary Electrolytic Cell Laboratory Electrolytic Cell Redox Reactor Electrochemical Trielectrode C002 Three Port Ordinary Electrolytic Cell Laboratory Electrolytic Cell Redox Reactor Electrochemical Trielectrode

C002 Three Port Ordinary Electrolytic Cell Laboratory Electrolytic Cell Redox Reactor Electrochemical Trielectrode

$10.12$11.00

38 sold
ORP Tester 169E/169F ORP Detector Redox Tester Waterproof ORP Meter 1999mV Water Quality Measurement Test Tool 50%off ORP Tester 169E/169F ORP Detector Redox Tester Waterproof ORP Meter 1999mV Water Quality Measurement Test Tool 50%off

ORP Tester 169E/169F ORP Detector Redox Tester Waterproof ORP Meter 1999mV Water Quality Measurement Test Tool 50%off

$16.58$16.58

7 sold
50% off
LCD ORP Meter ORP-2069 Water Quantity Tester Backlight Pen Type 0~±1999mV ORP Redox Detector For Pool Aquaculture LCD ORP Meter ORP-2069 Water Quantity Tester Backlight Pen Type 0~±1999mV ORP Redox Detector For Pool Aquaculture

LCD ORP Meter ORP-2069 Water Quantity Tester Backlight Pen Type 0~±1999mV ORP Redox Detector For Pool Aquaculture

$113.36$230.60

7 sold
PH-803 Digital 2&1 PH ORP Redox Controller w/ Output Power Relay Monitor for Aquarium Hydroponics Plant Pool Spa BNC 110V 220V PH-803 Digital 2&1 PH ORP Redox Controller w/ Output Power Relay Monitor for Aquarium Hydroponics Plant Pool Spa BNC 110V 220V

PH-803 Digital 2&1 PH ORP Redox Controller w/ Output Power Relay Monitor for Aquarium Hydroponics Plant Pool Spa BNC 110V 220V

$88.28$88.28

5 sold
48% off
ORP Meter Tester -1999~1999mV 1-point Calibration Oxidation Reduction Potential Water Orp Tester Controller Swimming Pools Redox ORP Meter Tester -1999~1999mV 1-point Calibration Oxidation Reduction Potential Water Orp Tester Controller Swimming Pools Redox

ORP Meter Tester -1999~1999mV 1-point Calibration Oxidation Reduction Potential Water Orp Tester Controller Swimming Pools Redox

$183.44$356.20

1 sold
ORP REDOX Electrode 50 OHM BNC Type Connector Replaceable with 200cm Long Cable for Drinking, Domestic and Rainwater ORP REDOX Electrode 50 OHM BNC Type Connector Replaceable with 200cm Long Cable for Drinking, Domestic and Rainwater

ORP REDOX Electrode 50 OHM BNC Type Connector Replaceable with 200cm Long Cable for Drinking, Domestic and Rainwater

$9.90$9.90

1 sold
30% off
ORP Redox Sonde 1.2cm Diameter 300cm Cable For Tester Meter Aquarium Equipment Water Tester BNC Type Connector Replacement Probe ORP Redox Sonde 1.2cm Diameter 300cm Cable For Tester Meter Aquarium Equipment Water Tester BNC Type Connector Replacement Probe

ORP Redox Sonde 1.2cm Diameter 300cm Cable For Tester Meter Aquarium Equipment Water Tester BNC Type Connector Replacement Probe

$19.47$27.81

20 sold
ORP Redox Electrode BNC Type Connector Replacement Probe 300cm Cable For Tester Meter Aquarium Equipment Water Tester ORP Redox Electrode BNC Type Connector Replacement Probe 300cm Cable For Tester Meter Aquarium Equipment Water Tester

ORP Redox Electrode BNC Type Connector Replacement Probe 300cm Cable For Tester Meter Aquarium Equipment Water Tester

$27.88$27.88

21 sold
50% off
New ORP/Redox Tester waterproof ORP Meter Tester Monitor Pen Water Quality Analyzer for Drinking Aquarium Swimming Pool New ORP/Redox Tester waterproof ORP Meter Tester Monitor Pen Water Quality Analyzer for Drinking Aquarium Swimming Pool

New ORP/Redox Tester waterproof ORP Meter Tester Monitor Pen Water Quality Analyzer for Drinking Aquarium Swimming Pool

$111.58$226.98

7 sold
PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

$14.37$14.37

19 sold
50% off
ORP-169E Digital ORP Meter Drinking Water Quality Tester LCD Display 0~+/-1999mV ORP Redox Tester for Aquarium and Swimming Pool ORP-169E Digital ORP Meter Drinking Water Quality Tester LCD Display 0~+/-1999mV ORP Redox Tester for Aquarium and Swimming Pool

ORP-169E Digital ORP Meter Drinking Water Quality Tester LCD Display 0~+/-1999mV ORP Redox Tester for Aquarium and Swimming Pool

$115.02$230.04

ORP169F ORP Meter Redox Potential Tester Digital Water Monitor Negative Potential Pen Tester 30% off ORP169F ORP Meter Redox Potential Tester Digital Water Monitor Negative Potential Pen Tester 30% off

ORP169F ORP Meter Redox Potential Tester Digital Water Monitor Negative Potential Pen Tester 30% off

$19.70$19.70

1 sold
8% off
Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

$10.12$11.00

6 sold
50% off
3 in 1 ORP TEMP pH Meters Waterproof ORP Meter PH Tester Redox Potential Testers Water Quality Measure Tool Water Detector 3 in 1 ORP TEMP pH Meters Waterproof ORP Meter PH Tester Redox Potential Testers Water Quality Measure Tool Water Detector

3 in 1 ORP TEMP pH Meters Waterproof ORP Meter PH Tester Redox Potential Testers Water Quality Measure Tool Water Detector

$179.85$362.29

8 sold
26% off
Yieryi ORP-16911 ORP/Redox Tester -1999MV-1999MV Waterproof ORP Meter Tester Water Quantity Pool Tester ORP Meter with Backlight Yieryi ORP-16911 ORP/Redox Tester -1999MV-1999MV Waterproof ORP Meter Tester Water Quantity Pool Tester ORP Meter with Backlight

Yieryi ORP-16911 ORP/Redox Tester -1999MV-1999MV Waterproof ORP Meter Tester Water Quantity Pool Tester ORP Meter with Backlight

$20.26$27.38

3 sold
27% off
Yieryi1/3/5/10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid Yieryi1/3/5/10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

Yieryi1/3/5/10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

$5.55$7.60

29 sold
50% off
2 in 1 Soil Detector ORP Temperature Soil Redox Potentiometer Temp ORP Analyzer LCD Screen Waterproof for Hydroponics Planting 2 in 1 Soil Detector ORP Temperature Soil Redox Potentiometer Temp ORP Analyzer LCD Screen Waterproof for Hydroponics Planting

2 in 1 Soil Detector ORP Temperature Soil Redox Potentiometer Temp ORP Analyzer LCD Screen Waterproof for Hydroponics Planting

$279.68$563.33

2 sold
54% off
2 in 1 PH ORP Controller Monitor Digital Redox with Output Power Relay Control Electrode Probe BNC for Hydroponics Plants 2 in 1 PH ORP Controller Monitor Digital Redox with Output Power Relay Control Electrode Probe BNC for Hydroponics Plants

2 in 1 PH ORP Controller Monitor Digital Redox with Output Power Relay Control Electrode Probe BNC for Hydroponics Plants

$563.96$1226.01

45 sold
48% off
92MF 2-in-1 PH ORP Redox Controller Wifi Output Power Water Quality 92MF 2-in-1 PH ORP Redox Controller Wifi Output Power Water Quality

92MF 2-in-1 PH ORP Redox Controller Wifi Output Power Water Quality

$520.41$1000.78

27% off
Portable Pen ORP Meter Redox Potential Tester Negative Potential Pen Tester ORP Meter with ORP calibration powder Portable Pen ORP Meter Redox Potential Tester Negative Potential Pen Tester ORP Meter with ORP calibration powder

Portable Pen ORP Meter Redox Potential Tester Negative Potential Pen Tester ORP Meter with ORP calibration powder

$10.95$15.00

3 sold
36% off
ORP Electrode Probe Test Aquarium Hydroponic Laboratory Electrode Measuring The Redox Potential BNC Q9 Connector Easy To Use ORP Electrode Probe Test Aquarium Hydroponic Laboratory Electrode Measuring The Redox Potential BNC Q9 Connector Easy To Use

ORP Electrode Probe Test Aquarium Hydroponic Laboratory Electrode Measuring The Redox Potential BNC Q9 Connector Easy To Use

$10.44$16.32

5 sold
30% off
PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

$15.70 $22.43

10 sold

Categories: Tools, Measurement & Analysis Instruments

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28% off
Redox Potential Analyzer Test Pen Calibration 256 ORP Buffer Calibration Powder F1FB Redox Potential Analyzer Test Pen Calibration 256 ORP Buffer Calibration Powder F1FB

Redox Potential Analyzer Test Pen Calibration 256 ORP Buffer Calibration Powder F1FB

$0.68 $0.95

8 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
ORP Redox Electrode Combination BNC Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 3m Extra Long Cable ORP Redox Electrode Combination BNC Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 3m Extra Long Cable

ORP Redox Electrode Combination BNC Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 3m Extra Long Cable

$154.31 $308.62

4 sold

Categories: Tools, Measurement & Analysis Instruments

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48% off
ORP Meter Tester Professional ORP Redox ORP-169E Waterproof Drinking Water Quality Testing 0~+/-1999mV for Aquariums Hydroponics ORP Meter Tester Professional ORP Redox ORP-169E Waterproof Drinking Water Quality Testing 0~+/-1999mV for Aquariums Hydroponics

ORP Meter Tester Professional ORP Redox ORP-169E Waterproof Drinking Water Quality Testing 0~+/-1999mV for Aquariums Hydroponics

$117.16 $228.80

12 sold

Categories: Tools, Measurement & Analysis Instruments

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12% off
Yieryi 10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid Yieryi 10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

Yieryi 10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

$12.54 $14.25

3 sold

Categories: Tools, Measurement & Analysis Instruments

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Digital 3 in 1 PH/TEMP/ORP Meters PH Meter Redox Potential Tester TDS Detector Monitor PH Multi-Parameter Water Quality Tester Digital 3 in 1 PH/TEMP/ORP Meters PH Meter Redox Potential Tester TDS Detector Monitor PH Multi-Parameter Water Quality Tester

Digital 3 in 1 PH/TEMP/ORP Meters PH Meter Redox Potential Tester TDS Detector Monitor PH Multi-Parameter Water Quality Tester

$28.30 $28.30

8 sold

Categories: Tools, Measurement & Analysis Instruments

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7 in 1 Water Quality Tester PH TDS EC ORP redox Salinity S. G Temperature TEMP Meter C-600 for Drinking Water Aquariums PH Test 7 in 1 Water Quality Tester PH TDS EC ORP redox Salinity S. G Temperature TEMP Meter C-600 for Drinking Water Aquariums PH Test

7 in 1 Water Quality Tester PH TDS EC ORP redox Salinity S. G Temperature TEMP Meter C-600 for Drinking Water Aquariums PH Test

$203.70 $203.70

6 sold

Categories: Tools, Measurement & Analysis Instruments

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8% off
Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

$10.12 $11.00

10 sold

Categories: Tools, Measurement & Analysis Instruments

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52% off
3 in 1 Multi-parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen for Aquarium Pool 3 in 1 Multi-parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen for Aquarium Pool

3 in 1 Multi-parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen for Aquarium Pool

$140.71 $293.15

112 sold

Categories: Tools, Measurement & Analysis Instruments

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25% off
ORP Redox Electrode Combination BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long ORP Redox Electrode Combination BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long

ORP Redox Electrode Combination BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long

$109.70 $146.27

13 sold

Categories: Tools, Measurement & Analysis Instruments

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Water Quality Test Pen PH EC ORP Calibration Buffer Redox Potential Pen Calibration Fluid Standard Solution Multiple Liqu Water Quality Test Pen PH EC ORP Calibration Buffer Redox Potential Pen Calibration Fluid Standard Solution Multiple Liqu

Water Quality Test Pen PH EC ORP Calibration Buffer Redox Potential Pen Calibration Fluid Standard Solution Multiple Liqu

$4.59 $4.59

3 sold

Categories: Tools, Measurement & Analysis Instruments

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Laboratory Sealed Electrolysis Cell – 50/100/250ml Capacity, 5-Port Design for Redox Reaction & Electrochemical Studies Laboratory Sealed Electrolysis Cell – 50/100/250ml Capacity, 5-Port Design for Redox Reaction & Electrochemical Studies

Laboratory Sealed Electrolysis Cell – 50/100/250ml Capacity, 5-Port Design for Redox Reaction & Electrochemical Studies

$694.36 $694.36

Categories: Tools, Measurement & Analysis Instruments

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50% off
169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking 169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking

169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking

$112.46 $228.79

10 sold

Categories: Tools, Measurement & Analysis Instruments

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44% off
0~±1999mV ORP-969 Redox Tester ORP Negative Potential Pen Convenient and Highly Accurate Water Testing Instruments 0~±1999mV ORP-969 Redox Tester ORP Negative Potential Pen Convenient and Highly Accurate Water Testing Instruments

0~±1999mV ORP-969 Redox Tester ORP Negative Potential Pen Convenient and Highly Accurate Water Testing Instruments

$13.38 $23.90

3 sold

Categories: Tools, Measurement & Analysis Instruments

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47% off
yieryi Waterproof orp Water Quality Tester ORP/Redox Meter for Pools Aquarium yieryi Waterproof orp Water Quality Tester ORP/Redox Meter for Pools Aquarium

yieryi Waterproof orp Water Quality Tester ORP/Redox Meter for Pools Aquarium

$21.46 $40.50

2 sold

Categories: Tools, Measurement & Analysis Instruments

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8% off
C002 Three Port Ordinary Electrolytic Cell Laboratory Electrolytic Cell Redox Reactor Electrochemical Trielectrode C002 Three Port Ordinary Electrolytic Cell Laboratory Electrolytic Cell Redox Reactor Electrochemical Trielectrode

C002 Three Port Ordinary Electrolytic Cell Laboratory Electrolytic Cell Redox Reactor Electrochemical Trielectrode

$10.12 $11.00

38 sold

Categories: Tools, Measurement & Analysis Instruments

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ORP Tester 169E/169F ORP Detector Redox Tester Waterproof ORP Meter 1999mV Water Quality Measurement Test Tool 50%off ORP Tester 169E/169F ORP Detector Redox Tester Waterproof ORP Meter 1999mV Water Quality Measurement Test Tool 50%off

ORP Tester 169E/169F ORP Detector Redox Tester Waterproof ORP Meter 1999mV Water Quality Measurement Test Tool 50%off

$16.58 $16.58

7 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
LCD ORP Meter ORP-2069 Water Quantity Tester Backlight Pen Type 0~±1999mV ORP Redox Detector For Pool Aquaculture LCD ORP Meter ORP-2069 Water Quantity Tester Backlight Pen Type 0~±1999mV ORP Redox Detector For Pool Aquaculture

LCD ORP Meter ORP-2069 Water Quantity Tester Backlight Pen Type 0~±1999mV ORP Redox Detector For Pool Aquaculture

$113.36 $230.60

7 sold

Categories: Tools, Measurement & Analysis Instruments

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PH-803 Digital 2&1 PH ORP Redox Controller w/ Output Power Relay Monitor for Aquarium Hydroponics Plant Pool Spa BNC 110V 220V PH-803 Digital 2&1 PH ORP Redox Controller w/ Output Power Relay Monitor for Aquarium Hydroponics Plant Pool Spa BNC 110V 220V

PH-803 Digital 2&1 PH ORP Redox Controller w/ Output Power Relay Monitor for Aquarium Hydroponics Plant Pool Spa BNC 110V 220V

$88.28 $88.28

5 sold

Categories: Tools, Measurement & Analysis Instruments

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48% off
ORP Meter Tester -1999~1999mV 1-point Calibration Oxidation Reduction Potential Water Orp Tester Controller Swimming Pools Redox ORP Meter Tester -1999~1999mV 1-point Calibration Oxidation Reduction Potential Water Orp Tester Controller Swimming Pools Redox

ORP Meter Tester -1999~1999mV 1-point Calibration Oxidation Reduction Potential Water Orp Tester Controller Swimming Pools Redox

$183.44 $356.20

1 sold

Categories: Tools, Measurement & Analysis Instruments

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ORP REDOX Electrode 50 OHM BNC Type Connector Replaceable with 200cm Long Cable for Drinking, Domestic and Rainwater ORP REDOX Electrode 50 OHM BNC Type Connector Replaceable with 200cm Long Cable for Drinking, Domestic and Rainwater

ORP REDOX Electrode 50 OHM BNC Type Connector Replaceable with 200cm Long Cable for Drinking, Domestic and Rainwater

$9.90 $9.90

1 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
ORP Redox Sonde 1.2cm Diameter 300cm Cable For Tester Meter Aquarium Equipment Water Tester BNC Type Connector Replacement Probe ORP Redox Sonde 1.2cm Diameter 300cm Cable For Tester Meter Aquarium Equipment Water Tester BNC Type Connector Replacement Probe

ORP Redox Sonde 1.2cm Diameter 300cm Cable For Tester Meter Aquarium Equipment Water Tester BNC Type Connector Replacement Probe

$19.47 $27.81

20 sold

Categories: Tools, Measurement & Analysis Instruments

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ORP Redox Electrode BNC Type Connector Replacement Probe 300cm Cable For Tester Meter Aquarium Equipment Water Tester ORP Redox Electrode BNC Type Connector Replacement Probe 300cm Cable For Tester Meter Aquarium Equipment Water Tester

ORP Redox Electrode BNC Type Connector Replacement Probe 300cm Cable For Tester Meter Aquarium Equipment Water Tester

$27.88 $27.88

21 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
New ORP/Redox Tester waterproof ORP Meter Tester Monitor Pen Water Quality Analyzer for Drinking Aquarium Swimming Pool New ORP/Redox Tester waterproof ORP Meter Tester Monitor Pen Water Quality Analyzer for Drinking Aquarium Swimming Pool

New ORP/Redox Tester waterproof ORP Meter Tester Monitor Pen Water Quality Analyzer for Drinking Aquarium Swimming Pool

$111.58 $226.98

7 sold

Categories: Tools, Measurement & Analysis Instruments

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PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

PH ORP Electrode Probe Measurement of Redox Potential BNC Connector Glass Ball Probe for Aquarium Hydroponics Labs

$14.37 $14.37

19 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
ORP-169E Digital ORP Meter Drinking Water Quality Tester LCD Display 0~+/-1999mV ORP Redox Tester for Aquarium and Swimming Pool ORP-169E Digital ORP Meter Drinking Water Quality Tester LCD Display 0~+/-1999mV ORP Redox Tester for Aquarium and Swimming Pool

ORP-169E Digital ORP Meter Drinking Water Quality Tester LCD Display 0~+/-1999mV ORP Redox Tester for Aquarium and Swimming Pool

$115.02 $230.04

Categories: Tools, Measurement & Analysis Instruments

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ORP169F ORP Meter Redox Potential Tester Digital Water Monitor Negative Potential Pen Tester 30% off ORP169F ORP Meter Redox Potential Tester Digital Water Monitor Negative Potential Pen Tester 30% off

ORP169F ORP Meter Redox Potential Tester Digital Water Monitor Negative Potential Pen Tester 30% off

$19.70 $19.70

1 sold

Categories: Tools, Measurement & Analysis Instruments

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8% off
Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

Electrolytic cell, common electrolytic cell, REDOX reactor, three electrode system. 15 /20/30/50/60/150/100/200/300/500/1000ml

$10.12 $11.00

6 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
3 in 1 ORP TEMP pH Meters Waterproof ORP Meter PH Tester Redox Potential Testers Water Quality Measure Tool Water Detector 3 in 1 ORP TEMP pH Meters Waterproof ORP Meter PH Tester Redox Potential Testers Water Quality Measure Tool Water Detector

3 in 1 ORP TEMP pH Meters Waterproof ORP Meter PH Tester Redox Potential Testers Water Quality Measure Tool Water Detector

$179.85 $362.29

8 sold

Categories: Tools, Measurement & Analysis Instruments

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26% off
Yieryi ORP-16911 ORP/Redox Tester -1999MV-1999MV Waterproof ORP Meter Tester Water Quantity Pool Tester ORP Meter with Backlight Yieryi ORP-16911 ORP/Redox Tester -1999MV-1999MV Waterproof ORP Meter Tester Water Quantity Pool Tester ORP Meter with Backlight

Yieryi ORP-16911 ORP/Redox Tester -1999MV-1999MV Waterproof ORP Meter Tester Water Quantity Pool Tester ORP Meter with Backlight

$20.26 $27.38

3 sold

Categories: Tools, Measurement & Analysis Instruments

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27% off
Yieryi1/3/5/10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid Yieryi1/3/5/10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

Yieryi1/3/5/10 Pcs ORP Calibration Powder Buffer Powder ORP Tester Calibration Solution Redox Calibration Fluid

$5.55 $7.60

29 sold

Categories: Tools, Measurement & Analysis Instruments

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