Orp Meter(348)
Uses item details. Price when purchased online
7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $28.34 Was $31.49
Sponsored
Now$2834
current price Now $28.34, Was $31.49$31.49
7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
15 out of 5 Stars. 1 reviews
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Wiher Digital PH Meter, 7 in 1 Water Tester TDS Meter/Salinity Tester/Temp/pH Meter/EC/S.G/ORP Meter for Pool, Fish Tank, Drinking water, hydroponics, Black $28.99
Sponsored
$2899
current price $28.99Wiher Digital PH Meter, 7 in 1 Water Tester TDS Meter/Salinity Tester/Temp/pH Meter/EC/S.G/ORP Meter for Pool, Fish Tank, Drinking water, hydroponics, Black
11 out of 5 Stars. 1 reviews
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NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure $22.87
Sponsored
$2287
current price $22.87NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure
Best seller 10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $29.99 Was $39.99
Sponsored
Now$2999
current price Now $29.99, Was $39.99$39.99
10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
463.5 out of 5 Stars. 46 reviews
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Best seller Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS $297.00
$29700
current price $297.00Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS
624.6 out of 5 Stars. 62 reviews
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Best seller 10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $29.99 Was $39.99
Now$2999
current price Now $29.99, Was $39.99$39.99
10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
463.5 out of 5 Stars. 46 reviews
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Chlorine & PH Meter, 5 in 1 Water Quality Tester for Chlorine/PH/ORP/H2/Temp, Digital pH and Chlorine Tester for Hot Tub Drinking Water Quality Analysis Monitor $26.99
$2699
current price $26.99Chlorine & PH Meter, 5 in 1 Water Quality Tester for Chlorine/PH/ORP/H2/Temp, Digital pH and Chlorine Tester for Hot Tub Drinking Water Quality Analysis Monitor
62.8 out of 5 Stars. 6 reviews
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M Buder 4-in-1 Digital ORP H2 pH Temp Meter, High Sensitivity Hydrogen Water Tester Pen with Backlit LCD Display for Pool Fish Tank and Drinking Water, 7.09 inches / 18 cm $28.51
$2851
current price $28.51M Buder 4-in-1 Digital ORP H2 pH Temp Meter, High Sensitivity Hydrogen Water Tester Pen with Backlit LCD Display for Pool Fish Tank and Drinking Water, 7.09 inches / 18 cm
Digital PH Meter, Pool Salt Tester, Multifunctional 7 in 1 Salinity/TDS/EC/Temp/ORP/S. G/PH, Water Quality Testing Kit for Tester Drinking Water,Swimming Pool, Sea Water, Aquarium, Hydroponics $27.99
$2799
current price $27.99Digital PH Meter, Pool Salt Tester, Multifunctional 7 in 1 Salinity/TDS/EC/Temp/ORP/S. G/PH, Water Quality Testing Kit for Tester Drinking Water,Swimming Pool, Sea Water, Aquarium, Hydroponics
34 out of 5 Stars. 3 reviews
WiFi Solar Floating Swimming Pool Water Quality Tester 7 In 1 PH TDS ORP Salt EC Temp Chlorine Test Meter Work With Tuy/a ZigBe/e $185.76
$18576
current price $185.76WiFi Solar Floating Swimming Pool Water Quality Tester 7 In 1 PH TDS ORP Salt EC Temp Chlorine Test Meter Work With Tuy/a ZigBe/e
PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool $27.99 Was $39.99
Sponsored
Now$2799
current price Now $27.99, Was $39.99$39.99
PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool
314.2 out of 5 Stars. 31 reviews
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MUSICOZY pH Meter for Water, 5 in 1 pH Temp EC TDS Meter for Hydroponics PPM Water Tester Digital, pH Tester Digital with ATC, TDS pH Meter for Water, Wine, Pool, Hydroponics and Aquariums $19.99
Sponsored
$1999
current price $19.99MUSICOZY pH Meter for Water, 5 in 1 pH Temp EC TDS Meter for Hydroponics PPM Water Tester Digital, pH Tester Digital with ATC, TDS pH Meter for Water, Wine, Pool, Hydroponics and Aquariums
63.5 out of 5 Stars. 6 reviews
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Hydrogen Water Quality Tester H2 Monitor, TEMP & ORP Meter 0-2400PPb for Drinking Water, Aquariums, Spa $19.42
$1942
current price $19.42Hydrogen Water Quality Tester H2 Monitor, TEMP & ORP Meter 0-2400PPb for Drinking Water, Aquariums, Spa
M Buder 3-in-1 Digital PH ORP Temp Meter Portable Water Quality Tester Pen for Swimming Pools Aquariums Hydroponics LCD Display Professional Testing Kit $26.06
$2606
current price $26.06M Buder 3-in-1 Digital PH ORP Temp Meter Portable Water Quality Tester Pen for Swimming Pools Aquariums Hydroponics LCD Display Professional Testing Kit
New 7 in 1 PH/TDS/EC/ORP/Salinity /S. G/Temperature Meter C-600 Water Quality Tester for Drinking Water, Aquariums PH Meter $46.38
$4638
current price $46.38New 7 in 1 PH/TDS/EC/ORP/Salinity /S. G/Temperature Meter C-600 Water Quality Tester for Drinking Water, Aquariums PH Meter
YAHHU Smart 7-in-1 Bluetooth Water Quality Detection Pen, High Sensitivity Probe pH/TDS/EC/ORP/SG/Salinity/Temp Meter, 0.01 Resolution Digital Tester $45.57
$4557
current price $45.57YAHHU Smart 7-in-1 Bluetooth Water Quality Detection Pen, High Sensitivity Probe pH/TDS/EC/ORP/SG/Salinity/Temp Meter, 0.01 Resolution Digital Tester
Aiper HydroComm Pro Smart Pool Monitor for Scuba X1 Series, Digital Pool & Spa Water Tester for TDS, EC, pH, Temp & ORP $379.98
$37998
current price $379.98Aiper HydroComm Pro Smart Pool Monitor for Scuba X1 Series, Digital Pool & Spa Water Tester for TDS, EC, pH, Temp & ORP
184.8 out of 5 Stars. 18 reviews
YAHHU 4-in-1 ORP H2 PH Temp Meter High Sensitivity Backlit LCD Display Hydrogen Water Quality Tester for Pool Fish Tank Drinking Water Hydroponics (7.09 inches / 18.0 cm) $32.51
$3251
current price $32.51YAHHU 4-in-1 ORP H2 PH Temp Meter High Sensitivity Backlit LCD Display Hydrogen Water Quality Tester for Pool Fish Tank Drinking Water Hydroponics (7.09 inches / 18.0 cm)
Plant Water Meter, pH Meter, 7 in 1 Digital Water Tester for pH TDS EC SALT ORP TEMP Fertility, TDS Meter for Hydroponics, Aquarium, Swimming Pool, Hot Tub $43.99
$4399
current price $43.99Plant Water Meter, pH Meter, 7 in 1 Digital Water Tester for pH TDS EC SALT ORP TEMP Fertility, TDS Meter for Hydroponics, Aquarium, Swimming Pool, Hot Tub
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6-in-1 Residual Chlorine Monitor PH/ORP/EC/TDS Water Monitor Testing Backlit LCD Display Glass Probe for Home Swimming Pool $93.05
$9305
current price $93.056-in-1 Residual Chlorine Monitor PH/ORP/EC/TDS Water Monitor Testing Backlit LCD Display Glass Probe for Home Swimming Pool
5 in 1 Tester Pool Salt Tester & pH Meter with Temperature, Digital Meter and PH Tester for Water, PH/TDS/EC/Salinity/Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $21.99
Sponsored
$2199
current price $21.995 in 1 Tester Pool Salt Tester & pH Meter with Temperature, Digital Meter and PH Tester for Water, PH/TDS/EC/Salinity/Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
11 out of 5 Stars. 1 reviews
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pH Meter for Water 4 in 1 pH Temp EC TDS Meter for Hydroponics PPM and Water Tester Digital pH Meter for Nutrients Growing Hydroponics Gardening Laboratory Household Drinking $15.99
Sponsored
$1599
current price $15.99pH Meter for Water 4 in 1 pH Temp EC TDS Meter for Hydroponics PPM and Water Tester Digital pH Meter for Nutrients Growing Hydroponics Gardening Laboratory Household Drinking
24.5 out of 5 Stars. 2 reviews
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ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester $26.53
$2653
current price $26.53ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester
Digital PH Merer Pen-type ORP Meter ORP Tester Water/ MV Meter/ Oxidation Reduction Potential Tester $43.53
$4353
current price $43.53Digital PH Merer Pen-type ORP Meter ORP Tester Water/ MV Meter/ Oxidation Reduction Potential Tester
NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure $22.87
$2287
current price $22.87NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure
7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $28.34 Was $31.49
Now$2834
current price Now $28.34, Was $31.49$31.49
7 in 1 Digital Water Tester, PH/TDS/EC/SALT/SG/ORP/TEMP, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
15 out of 5 Stars. 1 reviews
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7 In 1 Digital Multifunction Humidity Temp ORP TDS EC CF PH Meter Water Quality Purity Tester Device Monitor For Aquarium Pool ,Accurate - BLACK_RS485 $138.53
$13853
current price $138.537 In 1 Digital Multifunction Humidity Temp ORP TDS EC CF PH Meter Water Quality Purity Tester Device Monitor For Aquarium Pool ,Accurate - BLACK_RS485
PH/CL2/H2/ORP/Temperature Meter Chlorine Detector Digital 5 In 1 Water Quality Tester for Swimming Pools Drinking Water Aquarium From $42.62
From$4262
PH/CL2/H2/ORP/Temperature Meter Chlorine Detector Digital 5 In 1 Water Quality Tester for Swimming Pools Drinking Water Aquarium
PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool $27.99 Was $39.99
Now$2799
current price Now $27.99, Was $39.99$39.99
PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool
314.2 out of 5 Stars. 31 reviews
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ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester $23.69
$2369
current price $23.69ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester
Best seller Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $23.99 Was $29.99
Sponsored
Now$2399
current price Now $23.99, Was $29.99$29.99
Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
383.5 out of 5 Stars. 38 reviews
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YAHHU 7-in-1 Digital Water Quality Tester Pen for pH ORP EC TDS SALT S.G Temperature High Accuracy Monitor with LCD Display for Drinking Water Pool Aquarium 7.08 inches / 18 cm[cite: 1] $44.71
![YAHHU 7-in-1 Digital Water Quality Tester Pen for pH ORP EC TDS SALT S.G Temperature High Accuracy Monitor with LCD Display for Drinking Water Pool Aquarium 7.08 inches / 18 cm[cite: 1]](https://i5.walmartimages.com/seo/YAHHU-7-in-1-Digital-Water-Quality-Tester-Pen-pH-ORP-EC-TDS-SALT-S-G-Temperature-High-Accuracy-Monitor-LCD-Display-Drinking-Water-Pool-Aquarium-7-08_5bc158fb-23fc-4853-be25-8ec6790e2b75.61b41c92f33468911432792f7de3a812.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$4471
current price $44.71YAHHU 7-in-1 Digital Water Quality Tester Pen for pH ORP EC TDS SALT S.G Temperature High Accuracy Monitor with LCD Display for Drinking Water Pool Aquarium 7.08 inches / 18 cm[cite: 1]
Digital Chlorine Meter PH Tester 7 In 1 SALT/ ORP/ TDS/EC/TEMP Tester CL Water Quality Analyzer for Swimming Pool Hot Spring From $95.42
From$9542
Digital Chlorine Meter PH Tester 7 In 1 SALT/ ORP/ TDS/EC/TEMP Tester CL Water Quality Analyzer for Swimming Pool Hot Spring
ORP Tester, -1200~1200mV Measurement Range, Waterproof Design For Durability, Automatic Temperature Compensation Ensures Accurate Readings Regardless Of Water Temperature, Instant $35.09
$3509
current price $35.09ORP Tester, -1200~1200mV Measurement Range, Waterproof Design For Durability, Automatic Temperature Compensation Ensures Accurate Readings Regardless Of Water Temperature, Instant
Riousery Digital 5-in-1 Water Quality Test Pen, EZ-9910 PH ORP EC TDS TEMP Meter Tester for Aquarium, Aquaculture, Hydroponics, Pool and Spa $42.51
$4251
current price $42.51Riousery Digital 5-in-1 Water Quality Test Pen, EZ-9910 PH ORP EC TDS TEMP Meter Tester for Aquarium, Aquaculture, Hydroponics, Pool and Spa
TDS EC PH Salinity Meter ORP H2 S.G TEMP Water Quality Monitor Solution Fertilizer Resistivity Tester For Pools,Aquariums ,Pocket Size Sensor $68.38
$6838
current price $68.38TDS EC PH Salinity Meter ORP H2 S.G TEMP Water Quality Monitor Solution Fertilizer Resistivity Tester For Pools,Aquariums ,Pocket Size Sensor
Elowen ORP Meter Water Pen ORP Meter with Backlit Display Portable Oxidation Reduction Potential Industry and Experiment Analyzer Redox Meter Measure Household Drinking Water Quality Analysis $27.75
$2775
current price $27.75Elowen ORP Meter Water Pen ORP Meter with Backlit Display Portable Oxidation Reduction Potential Industry and Experiment Analyzer Redox Meter Measure Household Drinking Water Quality Analysis
Portable 6 In 1 Water Quality Detector PH EC TDS ORP Temperature Chlorine CL APP Display Swimming Pool 6in1 Water Quality Tester ,Reliable - BLUE_6 IN 1 NO SOLAR $111.07
$11107
current price $111.07Portable 6 In 1 Water Quality Detector PH EC TDS ORP Temperature Chlorine CL APP Display Swimming Pool 6in1 Water Quality Tester ,Reliable - BLUE_6 IN 1 NO SOLAR
Digital ORP Meter Pen, Portable Oxidation Reduction Potential Water Quality Tester ,Easy to Use $56.10
$5610
current price $56.10Digital ORP Meter Pen, Portable Oxidation Reduction Potential Water Quality Tester ,Easy to Use
5 In 1 Chlorine Meter PH Meters ORP H2 Temp Cl2 Detector Water Quality Monitor Test Tool Filter For Swimming Pool SPA Water From $43.59
From$4359
5 In 1 Chlorine Meter PH Meters ORP H2 Temp Cl2 Detector Water Quality Monitor Test Tool Filter For Swimming Pool SPA Water
Suodoka ORP-169A Digital ORP Meter Handheld Portable Water Quality Tester for Agriculture and Lab Use $33.98
$3398
current price $33.98Suodoka ORP-169A Digital ORP Meter Handheld Portable Water Quality Tester for Agriculture and Lab Use
5 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Pocket Size Sensor $65.22
$6522
current price $65.225 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Pocket Size Sensor
Digital Chlorine and ORP Meter, Household Water Testing Device for Tap & Drinking Water ,Easy to Use $70.87
$7087
current price $70.87Digital Chlorine and ORP Meter, Household Water Testing Device for Tap & Drinking Water ,Easy to Use
Riousery Water Quality Tester Bluetooth Accurate 7 in 1 PH ORP EC TDS SALT SG TEMP Smart App Monitor Meter Pen for Drinking Water Aquariums Hydroponics 7.1 inches / 18 cm $46.25
$4625
current price $46.25Riousery Water Quality Tester Bluetooth Accurate 7 in 1 PH ORP EC TDS SALT SG TEMP Smart App Monitor Meter Pen for Drinking Water Aquariums Hydroponics 7.1 inches / 18 cm
10 in 1 PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G./Resistivity/Temp Water Quality Meter Digital Multifunction Tester For Aquariums ,Multifunctional From $75.30
2 options
Available in additional 2 optionsFrom$7530
10 in 1 PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G./Resistivity/Temp Water Quality Meter Digital Multifunction Tester For Aquariums ,Multifunctional
Pool Salt Tester, Digital Salinity Meter, 8-in-1 Water Quality Testing Pen for TDS EC ORP Salinity and S.G for Pool Saltwater Aquarium and Hydroponic From $20.03
From$2003
Pool Salt Tester, Digital Salinity Meter, 8-in-1 Water Quality Testing Pen for TDS EC ORP Salinity and S.G for Pool Saltwater Aquarium and Hydroponic
Blue Tooth 7 In 1 PH Meter PH/EC/TDS/ORP/SALT/S.G/TEMP Online Monitor APP Intelligent For Drinking Aquarium Water Tester $64.81
$6481
current price $64.81Blue Tooth 7 In 1 PH Meter PH/EC/TDS/ORP/SALT/S.G/TEMP Online Monitor APP Intelligent For Drinking Aquarium Water Tester
Milwaukee Instruments pH/ORP/Temp Meter, Dual Level Tester Electrode PH58, 0.1 pH, 250 Hrs Battery $219.65
$21965
current price $219.65Milwaukee Instruments pH/ORP/Temp Meter, Dual Level Tester Electrode PH58, 0.1 pH, 250 Hrs Battery
BLE-C600 Bluetooth-compatible Water Quality Pen 7 In 1 PH EC TDS ORP SALT S.G TEM/P Meter APP Intelligent Control Tester $53.32
$5332
current price $53.32BLE-C600 Bluetooth-compatible Water Quality Pen 7 In 1 PH EC TDS ORP SALT S.G TEM/P Meter APP Intelligent Control Tester
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