Orp Meter(358)
Uses item details. Price when purchased online
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
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
443.5 out of 5 Stars. 44 reviews
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
304.1 out of 5 Stars. 30 reviews
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
Rupoun Digital Pen ORP Meter with Backlit LCD Portable Oxidation Reduction Potential Water Quality Tester (5.9 inches / 15 cm) $25.02
$2502
current price $25.02Rupoun Digital Pen ORP Meter with Backlit LCD Portable Oxidation Reduction Potential Water Quality Tester (5.9 inches / 15 cm)
NFTIGB Portable Digital ORP Tester Pen Water Quality Monitor Detachable Water ORP Meter For Aquarium Hydroponics Swimming Pools -1999 to 1999 mV Range $24.19
$2419
current price $24.19NFTIGB Portable Digital ORP Tester Pen Water Quality Monitor Detachable Water ORP Meter For Aquarium Hydroponics Swimming Pools -1999 to 1999 mV Range
NFTIGB ORP Detection Pen Exquisite Structure Durability High Stability Water Quality Tester Meter for Aquariums, Hydroponics, Pools, 7.48x2.75x1.18 Inches / 19x7x3 cm, Backlight Display $33.11
$3311
current price $33.11NFTIGB ORP Detection Pen Exquisite Structure Durability High Stability Water Quality Tester Meter for Aquariums, Hydroponics, Pools, 7.48x2.75x1.18 Inches / 19x7x3 cm, Backlight Display
M Buder ORP2069 Portable Water Quality Monitor Digital ORP Tester Pen Water ORP Meter (6.30 inches / 16.0 cm) $31.31
$3131
current price $31.31M Buder ORP2069 Portable Water Quality Monitor Digital ORP Tester Pen Water ORP Meter (6.30 inches / 16.0 cm)
Rupoun High-Accuracy Digital ORP Meter Pen, Professional Oxidation Reduction Potential Tester for Hydroponics and Water Quality Monitoring, 1100mV Range (7.4 x 1.5 inches / 18.8 x 3.9 cm) $47.16
$4716
current price $47.16Rupoun High-Accuracy Digital ORP Meter Pen, Professional Oxidation Reduction Potential Tester for Hydroponics and Water Quality Monitoring, 1100mV Range (7.4 x 1.5 inches / 18.8 x 3.9 cm)
NFTIGB 5in1 Water Quality Test Pen Chlorine PH ORP H2 Temperature Meter Multi-functional Mariculture Tester for Drinking Water Aquarium Aquaculture Swimming Pool (8.27 in / 21 cm)[cite: 1] $31.76
![NFTIGB 5in1 Water Quality Test Pen Chlorine PH ORP H2 Temperature Meter Multi-functional Mariculture Tester for Drinking Water Aquarium Aquaculture Swimming Pool (8.27 in / 21 cm)[cite: 1]](https://i5.walmartimages.com/seo/NFTIGB-5in1-Water-Quality-Test-Pen-Chlorine-PH-ORP-H2-Temperature-Meter-Multi-functional-Mariculture-Tester-Drinking-Water-Aquarium-Aquaculture-Swimm_f10f1553-cad8-42f2-b7a8-c30243252907.4db2b870161321ba19f213db537dfcb4.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$3176
current price $31.76NFTIGB 5in1 Water Quality Test Pen Chlorine PH ORP H2 Temperature Meter Multi-functional Mariculture Tester for Drinking Water Aquarium Aquaculture Swimming Pool (8.27 in / 21 cm)[cite: 1]
Reduced price 7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen $32.39 Was $35.99
Sponsored
Now$3239
current price Now $32.39, Was $35.99$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
11 out of 5 Stars. 1 reviews
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
Sponsored
$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
42.3 out of 5 Stars. 4 reviews
Deal Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS $197.00 Was $297.00
Now$19700
current price Now $197.00, Was $297.00$297.00
Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS
604.6 out of 5 Stars. 60 reviews
Rupoun ORP-969 Digital Redox Meter ORP Tester Pen (-1999mV to 1999mV) Portable Water Quality Tester for Aquarium, Hydroponics, Pool and Spa $31.52
$3152
current price $31.52Rupoun ORP-969 Digital Redox Meter ORP Tester Pen (-1999mV to 1999mV) Portable Water Quality Tester for Aquarium, Hydroponics, Pool and Spa
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 $28.72
$2872
current price $28.72M 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
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
42.3 out of 5 Stars. 4 reviews
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
443.5 out of 5 Stars. 44 reviews
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
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 $26.25
$2625
current price $26.25M Buder 3-in-1 Digital PH ORP Temp Meter Portable Water Quality Tester Pen for Swimming Pools Aquariums Hydroponics LCD Display Professional Testing Kit
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 $45.70
$4570
current price $45.70YAHHU 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
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 $20.99
Sponsored
$2099
current price $20.99NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure
Deal 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 $22.39 Was $24.99
Sponsored
Now$2239
current price Now $22.39, Was $24.99$24.99
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
34 out of 5 Stars. 3 reviews
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 Chlorine ORP EC TDS Temp PH Meter 6 In 1 Water Quality Tester ATC Smart APP Online Monitor For Swimming Pool ,Reliable $111.63
$11163
current price $111.63Digital Chlorine ORP EC TDS Temp PH Meter 6 In 1 Water Quality Tester ATC Smart APP Online Monitor For Swimming Pool ,Reliable
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
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 $20.99
$2099
current price $20.99NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure
Clearance Blarkrus 8-in-1 Water Quality Tester Pen, Measures Tds Ec Salinity Orp, for Drinking Water Aquarium Pool Hydroponics, Multicolor From $20.00
2 options
Available in additional 2 optionsFrom$2000
Blarkrus 8-in-1 Water Quality Tester Pen, Measures Tds Ec Salinity Orp, for Drinking Water Aquarium Pool Hydroponics, Multicolor
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
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
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
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
373.5 out of 5 Stars. 37 reviews
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 $22.99
Sponsored
$2299
current price $22.99MUSICOZY 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
Osfvolr 7 in 1 Water Tester Digital Water Quality Meter for Swimming Pool SPA PH/ORP/Salt/TDS/EC/Temp/Fertility Tester Pen $33.29
$3329
current price $33.29Osfvolr 7 in 1 Water Tester Digital Water Quality Meter for Swimming Pool SPA PH/ORP/Salt/TDS/EC/Temp/Fertility Tester Pen
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
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 $42.47
$4247
current price $42.47Riousery Digital 5-in-1 Water Quality Test Pen, EZ-9910 PH ORP EC TDS TEMP Meter Tester for Aquarium, Aquaculture, Hydroponics, Pool and Spa
Tuya WiFi 7 In1 Water Quality Tester Multi-Parameter Water Analyzer PH/ORP/EC/PPM//Humidity/TEMP Monitor Meter US Plug $80.89
$8089
current price $80.89Tuya WiFi 7 In1 Water Quality Tester Multi-Parameter Water Analyzer PH/ORP/EC/PPM//Humidity/TEMP Monitor Meter US Plug
ORP Meter 3 In 1 PH ORP TEMP Tester With Backlight Multi-parameter Digital Tri-Meter Water Quality Monitor 40% Off ,Accurate and Reliable $86.83
$8683
current price $86.83ORP Meter 3 In 1 PH ORP TEMP Tester With Backlight Multi-parameter Digital Tri-Meter Water Quality Monitor 40% Off ,Accurate and Reliable
ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester $23.19
$2319
current price $23.19ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester
ORP-169F 4 Digital LCD Mini ORP Meter Monitoring Testing Equipment for Aquarium Lab Water Treatment $47.54
$4754
current price $47.54ORP-169F 4 Digital LCD Mini ORP Meter Monitoring Testing Equipment for Aquarium Lab Water Treatment
7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp PH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium $61.35
$6135
current price $61.357 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp PH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium
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]
![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)
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]
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
Deal 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 $22.39 Was $24.99
Now$2239
current price Now $22.39, Was $24.99$24.99
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
34 out of 5 Stars. 3 reviews
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
Riousery Portable 6-in-1 Water Quality Detector Multiparameter Meter PH EC TDS ORP Temperature Chlorine Tester with Bluetooth APP LCD Backlight Waterproof IP67 [cite: 12] $65.37
![Riousery Portable 6-in-1 Water Quality Detector Multiparameter Meter PH EC TDS ORP Temperature Chlorine Tester with Bluetooth APP LCD Backlight Waterproof IP67 [cite: 12]](https://i5.walmartimages.com/seo/Riousery-Portable-6-in-1-Water-Quality-Detector-Multiparameter-Meter-PH-EC-TDS-ORP-Temperature-Chlorine-Tester-Bluetooth-APP-LCD-Backlight-Waterproof_48f5535b-e34e-4530-a153-34a96f4c88ef.5ab1d680ce363fa9d38bfc88fc9bbc3d.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$6537
current price $65.37Riousery Portable 6-in-1 Water Quality Detector Multiparameter Meter PH EC TDS ORP Temperature Chlorine Tester with Bluetooth APP LCD Backlight Waterproof IP67 [cite: 12]
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
5 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Pocket Size Sensor $49.63
$4963
current price $49.635 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,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 $20.97
$2097
current price $20.97Elowen 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
Suodoka ORP-169A Digital ORP Meter Handheld Portable Water Quality Tester for Agriculture and Lab Use $34.03
$3403
current price $34.03Suodoka ORP-169A Digital ORP Meter Handheld Portable Water Quality Tester for Agriculture and Lab Use
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
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