Orp Tester(347)
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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Reduced price 7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen $32.39 Was $35.99
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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
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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Wiher Pool Salt Tester, 8 in 1 Pool Salt Tester for Water PH / TDS / EC / SALT / TEMP/CL/S.G/ ORP Meter with ATC, for Household Drinking Water Pool Spas Fish Tank $39.99
Sponsored
$3999
current price $39.99Wiher Pool Salt Tester, 8 in 1 Pool Salt Tester for Water PH / TDS / EC / SALT / TEMP/CL/S.G/ ORP Meter with ATC, for Household Drinking Water Pool Spas Fish Tank
M Buder ORP2069 Portable Water Quality Monitor Digital ORP Tester Pen Water ORP Meter (6.30 inches / 16.0 cm) $31.25
$3125
current price $31.25M Buder ORP2069 Portable Water Quality Monitor Digital ORP Tester Pen Water ORP Meter (6.30 inches / 16.0 cm)
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
453.4 out of 5 Stars. 45 reviews
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
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
52.4 out of 5 Stars. 5 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 $28.61
$2861
current price $28.61M 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
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
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
52.4 out of 5 Stars. 5 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
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
453.4 out of 5 Stars. 45 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
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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 $26.22
$2622
current price $26.22M Buder 3-in-1 Digital PH ORP Temp Meter Portable Water Quality Tester Pen for Swimming Pools Aquariums Hydroponics LCD Display Professional Testing Kit
ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester $26.03
$2603
current price $26.03ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP 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
194.8 out of 5 Stars. 19 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
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] $44.67
![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)
$4467
current price $44.67YAHHU 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]
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
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
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
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Clearance High Precision Digital Total Residual Chlorine Tester Pen, Backlit LCD Pool Water Quality Detector with ATC, White, 1-Pack $26.99 Was $29.99
Sponsored
Now$2699
current price Now $26.99, Was $29.99$29.99
High Precision Digital Total Residual Chlorine Tester Pen, Backlit LCD Pool Water Quality Detector with ATC, White, 1-Pack
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
304.1 out of 5 Stars. 30 reviews
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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]
6 In 1 Smart Floating Swimming Pool Water Analyzer PH CL TDS EC ORP TEMP Tester APP Online Monitor Water Quality Tester ,Multifunctional $126.97
$12697
current price $126.976 In 1 Smart Floating Swimming Pool Water Analyzer PH CL TDS EC ORP TEMP Tester APP Online Monitor Water Quality Tester ,Multifunctional
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
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
M Buder Water Quality Monitor Test Pen Portable 4 In 1 PH ORP H2 Temperature Tester[cite: 1]
![M Buder Water Quality Monitor Test Pen Portable 4 In 1 PH ORP H2 Temperature Tester[cite: 1]](https://i5.walmartimages.com/seo/M-Buder-Water-Quality-Monitor-Test-Pen-Portable-4-In-1-PH-ORP-H2-Temperature-Tester-cite-1_62df139c-6820-4994-bbab-2d89361ea004.3609d3251a2fbd0e46bad2e68c217b61.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
M Buder Water Quality Monitor Test Pen Portable 4 In 1 PH ORP H2 Temperature Tester[cite: 1]
Tuya WiFi 7 In1 Water Quality Tester Multi-Parameter Water Analyzer PH/ORP/EC/PPM//Humidity/TEMP Monitor Meter US Plug $75.58
$7558
current price $75.58Tuya WiFi 7 In1 Water Quality Tester Multi-Parameter Water Analyzer PH/ORP/EC/PPM//Humidity/TEMP Monitor Meter US Plug
21.5 out of 5 Stars. 2 reviews
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
All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc $11.99 Was $21.98
Sponsored
Now$1199
current price Now $11.99, Was $21.98$21.98
All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
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VEVOR TDS Meter, 0-9990 ppm Measuring Range, EC (Conductivity) /TDS (ppm) Multi-Parameter Measurement, Digital Water Tester with ATC, Clear VA Display Screen, for Drinking Water Quality Testing $42.99
Sponsored
$4299
current price $42.99VEVOR TDS Meter, 0-9990 ppm Measuring Range, EC (Conductivity) /TDS (ppm) Multi-Parameter Measurement, Digital Water Tester with ATC, Clear VA Display Screen, for Drinking Water Quality Testing
BOKYAN 7-in-1 Water Quality Meter Digital PH Tester Pen ORP TDS EC Salinity SG Temp Meter for Drinking Water Pools and Aquariums (9.45 x 3.15 x 1.97 inches / 24 x 8 x 5 cm) $35.47
$3547
current price $35.47BOKYAN 7-in-1 Water Quality Meter Digital PH Tester Pen ORP TDS EC Salinity SG Temp Meter for Drinking Water Pools and Aquariums (9.45 x 3.15 x 1.97 inches / 24 x 8 x 5 cm)
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
6 In 1 Bluetooth-compatible Water Quality Detector PH EC TDS ORP Temp Chlorine CL APP Display Swimming Pool Water Quality Tester $87.18
$8718
current price $87.186 In 1 Bluetooth-compatible Water Quality Detector PH EC TDS ORP Temp Chlorine CL APP Display Swimming Pool Water Quality 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
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
Smart WiFi Solar Water Quality Tester pH &ORP Pool Salinity Tester + for Gateway $180.36
$18036
current price $180.36Smart WiFi Solar Water Quality Tester pH &ORP Pool Salinity Tester + for Gateway
6 In 1 Smart Floating Swimming Pool Water Analyzer APP Online Monitor Water Quality Tester BT PH CL TDS EC ORP TEMP Tester ,Multifunctional $123.99
$12399
current price $123.996 In 1 Smart Floating Swimming Pool Water Analyzer APP Online Monitor Water Quality Tester BT PH CL TDS EC ORP TEMP Tester ,Multifunctional
7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp PH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium
7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp PH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium
13 out of 5 Stars. 1 reviews
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
10-in-1 P-H Meter Tester Digital Water Quality Test Meter With/non Backlight TDS/EC/SALT/TEMP/S.G/ORP/H2/Fertile Test ,Accurate - WHITE_THE $73.96
$7396
current price $73.9610-in-1 P-H Meter Tester Digital Water Quality Test Meter With/non Backlight TDS/EC/SALT/TEMP/S.G/ORP/H2/Fertile Test ,Accurate - WHITE_THE
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
ORP Tester, -1200~1200mV Measurement Range, Waterproof Design For Durability, Automatic Temperature Compensation Ensures Accurate Readings Regardless Of Water Temperature, Instant $30.99
$3099
current price $30.99ORP Tester, -1200~1200mV Measurement Range, Waterproof Design For Durability, Automatic Temperature Compensation Ensures Accurate Readings Regardless Of Water Temperature, Instant
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
7 in 1 Digital pH Meter for ORP pH EC TDS TEMP S.G Salinity Water Tester, Pool Salt Tester for Hydroponics, Saltwater Pool, Hot Tubs, Aquarium, Gardening $33.99
$3399
current price $33.997 in 1 Digital pH Meter for ORP pH EC TDS TEMP S.G Salinity Water Tester, Pool Salt Tester for Hydroponics, Saltwater Pool, Hot Tubs, Aquarium, Gardening
Homena 33*55mm ORP Tester Two-point Calibration PH 7 Buffer Included Reliable PH Level Solution User-friendly Calibration For PH Meters From $7.80
3 options
Available in additional 3 optionsFrom$780
Homena 33*55mm ORP Tester Two-point Calibration PH 7 Buffer Included Reliable PH Level Solution User-friendly Calibration For PH Meters
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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10-in-1 P-H Meter Tester Digital Water Quality Test Meter With/non Backlight TDS/EC/SALT/TEMP/S.G/ORP/H2/Fertile Test ,Multifunctional
10-in-1 P-H Meter Tester Digital Water Quality Test Meter With/non Backlight TDS/EC/SALT/TEMP/S.G/ORP/H2/Fertile Test ,Multifunctional
169E ORP/Redox Tester Waterproof ORP Meter ORP Tester Potential Positive And Negative ORP Meter $70.22
$7022
current price $70.22169E ORP/Redox Tester Waterproof ORP Meter ORP Tester Potential Positive And Negative ORP Meter
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