Orp Meter(357)
Uses item details. Price when purchased online
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
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
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
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 $32.99
Sponsored
$3299
current price $32.99Wiher 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
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
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 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
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
594.7 out of 5 Stars. 59 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
Rupoun Digital Pen ORP Meter with Backlit LCD Portable Oxidation Reduction Potential Water Quality Tester (5.9 inches / 15 cm) $24.96
$2496
current price $24.96Rupoun Digital Pen ORP Meter with Backlit LCD Portable Oxidation Reduction Potential Water Quality Tester (5.9 inches / 15 cm)
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
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
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]
YAHHU 7 in 1 Water Quality Tester without Backlight, Digital PH/TDS/EC/Salinity/ORP/S.G/Temp Meter, White and Blue
2 options
Available in additional 2 optionsYAHHU 7 in 1 Water Quality Tester without Backlight, Digital PH/TDS/EC/Salinity/ORP/S.G/Temp Meter, White and Blue
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 $26.32
$2632
current price $26.32M Buder 3-in-1 Digital PH ORP Temp Meter Portable Water Quality Tester Pen for Swimming Pools Aquariums Hydroponics LCD Display Professional Testing Kit
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
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
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
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 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
Sponsored
$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
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
363.5 out of 5 Stars. 36 reviews
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
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
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
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
Tuy/a ZigBe/e Intelligent Chlorin Meter 7in1 PH ORP Total Dissolved Solids Salinity Temp CL Test Meter Swimming Pool Water Tester $191.53
$19153
current price $191.53Tuy/a ZigBe/e Intelligent Chlorin Meter 7in1 PH ORP Total Dissolved Solids Salinity Temp CL Test Meter Swimming Pool Water 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 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
10 in 1 PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G./Resistivity/Temp Water Quality Meter Digital Multifunction Tester For Aquariums ,Multifunctional From $57.32
2 options
Available in additional 2 optionsFrom$5732
10 in 1 PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G./Resistivity/Temp Water Quality Meter Digital Multifunction Tester For Aquariums ,Multifunctional
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
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 $17.99 Was $19.99
Sponsored
Now$1799
current price Now $17.99, Was $19.99$19.99
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
24.5 out of 5 Stars. 2 reviews
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]
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
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
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 $20.71
From$2071
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
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
Solar Powered 7 IN 1 Smart Chlorine Meter Chlorine/pH/TDS/EC/ORP/Salinity/TEMP Meter Swimming Pool Water Tester ,Accurate and Reliable $237.21
$23721
current price $237.21Solar Powered 7 IN 1 Smart Chlorine Meter Chlorine/pH/TDS/EC/ORP/Salinity/TEMP Meter Swimming Pool Water Tester ,Accurate and Reliable
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
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
ORP Meter,Single Line LCD ST10R $176.47
$17647
current price $176.47ORP Meter,Single Line LCD ST10R
ORP-169F 4 Digital LCD Mini ORP Meter Monitoring Testing Equipment for Aquarium Lab Water Treatment $47.35
$4735
current price $47.35ORP-169F 4 Digital LCD Mini ORP Meter Monitoring Testing Equipment for Aquarium Lab Water Treatment
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
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
7 In 1 Multifunctional PH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC For Hydroponics, Aquarium ,Multifunctional $44.94
$4494
current price $44.947 In 1 Multifunctional PH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC For Hydroponics, Aquarium ,Multifunctional
11 out of 5 Stars. 1 reviews
7 IN 1 Digital Water Tester 0-9990ppm PH TDS EC ORP Quality Analyzer Monitor Filter Rapid Test Aquarium Hydroponics Pools ,Multifunctional $50.20
$5020
current price $50.207 IN 1 Digital Water Tester 0-9990ppm PH TDS EC ORP Quality Analyzer Monitor Filter Rapid Test Aquarium Hydroponics Pools ,Multifunctional
7 In 1 Ph/free Chlorine/orp/ec/tds/salt/temp Ph Meter Swimming Pool Salinity Tester Ip67 Waterproof f26
7 In 1 Ph/free Chlorine/orp/ec/tds/salt/temp Ph Meter Swimming Pool Salinity Tester Ip67 Waterproof f26
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
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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