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Orp Meter

Uses item details. Price when purchased online

Digital Water Tester, 7-in-1 FAC/TDS/Salt/EC/ORP/Temp/PH Meter for Saltwater Aquarium Sodium Swimming Pools Hot Tubs Spas, Rechargeable pH Meter with LCD Backlit & ATC $59.99

Digital Water Tester, 7-in-1 FAC/TDS/Salt/EC/ORP/Temp/PH Meter for Saltwater Aquarium Sodium Swimming Pools Hot Tubs Spas, Rechargeable pH Meter with LCD Backlit & ATC
Sponsored
current price $59.99

Digital Water Tester, 7-in-1 FAC/TDS/Salt/EC/ORP/Temp/PH Meter for Saltwater Aquarium Sodium Swimming Pools Hot Tubs Spas, Rechargeable pH Meter with LCD Backlit & ATC

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 $19.99 Was $36.99

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
Sponsored
current price Now $19.99, Was $36.99

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

3.7 out of 5 stars
3.7 out of 5 Stars. 3 reviews

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 Was $69.99

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
Sponsored
current price Now $39.99, Was $69.99

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

3.8 out of 5 stars
3.8 out of 5 Stars. 6 reviews

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 $45.99

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
Sponsored
current price Now $29.99, Was $45.99

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

3.4 out of 5 stars
3.4 out of 5 Stars. 57 reviews

Black Friday Deal, 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 $24.59 Was $39.99

Black Friday Deal
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
current price Now $24.59, Was $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

4.2 out of 5 stars
4.2 out of 5 Stars. 42 reviews

Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS $231.00 Was $297.00

Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS
current price Now $231.00, Was $297.00

Aiper HydroComm Smart Water Quality Meter for 24/7 Monitoring of Pool Temperature, pH, ORP, EC, TDS

4.3 out of 5 stars
4.3 out of 5 Stars. 81 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 $19.99 Was $36.99

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
current price Now $19.99, Was $36.99

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

3.7 out of 5 stars
3.7 out of 5 Stars. 3 reviews

Professional Digital ORP Tester Pen Model ORP-969 High Stability Water Quality Meter Backlight Design with Plastic Storage Box and Calibration Screwdriver for Aquariums Pools Hydroponics 7.4x2.7 in $29.89 Was $33.84

Professional Digital ORP Tester Pen Model ORP-969 High Stability Water Quality Meter Backlight Design with Plastic Storage Box and Calibration Screwdriver for Aquariums Pools Hydroponics 7.4x2.7 in
current price Now $29.89, Was $33.84

Professional Digital ORP Tester Pen Model ORP-969 High Stability Water Quality Meter Backlight Design with Plastic Storage Box and Calibration Screwdriver for Aquariums Pools Hydroponics 7.4x2.7 in

OAZOUF 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 $28.35

OAZOUF 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
current price $28.35

OAZOUF 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

4.4 out of 5 stars
4.4 out of 5 Stars. 5 reviews

7 In 1 Digital Water Quality Tester pH TDS EC Salinity ORP Temperature Specific Gravity Meter IP67 Waterproof LCD Test Pen For Drinking Water Pool Aquarium Hydroponics $25.88

7 In 1 Digital Water Quality Tester pH TDS EC Salinity ORP Temperature Specific Gravity Meter IP67 Waterproof LCD Test Pen For Drinking Water Pool Aquarium Hydroponics
current price $25.88

7 In 1 Digital Water Quality Tester pH TDS EC Salinity ORP Temperature Specific Gravity Meter IP67 Waterproof LCD Test Pen For Drinking Water Pool Aquarium Hydroponics

Reduced price, 7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen $30.23 Was $35.99

Reduced price
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
Sponsored
current price Now $30.23, Was $35.99

7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen

1 out of 5 stars
1 out of 5 Stars. 1 reviews

10-in-1 Water Quality Tester, Digital Water Quality Meter with LCD, pH TDS EC SALT S.G. ORP H2 Fertility and Temperature Tester, 3-Point pH Calibration, Automatic Temperature Compensation $36.99 Was $41.99

10-in-1 Water Quality Tester, Digital Water Quality Meter with LCD, pH TDS EC SALT S.G. ORP H2 Fertility and Temperature Tester, 3-Point pH Calibration, Automatic Temperature Compensation
Sponsored
current price Now $36.99, Was $41.99

10-in-1 Water Quality Tester, Digital Water Quality Meter with LCD, pH TDS EC SALT S.G. ORP H2 Fertility and Temperature Tester, 3-Point pH Calibration, Automatic Temperature Compensation

3 out of 5 stars
3 out of 5 Stars. 1 reviews

Yeswillos Professional ORP Meter Tester Redox 1999mV Range BNC Type Connector 1.2cm Dia $44.07

Yeswillos Professional ORP Meter Tester Redox 1999mV Range BNC Type Connector 1.2cm Dia
current price $44.07

Yeswillos Professional ORP Meter Tester Redox 1999mV Range BNC Type Connector 1.2cm Dia

Fule pH Meter Calibration Solution ORP tester Accurate Reading for Plant Growth Test

Fule pH Meter Calibration Solution ORP tester Accurate Reading for Plant Growth Test

Fule pH Meter Calibration Solution ORP tester Accurate Reading for Plant Growth Test

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 $45.99

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
current price Now $29.99, Was $45.99

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

3.4 out of 5 stars
3.4 out of 5 Stars. 57 reviews

Digital Chlorine ORP EC Temp PH Meter Bluetooth 6 in 1 Water Quality Tester $14.54

Digital Chlorine ORP EC Temp PH Meter Bluetooth 6 in 1 Water Quality Tester
current price $14.54

Digital Chlorine ORP EC Temp PH Meter Bluetooth 6 in 1 Water Quality Tester

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 Was $69.99

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
current price Now $39.99, Was $69.99

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

3.8 out of 5 stars
3.8 out of 5 Stars. 6 reviews

BIMZUC ORP H2 PH Temp Meter High Sensitivity Backlit LCD Display Hydrogen Water Tester for Pool Fish Tank Drinking Water $27.77

BIMZUC ORP H2 PH Temp Meter High Sensitivity Backlit LCD Display Hydrogen Water Tester for Pool Fish Tank Drinking Water
current price $27.77

BIMZUC ORP H2 PH Temp Meter High Sensitivity Backlit LCD Display Hydrogen Water Tester for Pool Fish Tank Drinking Water

HM Digital Orp-200 Hm Digital Water Test Meter $129.99

HM Digital Orp-200 Hm Digital Water Test Meter
current price $129.99

HM Digital Orp-200 Hm Digital Water Test Meter

Hydrogen Water Tester 10 in 1 Resistivity/Fertility/H2/pH/TDS/EC/ORP/S.G/Salt/Temp Meter with ATC pH Meter,0.01 High Accuracy pH Tester Digital,TDS Meter PPM Meter for Drinking,Hydroponics,Pool. $44.99

Hydrogen Water Tester 10 in 1 Resistivity/Fertility/H2/pH/TDS/EC/ORP/S.G/Salt/Temp Meter with ATC pH Meter,0.01 High Accuracy pH Tester Digital,TDS Meter PPM Meter for Drinking,Hydroponics,Pool.
current price $44.99

Hydrogen Water Tester 10 in 1 Resistivity/Fertility/H2/pH/TDS/EC/ORP/S.G/Salt/Temp Meter with ATC pH Meter,0.01 High Accuracy pH Tester Digital,TDS Meter PPM Meter for Drinking,Hydroponics,Pool.

5 out of 5 stars
5 out of 5 Stars. 1 reviews

7 In 1 Digital Water Quality Tester pH TDS EC Salinity ORP Temperature Specific Gravity Meter IP67 Waterproof LCD Test Pen For Drinking Water Pool Aquarium Hydroponics $25.88

7 In 1 Digital Water Quality Tester pH TDS EC Salinity ORP Temperature Specific Gravity Meter IP67 Waterproof LCD Test Pen For Drinking Water Pool Aquarium Hydroponics
Sponsored
current price $25.88

7 In 1 Digital Water Quality Tester pH TDS EC Salinity ORP Temperature Specific Gravity Meter IP67 Waterproof LCD Test Pen For Drinking Water Pool Aquarium Hydroponics

Black Friday Deal, 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 $24.59 Was $39.99

Black Friday Deal
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
Sponsored
current price Now $24.59, Was $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

4.2 out of 5 stars
4.2 out of 5 Stars. 42 reviews

Portable Hydrogen Water Tester with Multi-function ORP Redox Meter - Ensures $28.58

Portable Hydrogen Water Tester with Multi-function ORP Redox Meter - Ensures
current price $28.58

Portable Hydrogen Water Tester with Multi-function ORP Redox Meter - Ensures

7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp PH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium $53.96

7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp PH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium
current price $53.96

7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp PH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium

Digital ORP Meter Water Quality Tester Pen 0 to 1999mV High Accuracy Redox Potential Monitor with Backlit LCD Screen for Aquarium Hydroponics Swimming Pool and Spa Drinking Water Testing $33.66

Digital ORP Meter Water Quality Tester Pen 0 to 1999mV High Accuracy Redox Potential Monitor with Backlit LCD Screen for Aquarium Hydroponics Swimming Pool and Spa Drinking Water Testing
current price $33.66

Digital ORP Meter Water Quality Tester Pen 0 to 1999mV High Accuracy Redox Potential Monitor with Backlit LCD Screen for Aquarium Hydroponics Swimming Pool and Spa Drinking Water Testing

ORP/Redox Tester Waterproof ORP Meter Monitor Pen Water Quality Analyzer For Drinking Aquarium Swimming Pool $87.36

ORP/Redox Tester Waterproof ORP Meter Monitor Pen Water Quality Analyzer For Drinking Aquarium Swimming Pool
current price $87.36

ORP/Redox Tester Waterproof ORP Meter Monitor Pen Water Quality Analyzer For Drinking Aquarium Swimming Pool

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 ,Pocket Size Sensor $46.50

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 ,Pocket Size Sensor
current price $46.50

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 ,Pocket Size Sensor

Suodoka 4-in-1 ORP H2 pH Temp Meter, High Sensitivity Backlit LCD Digital Water Quality Tester Pen for Swimming Pool, Fish Tank, Drinking Water (7.09 inches / 180 mm) $26.77

Suodoka 4-in-1 ORP H2 pH Temp Meter, High Sensitivity Backlit LCD Digital Water Quality Tester Pen for Swimming Pool, Fish Tank, Drinking Water (7.09 inches / 180 mm)
current price $26.77

Suodoka 4-in-1 ORP H2 pH Temp Meter, High Sensitivity Backlit LCD Digital Water Quality Tester Pen for Swimming Pool, Fish Tank, Drinking Water (7.09 inches / 180 mm)

7 In 1 Temp ORP EC TDS Salinity S.G PH Meter Online Blue Tooth Water Quality Tester APP Control For Drinking Laboratory Aquarium ,Pocket Size Sensor $59.36

7 In 1 Temp ORP EC TDS Salinity S.G PH Meter Online Blue Tooth Water Quality Tester APP Control For Drinking Laboratory Aquarium ,Pocket Size Sensor
current price $59.36

7 In 1 Temp ORP EC TDS Salinity S.G PH Meter Online Blue Tooth Water Quality Tester APP Control For Drinking Laboratory Aquarium ,Pocket Size Sensor

Tcwhniev Digital PH Meter 7 In 1 PH/ORP/EC/TEMP/SALT/S/G/TDS/Water Quality Tester High Precision Water Tester Pen for Household Drinking Water Swimming Pool Aquarium Hydroponics Plants $19.89

Tcwhniev Digital PH Meter 7 In 1 PH/ORP/EC/TEMP/SALT/S/G/TDS/Water Quality Tester High Precision Water Tester Pen for Household Drinking Water Swimming Pool Aquarium Hydroponics Plants
current price $19.89

Tcwhniev Digital PH Meter 7 In 1 PH/ORP/EC/TEMP/SALT/S/G/TDS/Water Quality Tester High Precision Water Tester Pen for Household Drinking Water Swimming Pool Aquarium Hydroponics Plants

5 out of 5 stars
5 out of 5 Stars. 1 reviews

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

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
Sponsored
current price Now $23.99, Was $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

3.5 out of 5 stars
3.5 out of 5 Stars. 40 reviews

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

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
Sponsored
current price $21.99

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

4.3 out of 5 stars
4.3 out of 5 Stars. 7 reviews

ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester $23.69

ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester
current price $23.69

ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test Tool ORP Tester

Clearance, 5 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Pocket Size Sensor $44.21 Was $49.21

Clearance
5 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Pocket Size Sensor
current price Now $44.21, Was $49.21

5 In 1 Water Quality Tester Monitor PH EC TDS Temperature ORP Meter For Pools Drinking Water Aquariums Digital Quality Detector ,Pocket Size Sensor

Reduced price, 7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen $30.23 Was $35.99

Reduced price
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
current price Now $30.23, Was $35.99

7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen

1 out of 5 stars
1 out of 5 Stars. 1 reviews

1 Pack 8 in 1 Water Quality Tester, WiFi Water Quality Meter with App Connection, Mount Monitor for Fish , Aquarium, Hydroponics, Measures PH/S.G/EC/Salt/ORP/TDS/CF/Temp $205.10

1 Pack 8 in 1 Water Quality Tester, WiFi Water Quality Meter with App Connection, Mount Monitor for Fish , Aquarium, Hydroponics, Measures PH/S.G/EC/Salt/ORP/TDS/CF/Temp
current price $205.10

1 Pack 8 in 1 Water Quality Tester, WiFi Water Quality Meter with App Connection, Mount Monitor for Fish , Aquarium, Hydroponics, Measures PH/S.G/EC/Salt/ORP/TDS/CF/Temp

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

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
current price $26.99

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

2.4 out of 5 stars
2.4 out of 5 Stars. 9 reviews

ORP Meter,Single Line ST10R $178.58

ORP Meter,Single Line ST10R
current price $178.58

ORP Meter,Single Line ST10R

ORP-3569 Water Quality Tester pH ORP Temp Meter with Backlit Display $47.35

ORP-3569 Water Quality Tester  pH ORP Temp Meter with Backlit Display
current price $47.35

ORP-3569 Water Quality Tester pH ORP Temp Meter with Backlit Display

8-In-1 Water Quality Testing Pen Digital TDS EC ORP Salinity S.G H2 Meter Portable Waterproof Analyzer for Drinking Water Aquarium Pool Hydroponics

8-In-1 Water Quality Testing Pen Digital TDS EC ORP Salinity S.G H2 Meter Portable Waterproof Analyzer for Drinking Water Aquarium Pool Hydroponics

8-In-1 Water Quality Testing Pen Digital TDS EC ORP Salinity S.G H2 Meter Portable Waterproof Analyzer for Drinking Water Aquarium Pool Hydroponics

Milwaukee Instruments pH/ORP/Temp Meter, Dual Level Tester Electrode PH58, 0.1 pH, 250 Hrs Battery $219.65

Milwaukee Instruments pH/ORP/Temp Meter, Dual Level Tester Electrode PH58, 0.1 pH, 250 Hrs Battery
current price $219.65

Milwaukee Instruments pH/ORP/Temp Meter, Dual Level Tester Electrode PH58, 0.1 pH, 250 Hrs Battery

Tuya Smart PH Meter Data Logger Temp TDS Salinity ORP Water Tester Monitor Analyzer For Aquariums Pool Hydroponics ,Accurate - BLACK_PLUG $138.23

Tuya Smart PH Meter Data Logger Temp TDS Salinity ORP Water Tester Monitor Analyzer For Aquariums Pool Hydroponics ,Accurate - BLACK_PLUG
current price $138.23

Tuya Smart PH Meter Data Logger Temp TDS Salinity ORP Water Tester Monitor Analyzer For Aquariums Pool Hydroponics ,Accurate - BLACK_PLUG

Large Display ORP Pen $114.50

Large Display ORP Pen
current price $114.50

Large Display ORP Pen

Milwaukee MW105 MAX Waterproof pH/ORP/Temp Logging Portable Meter for Brewers $448.50

Milwaukee MW105 MAX Waterproof pH/ORP/Temp Logging Portable Meter for Brewers
current price $448.50

Milwaukee MW105 MAX Waterproof pH/ORP/Temp Logging Portable Meter for Brewers

Multi-Parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen $76.21

Multi-Parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen
current price $76.21

Multi-Parameter PH Meter Water Quality Acidity TEMP ORP Tester Redox Analyzer Monitor Big Screen

Digital ORP PH TDS Meter Temperature Tester Waterproof With Automatic Calibration Portable Tester COM-80/100/200/300/360 ,Multifunctional $96.15

Digital ORP PH TDS Meter Temperature Tester Waterproof With Automatic Calibration Portable Tester COM-80/100/200/300/360 ,Multifunctional
current price $96.15

Digital ORP PH TDS Meter Temperature Tester Waterproof With Automatic Calibration Portable Tester COM-80/100/200/300/360 ,Multifunctional

3 In 1 Digital Tester Reads ORP Chlorine and Temp for Swimming Pool Water ,Liquid Test $46.74

3 In 1 Digital Tester Reads ORP Chlorine and Temp for Swimming Pool Water ,Liquid Test
current price $46.74

3 In 1 Digital Tester Reads ORP Chlorine and Temp for Swimming Pool Water ,Liquid Test

Hydrogen Water Quality Tester H2 Monitor, TEMP & ORP Meter 0-2400PPb for Drinking Water, Aquariums, Spa $22.49

Hydrogen Water Quality Tester H2 Monitor, TEMP & ORP Meter 0-2400PPb for Drinking Water, Aquariums, Spa
current price $22.49

Hydrogen Water Quality Tester H2 Monitor, TEMP & ORP Meter 0-2400PPb for Drinking Water, Aquariums, Spa

3 out of 5 stars
3 out of 5 Stars. 2 reviews

7 In 1 Multifunctional PH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC For Hydroponics, Aquarium $21.58

7 In 1 Multifunctional PH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC For Hydroponics, Aquarium
current price $21.58

7 In 1 Multifunctional PH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC For Hydroponics, Aquarium

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 $39.59 Was $43.99

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
current price Now $39.59, Was $43.99

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

Top deals

FAQ

How does an ORP meter help with pool care?

An ORP meter, or Oxidation Reduction Potential meter, helps you monitor water quality by measuring how well your pool is disinfected. It gives a quick reading on the effectiveness of sanitizers like chlorine. Keeping an eye on ORP levels means you can adjust chemicals sooner for safer, cleaner water.

  • ORP readings make maintenance easier.
  • Helps reduce guesswork when adding pool chemicals.
  • Works alongside other testers for a complete water check.
Having an ORP meter is a handy tool to help create a healthier swimming environment for your family.

Can I use a water tester for aquariums?

Many digital water testers, including ORP meters, are suitable for aquarium use. They check key parameters like pH, TDS, EC, and ORP so you can track water quality and support aquatic life.

  • Helps maintain balanced water for fish and plants.
  • Easy to use in tanks of all sizes.
  • Multi-function testers can be used for pools, spas, and home water, too.
Always make sure each tester is compatible with the size and type of your aquarium for the best results.

What should I look for in a digital water tester?

Choosing a digital water tester is about matching features to your needs. Look for meters that measure several parameters like pH, TDS, EC, and ORP. Multi-function testers are efficient if you handle pools, aquariums, and drinking water.

  • Consider models with automatic temperature compensation for accurate readings.
  • Waterproof designs add durability.
  • LCD screens make results easy to read.
Reviewing what you need to test helps you pick a device that's right for your home or hobby.

How do I calibrate my ORP meter?

Calibrating your ORP meter can improve its performance and reading accuracy.

  • Follow the manufacturer's instructions for the specific calibration steps.
  • Use the recommended calibration solution.
  • Rinse the probe with distilled water after use.
Regular calibration keeps your meter ready for reliable tests. If you're unsure, check the product manual or reach out to customer support for guidance. Calibration frequency may vary based on how often you use the meter.

Is it easy to care for a water quality tester?

Caring for your water quality tester is pretty straightforward.

  • Always rinse the probe gently with distilled water after each test.
  • Store it in a dry, protective case when not in use.
  • Keep batteries fresh to prevent interruptions during use.
Routine cleaning and proper storage can help extend the life of your tester. Following simple maintenance steps means you're more likely to get accurate readings whenever you need them.

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