Tds Sensor(230)
Uses item details. Price when purchased online
Pool Salt Tester, PH Tester Digital, Water Testing Kit, 5 in 1 PH Meter for Water/Salinity Meter/TDS/EC/Thermometer, Suitable for Drinking Water Swimming Pools Hydroponic Plants Aquariums $29.99

Sponsored
$2999
current price $29.99Pool Salt Tester, PH Tester Digital, Water Testing Kit, 5 in 1 PH Meter for Water/Salinity Meter/TDS/EC/Thermometer, Suitable for Drinking Water Swimming Pools Hydroponic Plants Aquariums
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
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NefLaca Intelligent Upgrade 5-in-1 Digital PH/TDS/EC/Salinity/Temperature Pool Water Meter Test Kit,Suitable for Drinking Water Swimming Pools Aquariums ,Sea Saltwater $19.99

Sponsored
$1999
current price $19.99NefLaca Intelligent Upgrade 5-in-1 Digital PH/TDS/EC/Salinity/Temperature Pool Water Meter Test Kit,Suitable for Drinking Water Swimming Pools Aquariums ,Sea Saltwater
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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BIMZUC SMART SENSOR Digital Water Quality Meter 3 in 1 COND TDS Temp Meter Pen Type Waterproof Conductivity Meter for Home Spa Aquarium (7.08 in / 180 mm)[cite: 1]
![BIMZUC SMART SENSOR Digital Water Quality Meter 3 in 1 COND TDS Temp Meter Pen Type Waterproof Conductivity Meter for Home Spa Aquarium (7.08 in / 180 mm)[cite: 1]](https://i5.walmartimages.com/seo/BIMZUC-SMART-SENSOR-Digital-Water-Quality-Meter-3-1-COND-TDS-Temp-Meter-Pen-Type-Waterproof-Conductivity-Meter-Home-Spa-Aquarium-7-08-180-mm-cite-1_b9c17798-074e-41ec-b3be-19834fa6fa64.652daa503bf53dec3cf00fa0c2d76504.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
BIMZUC SMART SENSOR Digital Water Quality Meter 3 in 1 COND TDS Temp Meter Pen Type Waterproof Conductivity Meter for Home Spa Aquarium (7.08 in / 180 mm)[cite: 1]
2X Analog TDS Sensor TDS Meter Water Conductivity Sensor Tester Liquid Detection Water Quality Monitoring with 4 Cables $12.32

$1232
current price $12.322X Analog TDS Sensor TDS Meter Water Conductivity Sensor Tester Liquid Detection Water Quality Monitoring with 4 Cables
Clearance 4 In 1 TDS Meter Digital Water Tester, Digital PH and TDS Meter Kits, Portable Pocket-Size Monitor, Multifunctional Water Purity Temperature Meter Temp PPM Tester for Pool and Aquarium (Blue) From $5.14
From$514
4 In 1 TDS Meter Digital Water Tester, Digital PH and TDS Meter Kits, Portable Pocket-Size Monitor, Multifunctional Water Purity Temperature Meter Temp PPM Tester for Pool and Aquarium (Blue)
Solivara 4 In 1 Water Testing Tds Meter For Drinking Water With Temperature For Tap Well Swimming Pool Hydroponics Aquarium Plastic(White,6.30in)

Solivara 4 In 1 Water Testing Tds Meter For Drinking Water With Temperature For Tap Well Swimming Pool Hydroponics Aquarium Plastic(White,6.30in)
4 In 1 TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools, Drinking Water, Aquariums ,Pocket Size Sensor $54.77

$5477
current price $54.774 In 1 TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools, Drinking Water, Aquariums ,Pocket Size Sensor
1pcs Analog TDS Sensor Water Conductivity Sensor Tester Liquid Detection Water Quality DC3.3-5.5V $12.00

$1200
current price $12.001pcs Analog TDS Sensor Water Conductivity Sensor Tester Liquid Detection Water Quality DC3.3-5.5V
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
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2025 Newest TDS Meter Digital Water Tester, Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More $12.99

Sponsored
$1299
current price $12.992025 Newest TDS Meter Digital Water Tester, Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
84.3 out of 5 Stars. 8 reviews
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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
3 IN 1 PH Meter Water Quality Tester PH/TDS/TEMP Digital LCD EZ 9901 Monitor Tester For Pools , Drinking Water ,Aquariums ,Pocket Size Sensor $35.36

$3536
current price $35.363 IN 1 PH Meter Water Quality Tester PH/TDS/TEMP Digital LCD EZ 9901 Monitor Tester For Pools , Drinking Water ,Aquariums ,Pocket Size Sensor
6 In 1 Water Quality Tester Digital PH ORP TDS EC CF Temp Benchtop Monitor for Swimming Pool Aquarium Laboratory ,Pocket Size Sensor $171.76

$17176
current price $171.766 In 1 Water Quality Tester Digital PH ORP TDS EC CF Temp Benchtop Monitor for Swimming Pool Aquarium Laboratory ,Pocket Size Sensor
Clearance CoreLiving Digital TDS Meter Water Tester, High Precision PPM Water Quality Tester for Drinking Water, Aquariums, Hydroponics, and Swimming Pools, 0-9999 ppm Measurement Range, Grey Was $3.54

CoreLiving Digital TDS Meter Water Tester, High Precision PPM Water Quality Tester for Drinking Water, Aquariums, Hydroponics, and Swimming Pools, 0-9999 ppm Measurement Range, Grey
Clearance 4 In 1 TDS Meter Digital Water Tester Multi Function Digital Water Tester With Temp Color DisplayforDrinking Water Pool Hydroponics Aquarium Portable WaterforTravel, 4-in-1 TDS Meter From $2.39
From$239
4 In 1 TDS Meter Digital Water Tester Multi Function Digital Water Tester With Temp Color DisplayforDrinking Water Pool Hydroponics Aquarium Portable WaterforTravel, 4-in-1 TDS Meter
Digital Water Quality Tester Dual Probe Online TDS Detector Input/Output Water Quality Monitor for Tap Water Fish Tank $27.21

$2721
current price $27.21Digital Water Quality Tester Dual Probe Online TDS Detector Input/Output Water Quality Monitor for Tap Water Fish Tank
Solivara 4 In 1 Tds Meter For Drinking Water Testing Digital Temperature Meter For Tap Well Pool Aquarium (White,5.63in)

Solivara 4 In 1 Tds Meter For Drinking Water Testing Digital Temperature Meter For Tap Well Pool Aquarium (White,5.63in)
TDS Digital Salinity Tester/Meter For Salt Water Pool & Fish/Koi Pond Testing Household Drinking Water Quality Test ,Pocket Size Sensor $28.58

$2858
current price $28.58TDS Digital Salinity Tester/Meter For Salt Water Pool & Fish/Koi Pond Testing Household Drinking Water Quality Test ,Pocket Size Sensor
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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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
Digital Water Tester Pool Tester Measures , Tds, , Temperature Tds Meter For Aquariums Spas Drinking Water ,Pocket Size Sensor $43.86

$4386
current price $43.86Digital Water Tester Pool Tester Measures , Tds, , Temperature Tds Meter For Aquariums Spas Drinking Water ,Pocket Size Sensor
MOMOJIA TDS Testing Electrode Probe Water Quality Tester Sensor Probe for Swimming Pool

MOMOJIA TDS Testing Electrode Probe Water Quality Tester Sensor Probe for Swimming Pool
SMART SENSOR AR8011 Digital Water Quality Tester TDS Analyzer Meter with LCD Screen Portable High Precision Purity Monitor Pen for Agriculture and Industry $31.83

$3183
current price $31.83SMART SENSOR AR8011 Digital Water Quality Tester TDS Analyzer Meter with LCD Screen Portable High Precision Purity Monitor Pen for Agriculture and Industry
Quanmin 3 in 1 Water Quality Tester, Accurate and Reliable, TDS Meter, EC Meter Temperature Meter, 0-9990ppm, Digital Water Test Meter for Drinking Water, Aquariums, 2PCS $21.99

$2199
current price $21.99Quanmin 3 in 1 Water Quality Tester, Accurate and Reliable, TDS Meter, EC Meter Temperature Meter, 0-9990ppm, Digital Water Test Meter for Drinking Water, Aquariums, 2PCS
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 $52.36

$5236
current price $52.367 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
5 in 1 PH Meter Temperature TDS EC Salinity Meter Rechargeable Digital Water Quality Monitor Salt Tester for Aquarium Pools ,Pocket Size Sensor $53.73

$5373
current price $53.735 in 1 PH Meter Temperature TDS EC Salinity Meter Rechargeable Digital Water Quality Monitor Salt Tester for Aquarium Pools ,Pocket Size Sensor
Digital Water Tester,TDS Meter Digital Water Tester | Accurate Intelligent Professional Water Test | Multifunctional Lab Multifunctional Meters For Aquarium Fish Pool

Digital Water Tester,TDS Meter Digital Water Tester | Accurate Intelligent Professional Water Test | Multifunctional Lab Multifunctional Meters For Aquarium Fish Pool
5 In 1 Water Quality Detector Rechargeable Digital PH EC TDS Salinity TEMP Monitor For Drinking Water Aquarium Swimming Pool Spa ,Accurate and Reliable $55.65

$5565
current price $55.655 In 1 Water Quality Detector Rechargeable Digital PH EC TDS Salinity TEMP Monitor For Drinking Water Aquarium Swimming Pool Spa ,Accurate and Reliable
Wiher PH Tester Digital, 5-in-1Water Tester with LED Display Screen PH/TDS/EC/Salinity/Temp Meter for Drinking Water Swimming Pools Hydroponic Plants Aquariums Wine Making $26.99

Sponsored
$2699
current price $26.99Wiher PH Tester Digital, 5-in-1Water Tester with LED Display Screen PH/TDS/EC/Salinity/Temp Meter for Drinking Water Swimming Pools Hydroponic Plants Aquariums Wine Making
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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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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 $70.91

$7091
current price $70.917 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
Professional Water Quality Tester 5 In 1 TDS/PH/EC/Temp /Salinity Meter Water Analyzer For Pools Drinking Water Aquarium Monitor ,Pocket Size Sensor $43.86

$4386
current price $43.86Professional Water Quality Tester 5 In 1 TDS/PH/EC/Temp /Salinity Meter Water Analyzer For Pools Drinking Water Aquarium Monitor ,Pocket Size Sensor
TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter ,Pocket Size Sensor - PH_1 $36.69

$3669
current price $36.69TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter ,Pocket Size Sensor - PH_1
LAZIOEGR 6-in-1 Digital Water Quality Detector, Multiparameter Tester for Drinking Water (TDS, TOC, COD, UV275, EC, Temp), High Sensitivity Probe, LCD Screen, White (15.7cm / 6.18 inches) $58.24

$5824
current price $58.24LAZIOEGR 6-in-1 Digital Water Quality Detector, Multiparameter Tester for Drinking Water (TDS, TOC, COD, UV275, EC, Temp), High Sensitivity Probe, LCD Screen, White (15.7cm / 6.18 inches)
THLKIF 4‑in‑1 Portable Digital TDS Water Tester with Temperature & Color Display, Multi‑Function Water Quality Detector for Drinking Water,Pool,Hydroponics and Aquarium, Ideal for Home & Travel Use

THLKIF 4‑in‑1 Portable Digital TDS Water Tester with Temperature & Color Display, Multi‑Function Water Quality Detector for Drinking Water,Pool,Hydroponics and Aquarium, Ideal for Home & Travel Use
Water Quality Pen 7 In 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester ,Pocket Size Sensor $60.86

$6086
current price $60.86Water Quality Pen 7 In 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester ,Pocket Size Sensor
PH Meter Tds Tester Digital ORP EC Salinity H2 S.G Spa Aquarium Water Test Tool Solution Fertilizer Resistivity Test Instruments ,Pocket Size Sensor $74.09

$7409
current price $74.09PH Meter Tds Tester Digital ORP EC Salinity H2 S.G Spa Aquarium Water Test Tool Solution Fertilizer Resistivity Test Instruments ,Pocket Size Sensor
RS485 Communication Multi-Function Water Quality Tester Monitor PH ORP TDS EC CF mp Humidity Meter ,Pocket Size Sensor $184.09

$18409
current price $184.09RS485 Communication Multi-Function Water Quality Tester Monitor PH ORP TDS EC CF mp Humidity Meter ,Pocket Size Sensor
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 $64.91

$6491
current price $64.917 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
All New 4 in 1 TDS Meter Digital Water Tester, Accurate for Drinking Water, Aquariums, Hydroponics, Large Backlit LCD, Auto-Lock, Yellow, 1PC

All New 4 in 1 TDS Meter Digital Water Tester, Accurate for Drinking Water, Aquariums, Hydroponics, Large Backlit LCD, Auto-Lock, Yellow, 1PC
Tds&ec Pen Three-in-one Tds Detection Pen Conductivity Pen Ec Meter Liquid Water Quality Detection ,Pocket Size Sensor - BLUE WITH BACKLIGHT $25.78

$2578
current price $25.78Tds&ec Pen Three-in-one Tds Detection Pen Conductivity Pen Ec Meter Liquid Water Quality Detection ,Pocket Size Sensor - BLUE WITH BACKLIGHT
6 in 1 Water Quality Detector PH EC TDS ORP Temperature Chlorine APP Display Swimming Pool Bluetooth Water Quality Teste $56.82

$5682
current price $56.826 in 1 Water Quality Detector PH EC TDS ORP Temperature Chlorine APP Display Swimming Pool Bluetooth Water Quality Teste
6 in1 Water Quality Detector PH EC TDS ORP Temperature Chlorine Multi-function Water Tester APP Online Monitor for Swimming Pool ,Accurate - 6 IN 1_X $122.73

$12273
current price $122.736 in1 Water Quality Detector PH EC TDS ORP Temperature Chlorine Multi-function Water Tester APP Online Monitor for Swimming Pool ,Accurate - 6 IN 1_X
New 4 in 1 Tds Meter Digital Water Teste,Water Tester for Drinking Waters for Tap,Well,Pool,Hydroponics,Aquarium,Ro/Di System,Compact and Portable (White-Leather Case)

New 4 in 1 Tds Meter Digital Water Teste,Water Tester for Drinking Waters for Tap,Well,Pool,Hydroponics,Aquarium,Ro/Di System,Compact and Portable (White-Leather Case)
15 out of 5 Stars. 1 reviews
MOMOJIA High Accuracy 4 In 1 Tester TDS Temp Detectors for Water Quality Monitoring $39.69

$3969
current price $39.69MOMOJIA High Accuracy 4 In 1 Tester TDS Temp Detectors for Water Quality Monitoring
TDS Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-held 3-in-1 Water Purity Tester for Drinking Water Hydroponics Plants Aquarium and Pool

TDS Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-held 3-in-1 Water Purity Tester for Drinking Water Hydroponics Plants Aquarium and Pool
304.5 out of 5 Stars. 30 reviews
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Digital Water Quality Tester Pen 5 in 1 TDS EC PH Salinity Temperature Meter for Pools, Drinking Water, Aquariums ,Pocket Size Sensor $38.09

$3809
current price $38.09Digital Water Quality Tester Pen 5 in 1 TDS EC PH Salinity Temperature Meter for Pools, Drinking Water, Aquariums ,Pocket Size Sensor
Clearance Deally 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 $14.99 Was $19.99

Now$1499
current price Now $14.99, Was $19.99$19.99
Deally 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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Oakton WD-35634-30 pHTestr 30 pH Tester, For Temperature CA3$190.40current price $190.40CyberTech Digital Pocket Size pH Meter/Water Quality Tester for Aquariums, Swimming Pools, PH 0-14.0 Measuring Range, 0.1 PH Resolution, Includes 2 Packs of Calibration Solution Mixtures
CyberTech Digital Pocket Size pH Meter/Water Quality Tester for Aquariums, Swimming Pools, PH 0-14.0 Measuring Range, 0.1 PH Resolution, Includes 2 Packs of Calibration Solution Mixtures$13.99current price $13.99HM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 2% Readout Accuracy
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