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]
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)
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
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
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
Best seller Water Quality Tester Accurate TDS Water Meter Fast and Easy Water Test Meter Digital Water Tester Multifunctional Meter TDS Water Tester for Drinking Hydroponics Aquarium Was $13.69

Water Quality Tester Accurate TDS Water Meter Fast and Easy Water Test Meter Digital Water Tester Multifunctional Meter TDS Water Tester for Drinking Hydroponics Aquarium
35 out of 5 Stars. 3 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
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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 Detector Rechargeable Digital PH EC TDS Salinity TEMP Monitor For Drinking Water Aquarium Swimming Pool Spa ,Multifunctional $52.83

$5283
current price $52.835 In 1 Water Quality Detector Rechargeable Digital PH EC TDS Salinity TEMP Monitor For Drinking Water Aquarium Swimming Pool Spa ,Multifunctional
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
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
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
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
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
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
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)
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
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
Water Quality Tester Accurate TDS Water Meter Fast and Easy Water Test Meter Digital Water Tester Multifunctional TDS Meter EC Meter Temperature Meter for Drinking Water Hydroponics Aquarium

Water Quality Tester Accurate TDS Water Meter Fast and Easy Water Test Meter Digital Water Tester Multifunctional TDS Meter EC Meter Temperature Meter for Drinking Water Hydroponics Aquarium
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
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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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 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
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
7-in-1 Digital Water Quality Tester for pH, TDS, EC, Salinity & Temperature, IP67 Waterproof $26.21

$2621
current price $26.217-in-1 Digital Water Quality Tester for pH, TDS, EC, Salinity & Temperature, IP67 Waterproof
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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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
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)
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
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
5-in-1 Digital Water Quality Tester Pen, Portable PH/TDS/EC/Salinity/Temperature Meter with ATC Backlight, for Drinking Water, Aquariums, Hydroponics & Pool

5-in-1 Digital Water Quality Tester Pen, Portable PH/TDS/EC/Salinity/Temperature Meter with ATC Backlight, for Drinking Water, Aquariums, Hydroponics & Pool
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
Clearance Digital TDS Water Meter - 0-9990 ppm Water Quality Tester for Drinking Water, Farming, Aquariums,Pools Was $5.57

Digital TDS Water Meter - 0-9990 ppm Water Quality Tester for Drinking Water, Farming, Aquariums,Pools
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
Cute Fridge Magnet Message Board Refrigerator Sticky Notes Creative Line Design Grocery List Pad Checklist Notepad Weekly Calendar Planner Was $3.51

Cute Fridge Magnet Message Board Refrigerator Sticky Notes Creative Line Design Grocery List Pad Checklist Notepad Weekly Calendar Planner
Digital Water Purifier TDS Tester, 4-in-1 Water Quality Meter with EC & Temperature Measurement, Backlit LCD Display, Auto Shut-Off, Water Purity Tester for Drinking Water, RO Systems, Aquariums $19.99

$1999
current price $19.99Digital Water Purifier TDS Tester, 4-in-1 Water Quality Meter with EC & Temperature Measurement, Backlit LCD Display, Auto Shut-Off, Water Purity Tester for Drinking Water, RO Systems, Aquariums
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
Clearance VKLU Digital TDS Meter Water Quality Tester, 0-9990 PPM Portable PPM Monitor for Drinking Water, RO System & Aquariums, Fast Read Purity Checker From $3.99
From$399
VKLU Digital TDS Meter Water Quality Tester, 0-9990 PPM Portable PPM Monitor for Drinking Water, RO System & Aquariums, Fast Read Purity Checker
APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy $18.99

$1899
current price $18.99APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy
284.1 out of 5 Stars. 28 reviews
Water Tester 4-In-1 Digital Water Tester, Accurate Tds Meter with Temperature Sensor for Drinking Water, Aquariums And Instant Results Yellow Was $8.09

Water Tester 4-In-1 Digital Water Tester, Accurate Tds Meter with Temperature Sensor for Drinking Water, Aquariums And Instant Results Yellow
TDS Tester LCD Online Water Quality Meter 0-9990PPM Detection $26.51

$2651
current price $26.51TDS Tester LCD Online Water Quality Meter 0-9990PPM Detection
V1.0 Water Quality Sensor Digital Tester for Purity, Filtration,Hydroponics Compatible with ESP32 Raspberry Pi - TDS METER 1PC $50.80

$5080
current price $50.80V1.0 Water Quality Sensor Digital Tester for Purity, Filtration,Hydroponics Compatible with ESP32 Raspberry Pi - TDS METER 1PC
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
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
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iPstyle TDS Meter Digital Water Tester, Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1 0-4999 ppm EC Meter$6.99current price $6.99Tds Meter Digital Water Tester,Accurate and Reliable,TDS Meter, EC Meter & Temperature Meter 3 in 1,Water Test Meter
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