Sort by|

Tds Meter

Uses item details. Price when purchased online

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

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
Sponsored
current price Now $11.99, Was $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

Save with
Walmart Plus

Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $10.79 Was $11.99

Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
Sponsored
current price Now $10.79, Was $11.99

Asunby 3-in-1 Water Quality Tester – TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems

4.3 out of 5 Stars. 8 reviews
Save with
Walmart Plus

Clearance TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water $10.99 Was $19.99

TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water
Sponsored
current price Now $10.99, Was $19.99

TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water

4.1 out of 5 Stars. 106 reviews
Save with
Walmart Plus

TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue $13.99 Was $19.99

TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue
Sponsored
current price Now $13.99, Was $19.99

TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue

Save with
Walmart Plus

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

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
current price Now $11.99, Was $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

Save with
Walmart Plus

Overall pick iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm $6.99

iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm
current price $6.99

iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm

4.3 out of 5 Stars. 87 reviews
Save with
Walmart Plus

TDS Meter Digital Water Test for Household Drinking Aquariums $9.15

TDS Meter Digital Water Test for Household Drinking Aquariums
current price $9.15

TDS Meter Digital Water Test for Household Drinking Aquariums

Clearance TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water $10.99 Was $19.99

TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water
current price Now $10.99, Was $19.99

TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water

4.1 out of 5 Stars. 106 reviews
Save with
Walmart Plus

PH Tester,TDS Meter Digital Water Tester, Portable Acidity Meter Water Quality Test Tool for Aquarium Laboratory Drinking Water Purity Test,Swimming Pools $36.70

PH Tester,TDS Meter Digital Water Tester, Portable Acidity Meter Water Quality Test Tool for Aquarium Laboratory Drinking Water Purity Test,Swimming Pools
current price $36.70

PH Tester,TDS Meter Digital Water Tester, Portable Acidity Meter Water Quality Test Tool for Aquarium Laboratory Drinking Water Purity Test,Swimming Pools

Clearance Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New From $1.99

Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New
Blue, variant on Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New
Blue*2, variant on Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New
Blue*3, variant on Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New
Light Blue, variant on Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New
From$199

Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New

5 out of 5 Stars. 3 reviews

Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,±0.01 $19.99

Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,±0.01
Sponsored
current price $19.99

Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,±0.01

3.9 out of 5 Stars. 39 reviews
Save with
Walmart Plus

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

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
Sponsored
current price $12.99

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

4.3 out of 5 Stars. 8 reviews
Save with
Walmart Plus

HCTSHG All New 4 In 1 Tds Meter Digital Water Tester Accurate and Reliable TDS & Temp(°C °F) Meter 0 0 Testing for Drinking Water RO/DI System Aquariums Etc

HCTSHG All New 4 In 1 Tds Meter Digital Water Tester Accurate and Reliable TDS & Temp(°C °F) Meter 0 0 Testing for Drinking Water RO/DI System Aquariums Etc

HCTSHG All New 4 In 1 Tds Meter Digital Water Tester Accurate and Reliable TDS & Temp(°C °F) Meter 0 0 Testing for Drinking Water RO/DI System Aquariums Etc

TOP! Water Quality Test Pen TDS/PH/TEMP PH Meter Multi-Parameter Belt Analyzer $30.18

TOP! Water Quality Test Pen TDS/PH/TEMP PH Meter Multi-Parameter Belt Analyzer
current price $30.18

TOP! Water Quality Test Pen TDS/PH/TEMP PH Meter Multi-Parameter Belt Analyzer

Digital Water Tester,TDS Meter Digital Water Tester | Accurate Intelligent Professional Water Test | Multifunctional Lab Multifunctional Meters For Aquarium Fish Pool $5.48

Digital Water Tester,TDS Meter Digital Water Tester | Accurate Intelligent Professional Water Test | Multifunctional Lab Multifunctional Meters For Aquarium Fish Pool
current price $5.48

Digital Water Tester,TDS Meter Digital Water Tester | Accurate Intelligent Professional Water Test | Multifunctional Lab Multifunctional Meters For Aquarium Fish Pool

Best seller TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools Was $9.20

TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools

TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools

4.6 out of 5 Stars. 27 reviews

3 in 1 Digital Water Tester Meter, PH/TDS/Temperature Degree, Water Tester Pen for Drinking Water Hydroponics Aquarium and Pool $16.99

3 in 1 Digital Water Tester Meter, PH/TDS/Temperature Degree, Water Tester Pen for Drinking Water Hydroponics Aquarium and Pool
current price $16.99

3 in 1 Digital Water Tester Meter, PH/TDS/Temperature Degree, Water Tester Pen for Drinking Water Hydroponics Aquarium and Pool

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) $5.48

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)
current price $5.48

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)

Wmkox8yii 4 in 1 TDS Meter Digital Water Tester,EC & Temperature(°C,°F) Meter,Accurate & Reliable Digital Water Testing Kits for Drinking Water,Tap,Well,Swimming Pool,Hydroponics,Aquariu

Wmkox8yii 4 in 1 TDS Meter Digital Water Tester,EC & Temperature(°C,°F) Meter,Accurate & Reliable Digital Water Testing Kits for Drinking Water,Tap,Well,Swimming Pool,Hydroponics,Aquariu
Blue, variant on Wmkox8yii 4 in 1 TDS Meter Digital Water Tester,EC & Temperature(°C,°F) Meter,Accurate & Reliable Digital Water Testing Kits for Drinking Water,Tap,Well,Swimming Pool,Hydroponics,Aquariu
White, variant on Wmkox8yii 4 in 1 TDS Meter Digital Water Tester,EC & Temperature(°C,°F) Meter,Accurate & Reliable Digital Water Testing Kits for Drinking Water,Tap,Well,Swimming Pool,Hydroponics,Aquariu

Wmkox8yii 4 in 1 TDS Meter Digital Water Tester,EC & Temperature(°C,°F) Meter,Accurate & Reliable Digital Water Testing Kits for Drinking Water,Tap,Well,Swimming Pool,Hydroponics,Aquariu

Clearance 4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter, 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc Was $8.69

4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter, 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc

4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter, 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc

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

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 $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

3.4 out of 5 Stars. 45 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

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 $27.99, 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

4.1 out of 5 Stars. 30 reviews
Save with
Walmart Plus

Portable TDS Meter Water Quality Tester for Drinking Water, Aquariums, Pools, Hydroponics Temp & Purity Measurement Pen $18.15

Portable TDS Meter Water Quality Tester for Drinking Water, Aquariums, Pools, Hydroponics Temp & Purity Measurement Pen
current price $18.15

Portable TDS Meter Water Quality Tester for Drinking Water, Aquariums, Pools, Hydroponics Temp & Purity Measurement Pen

2X 7 In 1 PH/TDS/EC/ORP/Salinity /S.G/Temperature Meter C-600 Water Quality Tester for Drinking Water,Aquariums PH Meter $41.82

2X 7 In 1 PH/TDS/EC/ORP/Salinity /S.G/Temperature Meter C-600 Water Quality Tester for Drinking Water,Aquariums PH Meter
current price $41.82

2X 7 In 1 PH/TDS/EC/ORP/Salinity /S.G/Temperature Meter C-600 Water Quality Tester for Drinking Water,Aquariums PH Meter

HM Digital TDS-4 Pocket-Size TDS Meter, 1 count $26.99

HM Digital TDS-4 Pocket-Size TDS Meter, 1 count
current price $26.99

HM Digital TDS-4 Pocket-Size TDS Meter, 1 count

Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking $30.99

Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking
current price $30.99

Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking

Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $10.79 Was $11.99

Asunby 3-in-1 Water Quality Tester  TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
current price Now $10.79, Was $11.99

Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems

4.3 out of 5 Stars. 8 reviews
Save with
Walmart Plus

DAMAI 2025 New 4 in 1 Digital Water Quality Tester,0-9990PPM TDS Meter Digital Water Tester,Professional Testing for Drinking Water, Hydroponics, Aquariums, RO Systems Swimming Pools $3.77 Was $6.77

DAMAI 2025 New 4 in 1 Digital Water Quality Tester,0-9990PPM TDS Meter Digital Water Tester,Professional Testing for Drinking Water, Hydroponics, Aquariums, RO Systems Swimming Pools
current price Now $3.77, Was $6.77

DAMAI 2025 New 4 in 1 Digital Water Quality Tester,0-9990PPM TDS Meter Digital Water Tester,Professional Testing for Drinking Water, Hydroponics, Aquariums, RO Systems Swimming Pools

TDS Meter Portable Water Quality Monitor Agricultural Aquarium Water Analyzer Pen $3.99 Was $5.99

TDS Meter Portable Water Quality Monitor Agricultural Aquarium Water Analyzer Pen
current price Now $3.99, Was $5.99

TDS Meter Portable Water Quality Monitor Agricultural Aquarium Water Analyzer Pen

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

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 $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

3.4 out of 5 Stars. 45 reviews

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

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
Sponsored
current price $42.99

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

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 $25.64 Was $26.99

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
Sponsored
current price Now $25.64, Was $26.99

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

Save with
Walmart Plus

TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue $13.99 Was $19.99

TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue
current price Now $13.99, Was $19.99

TDS Water Tester, Drinking Water Tester, 0-9990 PPM Meter Water Quality Tester, Portable Water Tester for Drinking Water, TDS Meter Digital Water Tester, 1 Pack, Deep Blue

Save with
Walmart Plus

Clearance water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue From $1.49

water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue
Blue, variant on water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue
Z1_Blue, variant on water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue
Z2_White, variant on water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue
Z4_Red, variant on water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue
From$149

water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue

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
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. 37 reviews
Save with
Walmart Plus

4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(C,F) Meter,0-9990ppm - Professional Testing for Drinking Water,RO/DI System,Aquariums etc $4.49

4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(C,F) Meter,0-9990ppm - Professional Testing for Drinking Water,RO/DI System,Aquariums etc
current price $4.49

4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(C,F) Meter,0-9990ppm - Professional Testing for Drinking Water,RO/DI System,Aquariums etc

ZOURIH TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water, From $5.95

ZOURIH TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water,
Available in additional 2 options
From$595

ZOURIH TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water,

4.5 out of 5 Stars. 2 reviews

YAHHU Portable TDS Meter Digital Water Quality Tester 3-in-1 EC Temp Kit (6.30 inches / 16 cm) $11.21

YAHHU Portable TDS Meter Digital Water Quality Tester 3-in-1 EC Temp Kit (6.30 inches / 16 cm)
current price $11.21

YAHHU Portable TDS Meter Digital Water Quality Tester 3-in-1 EC Temp Kit (6.30 inches / 16 cm)

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

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
current price $12.99

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

4.3 out of 5 Stars. 8 reviews
Save with
Walmart Plus

Guczhu Tds Value Water Quality Test Pen Plastic-Digital Tds Meter Water Tester Water Quality Tester Measuring Range 09 Ideal For Drinking Water Swimming Pool Aquariums Hydroponics (Grey) (Tds) $2.88 Was $3.29

Guczhu Tds Value Water Quality Test Pen Plastic-Digital Tds Meter Water Tester Water Quality Tester Measuring Range 09 Ideal For Drinking Water Swimming Pool Aquariums Hydroponics (Grey) (Tds)
current price Now $2.88, Was $3.29

Guczhu Tds Value Water Quality Test Pen Plastic-Digital Tds Meter Water Tester Water Quality Tester Measuring Range 09 Ideal For Drinking Water Swimming Pool Aquariums Hydroponics (Grey) (Tds)

Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01 $19.99

Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01
current price $19.99

Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01

3.9 out of 5 Stars. 39 reviews
Save with
Walmart Plus

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

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)
Blue, variant on 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)
White, variant on 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$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)

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 $3.17 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
current price Now $3.17, 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

Tds Meter Digital Water Tester-Water Testing Kits for Drinking Home, Well, Tap Test (Without Battery) $6.62

Tds Meter Digital Water Tester-Water Testing Kits for Drinking Home, Well, Tap Test (Without Battery)
current price $6.62

Tds Meter Digital Water Tester-Water Testing Kits for Drinking Home, Well, Tap Test (Without Battery)

5 out of 5 Stars. 1 reviews

2025 AllNew 4 in 1 Tds Meter Digital Water Tester Accurate And Reliable Tds Ec & Temp(°C ,°F) Meter 09990Ppm Professional Testing for Drinking Water, Ro/Di System, Aquariums Etc Was $6.59

2025 AllNew 4 in 1 Tds Meter Digital Water Tester Accurate And Reliable Tds Ec & Temp(°C ,°F) Meter 09990Ppm Professional Testing for Drinking Water, Ro/Di System, Aquariums Etc

2025 AllNew 4 in 1 Tds Meter Digital Water Tester Accurate And Reliable Tds Ec & Temp(°C ,°F) Meter 09990Ppm Professional Testing for Drinking Water, Ro/Di System, Aquariums Etc

Nieyigj M1 Digital TDS Meter Test Pen Water Quality Analyzer Portable Multi-parameter Tester for Swimming Pool Aquarium Hydroponics 0-9990 PPM Measurement Range High Accuracy Resolution $10.50

Nieyigj M1 Digital TDS Meter Test Pen Water Quality Analyzer Portable Multi-parameter Tester for Swimming Pool Aquarium Hydroponics 0-9990 PPM Measurement Range High Accuracy Resolution
current price $10.50

Nieyigj M1 Digital TDS Meter Test Pen Water Quality Analyzer Portable Multi-parameter Tester for Swimming Pool Aquarium Hydroponics 0-9990 PPM Measurement Range High Accuracy Resolution

1 Pc TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools, 0.94x0.55x5.51 Inch, Blue Was $4.99

1 Pc TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools, 0.94x0.55x5.51 Inch, Blue

1 Pc TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools, 0.94x0.55x5.51 Inch, Blue

5 out of 5 Stars. 1 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 $14.99 Was $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
current price Now $14.99, Was $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

4.5 out of 5 Stars. 2 reviews
Save with
Walmart Plus

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

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 $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

Save with
Walmart Plus

TDS Meter Tester 0~9990ppm TDS Meter Water Quality Tester LCD Digital Water Meter Measurement Range ,Accurate and Reliable - WHITE $43.35

TDS Meter Tester 0~9990ppm TDS Meter Water Quality Tester LCD Digital Water Meter Measurement Range ,Accurate and Reliable - WHITE
current price $43.35

TDS Meter Tester 0~9990ppm TDS Meter Water Quality Tester LCD Digital Water Meter Measurement Range ,Accurate and Reliable - WHITE

Highly rated by customers

Related Products