Total Dissolved Solids Meter(324)
Uses item details. Price when purchased online
VEVOR Dissolved Oxygen Meter, 0.0-50.0 mg/L Measurement Range,Portable Dissolved Oxygen Tester Kit with 13.1 ft Electrode Cable,Bluetooth/USB Data Transfer, 750 Data Sets Storage, DO Meter for Ponds $629.99

Sponsored
$62999
current price $629.99VEVOR Dissolved Oxygen Meter, 0.0-50.0 mg/L Measurement Range,Portable Dissolved Oxygen Tester Kit with 13.1 ft Electrode Cable,Bluetooth/USB Data Transfer, 750 Data Sets Storage, DO Meter for Ponds
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

Sponsored
Now$1199
current price Now $11.99, Was $21.98$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
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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
VEVOR Dissolved Oxygen Meter, 0.0-20.0 mg/L Measurement Range,Portable Dissolved Oxygen Tester Kit with 13.1 ft Electrode Cable,Membrane Set and Carrying Case,Data Sets Storage,DO Meter for Ponds $543.99 Was $619.99

Sponsored
Now$54399
current price Now $543.99, Was $619.99$619.99
VEVOR Dissolved Oxygen Meter, 0.0-20.0 mg/L Measurement Range,Portable Dissolved Oxygen Tester Kit with 13.1 ft Electrode Cable,Membrane Set and Carrying Case,Data Sets Storage,DO Meter for Ponds
Water Total Dissolved Solids Meter M1 PPM Conductivity Meter Digital Tester for Water Aquarium Pool $12.98

$1298
current price $12.98Water Total Dissolved Solids Meter M1 PPM Conductivity Meter Digital Tester for Water Aquarium Pool
Riousery 3-in-1 Digital Water Quality Tester EC Total Dissolved Solids Temperature Meter (6.06 inches / 154 mm) $10.48

$1048
current price $10.48Riousery 3-in-1 Digital Water Quality Tester EC Total Dissolved Solids Temperature Meter (6.06 inches / 154 mm)
Konvio Neer Imported Tds Meter, Total Dissolved Solids Meter, Water Quality Tester, Ppm Tester For Water Testing - White $30.00

$3000
current price $30.00Konvio Neer Imported Tds Meter, Total Dissolved Solids Meter, Water Quality Tester, Ppm Tester For Water Testing - White
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
334.6 out of 5 Stars. 33 reviews
Portable Digital Handheld Water Quality Tester Meter for Total Dissolved Solids Measurement 16.2x2.9cm Water Checker $10.02

$1002
current price $10.02Portable Digital Handheld Water Quality Tester Meter for Total Dissolved Solids Measurement 16.2x2.9cm Water Checker
Clearance Tds Meter Digital Water Tester, Electronic Water Quality Test Pen for Drinking Water, Aquariums, Pools & Hydroponics, Measures Ppm Of total Dissolved Solids (2-Pack) From $0.99

2 options
Available in additional 2 optionsFrom$099
Tds Meter Digital Water Tester, Electronic Water Quality Test Pen for Drinking Water, Aquariums, Pools & Hydroponics, Measures Ppm Of total Dissolved Solids (2-Pack)
Envig Gen4 Digital Drinking Water Tester | TOC, COD, TDS, TURB, UV254, GH, EC, SAL, TEMP 9-in-1 | Organic Contamination, Salinity, Turbility | Lab Grade | Well, Tap, Pool & Outdoor Water Quality $79.99

Sponsored
$7999
current price $79.99Envig Gen4 Digital Drinking Water Tester | TOC, COD, TDS, TURB, UV254, GH, EC, SAL, TEMP 9-in-1 | Organic Contamination, Salinity, Turbility | Lab Grade | Well, Tap, Pool & Outdoor Water Quality
25 out of 5 Stars. 2 reviews
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

Sponsored
Now$2564
current price Now $25.64, Was $26.99$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
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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

Now$1199
current price Now $11.99, Was $21.98$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
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Clearance Portable Water Quality Tester, Digital Total Dissolved Solids EC Meter with Temperature Compensation, 4 in 1 Test Pen for Drinking Water $8.49 Was $10.49

Now$849
current price Now $8.49, Was $10.49$10.49
Portable Water Quality Tester, Digital Total Dissolved Solids EC Meter with Temperature Compensation, 4 in 1 Test Pen for Drinking Water
Clearance 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

Now$1399
current price Now $13.99, Was $19.99$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
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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

Now$1079
current price Now $10.79, Was $11.99$11.99
Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
84.3 out of 5 Stars. 8 reviews
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Milwaukee MW401 PRO Low Range Total Dissolved Solids Meter for Aquaculture $173.10

$17310
current price $173.10Milwaukee MW401 PRO Low Range Total Dissolved Solids Meter for Aquaculture
Digital TDS Meter Professional 0-9990ppm Water Quality Tester Drinking Aquarium Pool Filter Meter Total Dissolved Solids Monitor ,Multifunctional $61.64

$6164
current price $61.64Digital TDS Meter Professional 0-9990ppm Water Quality Tester Drinking Aquarium Pool Filter Meter Total Dissolved Solids Monitor ,Multifunctional
TDS EC TEMP Meter COM-80 Total Dissolved Solids Monitor Conductivity Tester For Aquarium Hydroponics Drinking Water ,Wide Applications $44.99

$4499
current price $44.99TDS EC TEMP Meter COM-80 Total Dissolved Solids Monitor Conductivity Tester For Aquarium Hydroponics Drinking Water ,Wide Applications
Best seller 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
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
35 out of 5 Stars. 3 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 $20.59 Was $22.99

Sponsored
Now$2059
current price Now $20.59, Was $22.99$22.99
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
11 out of 5 Stars. 1 reviews
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KFFKFF Portable Dissolved Oxygen Meter, 0.0-50.0 mg/L Range, Handheld Oxygen Tester with 13.1 ft Probe Cable, Bluetooth/USB Connectivity, 750 Data Points Storage, Ideal for Aquatic Environments $499.99

Sponsored
$49999
current price $499.99KFFKFF Portable Dissolved Oxygen Meter, 0.0-50.0 mg/L Range, Handheld Oxygen Tester with 13.1 ft Probe Cable, Bluetooth/USB Connectivity, 750 Data Points Storage, Ideal for Aquatic Environments
Milwaukee MC410 PRO Total Dissolved solids (TDS) Monitor for USA 110V $139.15

$13915
current price $139.15Milwaukee MC410 PRO Total Dissolved solids (TDS) Monitor for USA 110V
TDS Meter,Digital Tds Tester Water Quality Purity Temp/Ppm Testing Meter , Digital Tds Total Dissolved Solids Meter Pen, For Aquarium, Beverages, Quality Control, Fish Hatcheries, Food Processing $7.12

$712
current price $7.12TDS Meter,Digital Tds Tester Water Quality Purity Temp/Ppm Testing Meter , Digital Tds Total Dissolved Solids Meter Pen, For Aquarium, Beverages, Quality Control, Fish Hatcheries, Food Processing
Milwaukee MW402 PRO High Range Total Dissolved Solids Meter for Aquaculture $179.10

$17910
current price $179.10Milwaukee MW402 PRO High Range Total Dissolved Solids Meter for Aquaculture
VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Black White, UL Certified $24.69

$2469
current price $24.69VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Black White, UL Certified
24.5 out of 5 Stars. 2 reviews
KITTEHIGM Water Tester Total Dissolved Solids Meter Digital Water Quality Tester for Drinking Water Hydroponics Aquarium Pools 0-9990 ppm with Backlit Display $10.99

$1099
current price $10.99KITTEHIGM Water Tester Total Dissolved Solids Meter Digital Water Quality Tester for Drinking Water Hydroponics Aquarium Pools 0-9990 ppm with Backlit Display
Yajisi H4 Digital TDS Meter Portable Household Anti-Corrosion Total Dissolved Solids Water Quality Test Pen 0-9990ppm $8.59

$859
current price $8.59Yajisi H4 Digital TDS Meter Portable Household Anti-Corrosion Total Dissolved Solids Water Quality Test Pen 0-9990ppm
Handheld TDS Detection Tool Accurate Total Dissolved Solids Measurement Portable Water Quality Analysis For Home Travel $8.91

$891
current price $8.91Handheld TDS Detection Tool Accurate Total Dissolved Solids Measurement Portable Water Quality Analysis For Home Travel
Clearance VKLU Digital TDS Meter Water Quality Tester, 0-9990 PPM Portable PPM Monitor for Drinking Water, RO System & Aquariums, Fast Read Purity Checker Was $4.99

VKLU Digital TDS Meter Water Quality Tester, 0-9990 PPM Portable PPM Monitor for Drinking Water, RO System & Aquariums, Fast Read Purity Checker
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 $19.99

Sponsored
$1999
current price $19.99MUSICOZY 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
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Reduced price 2 Pack Digital TDS Meter Water Quality Tester 0-9999 PPM EC Temperature Meter Portable Pen Accurate Drinking Water Test Tool For RO Aquarium Pool Hydroponics with LCD Display $12.59 Was $13.99

Sponsored
Now$1259
current price Now $12.59, Was $13.99$13.99
2 Pack Digital TDS Meter Water Quality Tester 0-9999 PPM EC Temperature Meter Portable Pen Accurate Drinking Water Test Tool For RO Aquarium Pool Hydroponics with LCD Display
32.7 out of 5 Stars. 3 reviews
All New 4 in 1 TDS Meter Digital Water Tester, Accurate for Drinking Water, Aquariums, Hydroponics, Large Backlit LCD, Auto-Lock, Yellow, 1PC $7.69 Was $8.55

Now$769
current price Now $7.69, Was $8.55$8.55
All New 4 in 1 TDS Meter Digital Water Tester, Accurate for Drinking Water, Aquariums, Hydroponics, Large Backlit LCD, Auto-Lock, Yellow, 1PC
Milwaukee CD610 Total Dissolved Solids High Range for Aquariums $39.99

$3999
current price $39.99Milwaukee CD610 Total Dissolved Solids High Range for Aquariums
Shinysix WiFi Water Quality Analyzer with 5in1 Monitor for PH, TDS, S.G, EC, and Temperature-Ideal for Drinking Water, Aquarium, and Swimming Pool $52.05

$5205
current price $52.05Shinysix WiFi Water Quality Analyzer with 5in1 Monitor for PH, TDS, S.G, EC, and Temperature-Ideal for Drinking Water, Aquarium, and Swimming Pool
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
GJX 4 in 1 TDS Meter Digital Water Tester, Accurate TDS, EC, Temp (C/F) 0-9990ppm, Multi-Function Digital Water Purity Tester for Drinking Waters, for All Types of Waters (A-White) $9.42

$942
current price $9.42GJX 4 in 1 TDS Meter Digital Water Tester, Accurate TDS, EC, Temp (C/F) 0-9990ppm, Multi-Function Digital Water Purity Tester for Drinking Waters, for All Types of Waters (A-White)
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

$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
Portable 6 In 1 Water Quality Detector PH EC TDS ORP Temperature Chlorine CL APP Display Swimming Pool 6in1 Water Quality Tester ,Reliable - BLUE_6 IN 1 NO SOLAR $111.07

$11107
current price $111.07Portable 6 In 1 Water Quality Detector PH EC TDS ORP Temperature Chlorine CL APP Display Swimming Pool 6in1 Water Quality Tester ,Reliable - BLUE_6 IN 1 NO SOLAR
Digital TDS Water Tester Meter, Portable Drinking Water Quality Purity Pen, Hydroponics Nutrient Solution Checker, Aquarium Pool Total Dissolved Solids Monitor, Professional PPM Tester

Digital TDS Water Tester Meter, Portable Drinking Water Quality Purity Pen, Hydroponics Nutrient Solution Checker, Aquarium Pool Total Dissolved Solids Monitor, Professional PPM Tester
M Buder 3-in-1 Digital Water Quality Tester Pen TDS EC Temperature Meter 0-9990 PPM LCD Display for Drinking Water Pools Aquariums (7.87 inches / 20 cm) $12.06

$1206
current price $12.06M Buder 3-in-1 Digital Water Quality Tester Pen TDS EC Temperature Meter 0-9990 PPM LCD Display for Drinking Water Pools Aquariums (7.87 inches / 20 cm)
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 $60.79

$6079
current price $60.79TDS 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
Yajisi Digital Water Quality Tester Bluetooth 5-in-1 EC TDS SALT SG TEMP Meter 9.84 inches / 25cm App Control for Drinking Water Aquariums Hydroponics $37.76

$3776
current price $37.76Yajisi Digital Water Quality Tester Bluetooth 5-in-1 EC TDS SALT SG TEMP Meter 9.84 inches / 25cm App Control for Drinking Water Aquariums Hydroponics
Intelligent Chlorin Meter 7 in 1 PH ORP EC Total Dissolved Solids Salinity Temp CL Test Meter Swimming Pool Water Tester ,Multifunctional $278.33

$27833
current price $278.33Intelligent Chlorin Meter 7 in 1 PH ORP EC Total Dissolved Solids Salinity Temp CL Test Meter Swimming Pool Water Tester ,Multifunctional
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)
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 $49.14

$4914
current price $49.14VEVOR 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

Now$2564
current price Now $25.64, Was $26.99$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
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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
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
LEORX Lightweight 70g 3-In- Water Tester Total Dissolved Solids Measurement Long Life For 5 Years $9.79

$979
current price $9.79LEORX Lightweight 70g 3-In- Water Tester Total Dissolved Solids Measurement Long Life For 5 Years
Nieyigj Water Quality Tester 5 in 1 Fish Tank Backlit LCD Screen Digital PH EC TDS Temp Meter 7.09 inches / 18 cm $29.15

$2915
current price $29.15Nieyigj Water Quality Tester 5 in 1 Fish Tank Backlit LCD Screen Digital PH EC TDS Temp Meter 7.09 inches / 18 cm
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