Td Test(107)
Uses item details. Price when purchased online
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
Sponsored
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
4.3 out of 5 stars
Deal 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 $10.99
Deal
Sponsored
$1099
current price $10.99All-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
4.8 out of 5 stars
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
3.5 out of 5 stars
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
4.2 out of 5 stars
Best seller 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
Best seller
Now$1099
current price Now $10.99, Was $19.99$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
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 $1.65
Best seller
From$165
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
4.4 out of 5 stars
Deal 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 $10.99
Deal
$1099
current price $10.99All-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
4.8 out of 5 stars
Best seller TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools $7.99 Was $9.20
Best seller
Now$799
current price Now $7.99, Was $9.20$9.20
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
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
4.3 out of 5 stars
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, Yellow Blue, UL Certified $17.99
$1799
current price $17.99VIVOSUN 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, Yellow Blue, UL Certified
Best seller Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank $26.99
Best seller
Sponsored
$2699
current price $26.99Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank
4.9 out of 5 stars
Best seller TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools $7.99 Was $9.20
Best seller
Sponsored
Now$799
current price Now $7.99, Was $9.20$9.20
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
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ... $16.95 Was $22.94
Now$1695
current price Now $16.95, Was $22.94$22.94
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ...
4.6 out of 5 stars
2026 All-New 4-in-1 TDS Meter: Test TDS, EC & Temp (C/F) with 0-9999 ppm Range. Accurate Digital Water Tester for Drinking Water, RO/DI Systems, Aquariums, Hydroponics. $9.04 Was $17.99
Now$904
current price Now $9.04, Was $17.99$17.99
2026 All-New 4-in-1 TDS Meter: Test TDS, EC & Temp (C/F) with 0-9999 ppm Range. Accurate Digital Water Tester for Drinking Water, RO/DI Systems, Aquariums, Hydroponics.
5 out of 5 stars
HM Digital TDS-EZ Water Quality TDS Tester $16.95 Was $22.55
Now$1695
current price Now $16.95, Was $22.55$22.55
HM Digital TDS-EZ Water Quality TDS Tester
4.7 out of 5 stars
Reduced price 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 $2.84 Was $3.17
Reduced price
Now$284
current price Now $2.84, Was $3.17$3.17
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, 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
Clearance
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)
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 $5.49
From$549
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
4.5 out of 5 stars
Digital PH Meter, Pool Salt Tester, Multifunctional 7 in 1 Salinity/TDS/EC/Temp/ORP/S. G/PH, Water Quality Testing Kit for Tester Drinking Water,Swimming Pool, Sea Water, Aquarium, Hydroponics $25.69
$2569
current price $25.69Digital PH Meter, Pool Salt Tester, Multifunctional 7 in 1 Salinity/TDS/EC/Temp/ORP/S. G/PH, Water Quality Testing Kit for Tester Drinking Water,Swimming Pool, Sea Water, Aquarium, Hydroponics
3.7 out of 5 stars
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
$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
4.4 out of 5 stars
Reduced price 5-in-1 Digital Water Quality Tester – PH/TDS/EC/Salinity/Temperature Meter, US Plug Digital PH Meter Pool Salt Tester for Water Temp Meter ATC Household, Hydrophonic, Precision Algorithm Chip $21.59 Was $23.99
Reduced price
Sponsored
Now$2159
current price Now $21.59, Was $23.99$23.99
5-in-1 Digital Water Quality Tester – PH/TDS/EC/Salinity/Temperature Meter, US Plug Digital PH Meter Pool Salt Tester for Water Temp Meter ATC Household, Hydrophonic, Precision Algorithm Chip
4.7 out of 5 stars
NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure $22.87
Sponsored
$2287
current price $22.87NefLaca 7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen Drinking Water Aquariums Hydroponic Cooking Tester Measure
Clearance Water Tester Digital TDS Water Tester Meter Pen,Water Quality Test Tool for Drinking Water Aquarium Pool Farming Water Testing Device,1PC,Blue $2.81 Was $3.19
Clearance
Now$281
current price Now $2.81, Was $3.19$3.19
Water Tester Digital TDS Water Tester Meter Pen,Water Quality Test Tool for Drinking Water Aquarium Pool Farming Water Testing Device,1PC,Blue
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 $1.97
$197
current price $1.97DAMAI 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 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 $10.01 Was $13.99
Now$1001
current price Now $10.01, Was $13.99$13.99
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
ZOUYUE TDS Meter (Digital Water Tester) + PH Meter Tester for Hydroponics, Household Drinking, and Aquarium $7.99
$799
current price $7.99ZOUYUE TDS Meter (Digital Water Tester) + PH Meter Tester for Hydroponics, Household Drinking, and Aquarium
3.8 out of 5 stars
GJX 4-in-1 Digital TDS Meter, Water Quality Tester for EC & Temp, 0-9990PPM Pen Tool for Drinking Water RO System Aquariums $6.62
$662
current price $6.62GJX 4-in-1 Digital TDS Meter, Water Quality Tester for EC & Temp, 0-9990PPM Pen Tool for Drinking Water RO System Aquariums
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 $10.49
$1049
current price $10.49Deally 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
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 $9.74
$974
current price $9.74Water 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
Preplabs Portable TDS Meter 4-in-1 Digital Water Tester with Color Alert, Titanium Probe for Pools/Hydroponics/Aquariums, Drinking Water Analysis Kit for Home & Outdoor Safety From $4.99
From$499
Preplabs Portable TDS Meter 4-in-1 Digital Water Tester with Color Alert, Titanium Probe for Pools/Hydroponics/Aquariums, Drinking Water Analysis Kit for Home & Outdoor Safety
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
Sponsored
Now$2399
current price Now $23.99, Was $29.99$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
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 $17.99 Was $19.99
Sponsored
Now$1799
current price Now $17.99, Was $19.99$19.99
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
3.5 out of 5 stars
Zoxiy Handheld Electronic Water Tester,4-in-1 TDS Meter Digital Water Tester,Digital pH Tester,Perfect For Home,Swimming Pools,Aquariums,Hydroponics And Laboratory Tds Testing Applications,Blue $2.89 Was $6.19
Now$289
current price Now $2.89, Was $6.19$6.19
Zoxiy Handheld Electronic Water Tester,4-in-1 TDS Meter Digital Water Tester,Digital pH Tester,Perfect For Home,Swimming Pools,Aquariums,Hydroponics And Laboratory Tds Testing Applications,Blue
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
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
3.5 out of 5 stars
At-Home Drinking Water Test Tool Quality Rapid TDS Meter Analyzer Kit Gauge Tap $9.52
$952
current price $9.52At-Home Drinking Water Test Tool Quality Rapid TDS Meter Analyzer Kit Gauge Tap
4.2 out of 5 stars
Clearance xushi06 Tds Meter Aquarium,4 In 1 Tds Meter,Water Tester For Drinking Water,Digital Water Tester,Water Quality Tester,Water Purity Tester For Drinking Water,Ro/Di System,Aquariums Etc,1 PC From $2.65
Clearance
From$265
xushi06 Tds Meter Aquarium,4 In 1 Tds Meter,Water Tester For Drinking Water,Digital Water Tester,Water Quality Tester,Water Purity Tester For Drinking Water,Ro/Di System,Aquariums Etc,1 PC
Digital pH TDS & EC Temp Meter for Water,pH Pen and PPM Tester TDS-EC-Temperature Meter,PH Tester with 0-14.00pH and 0.01 Accuracy,TDS EC PH Meters for Aquarium,Hydroponic,RO System $6.00 Was $15.99
Now$600
current price Now $6.00, Was $15.99$15.99
Digital pH TDS & EC Temp Meter for Water,pH Pen and PPM Tester TDS-EC-Temperature Meter,PH Tester with 0-14.00pH and 0.01 Accuracy,TDS EC PH Meters for Aquarium,Hydroponic,RO System
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 $7.62 Was $8.69
Now$762
current price Now $7.62, Was $8.69$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
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 $5.10
$510
current price $5.102025 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
TDS-3 Portable LCD Digital TDS Meter Pool Home Water Quality Purity Testing Pen,White
TDS-3 Portable LCD Digital TDS Meter Pool Home Water Quality Purity Testing Pen,White
RZDLIZJ 1Pc High Accuracy Water Quality Tester Pen, Fast Read LCD Display Digital TDS Meter, for Drinking Water Pool Aquarium Testing Use, 5.51 Inch $2.66 Was $2.99
Now$266
current price Now $2.66, Was $2.99$2.99
RZDLIZJ 1Pc High Accuracy Water Quality Tester Pen, Fast Read LCD Display Digital TDS Meter, for Drinking Water Pool Aquarium Testing Use, 5.51 Inch
Digital TDS Water Tester Meter, Portable Drinking Water Quality Purity Pen, Hydroponics Nutrient Solution Checker, Aquarium Pool Total Dissolved Solids Monitor, Professional PPM Tester $1.59 Was $1.88
Now$159
current price Now $1.59, Was $1.88$1.88
Digital TDS Water Tester Meter, Portable Drinking Water Quality Purity Pen, Hydroponics Nutrient Solution Checker, Aquarium Pool Total Dissolved Solids Monitor, Professional PPM Tester
2X Tds Meter Digital Water Tester-Water Testing Kits for Drinking Water for Home, Well, Tap Water Test (Without Battery),2 x Tds Meter,White&Black $8.69
$869
current price $8.692X Tds Meter Digital Water Tester-Water Testing Kits for Drinking Water for Home, Well, Tap Water Test (Without Battery),2 x Tds Meter,White&Black
GJX 2026 New Digital Electric Tds Meter Ppm Tester Hydroponics Water Test Pen Purity,For Water Quality Testing,Hydroponics,Aquarium Care,Pool Maintenance,Filtration Systems. $5.96
$596
current price $5.96GJX 2026 New Digital Electric Tds Meter Ppm Tester Hydroponics Water Test Pen Purity,For Water Quality Testing,Hydroponics,Aquarium Care,Pool Maintenance,Filtration Systems.
Tds Meter Digital Water Tester-Water Testing Kits for Drinking Home, Well, Tap Test (Without Battery) $6.84
$684
current price $6.84Tds Meter Digital Water Tester-Water Testing Kits for Drinking Home, Well, Tap Test (Without Battery)
3.5 out of 5 stars
2026 4-in-1 Digital Water Tester TDS Meter Backlit LCD for Drinking Water, Tap, Pool & Aquarium, Measures Conductivity & Temperature $1.99
$199
current price $1.992026 4-in-1 Digital Water Tester TDS Meter Backlit LCD for Drinking Water, Tap, Pool & Aquarium, Measures Conductivity & Temperature
4 in 1 Professional TDS Water Meter, Portable Digital Tester with Color LCD Display for Drinking Water, Aquarium and Hydroponics Was $3.21
4 in 1 Professional TDS Water Meter, Portable Digital Tester with Color LCD Display for Drinking Water, Aquarium and Hydroponics
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 $11.99 Was $13.69
Now$1199
current price Now $11.99, Was $13.69$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
5 out of 5 stars
BIMZUC Portable TDS Meter High Accuracy Digital Water Quality Tester Kit with Storage Bag for Home Drinking Water, Pool, and Aquarium (6.3 inches / 16.0 cm) $12.37
$1237
current price $12.37BIMZUC Portable TDS Meter High Accuracy Digital Water Quality Tester Kit with Storage Bag for Home Drinking Water, Pool, and Aquarium (6.3 inches / 16.0 cm)
TDS Water Tester, Drinking Water Tester,Portable Water Tester,0-9990 Ppm Meter Water Quality Tester,Digital Water Test Pen for Farming, Aquariums,Pools,Tds Meter Digital Water Tester,Blue $6.39
$639
current price $6.39TDS Water Tester, Drinking Water Tester,Portable Water Tester,0-9990 Ppm Meter Water Quality Tester,Digital Water Test Pen for Farming, Aquariums,Pools,Tds Meter Digital Water Tester,Blue
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