Shop Using a TDS Meter

Sponsored
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$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
153
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
153
$26.24
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$26.24
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$24.14
HM Digital Pocket TDS Meter Measures 0-9990 Ppm Total Dissolved Solids (TDS)
WaterAnywhere
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HM Digital Pocket TDS Meter Measures 0-9990 Ppm Total Dissolved Solids (TDS)
WaterAnywhere
1K+
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APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
438
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
438
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
Free shipping
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
$58.79
DM-2 in And Out Digital Display TDS Tester | Inline TDS Meter | HM Digital
WaterAnywhere
4
$58.79
DM-2 in And Out Digital Display TDS Tester | Inline TDS Meter | HM Digital
WaterAnywhere
4
$15.00
TDS Meter
Clive Coffee GMC
$15.00
TDS Meter
Clive Coffee GMC
$29.95
$54.51
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
45% off
$29.95
$54.51
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
$27.45
Pocket TDS Meter With Case
PremierH2O
$27.45
Pocket TDS Meter With Case
PremierH2O
$11.99
Tds Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-Held 3-In-1 Water Purity Tester For Drinking Water Hydroponics Plants Aquariu
Walmart
43
$11.99
Tds Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-Held 3-In-1 Water Purity Tester For Drinking Water Hydroponics Plants Aquariu
Walmart
43
$39.36
Tucker USA Handheld TDS Meter
Signature Solar
$39.36
Tucker USA Handheld TDS Meter
Signature Solar
$11.68
Christmas Tds Meter Digital, Plastic Water Quality Tester, 4-In-1 Digital Tds Meter, Accurate Water Quality Tester For Drinking Water, Ro/Di System, A
Walmart
Free shipping
$11.68
Christmas Tds Meter Digital, Plastic Water Quality Tester, 4-In-1 Digital Tds Meter, Accurate Water Quality Tester For Drinking Water, Ro/Di System, A
Walmart
Free shipping
$26.83
High Accuracy TDS Meter Digital Water Tester Digital 0-14 PH Meter Tester 0-9990Ppm Tds&Ec LCD Water Purity PPM Aquarium Filter ,Easy Reading - TDS Wi
Walmart
Free shipping
$26.83
High Accuracy TDS Meter Digital Water Tester Digital 0-14 PH Meter Tester 0-9990Ppm Tds&Ec LCD Water Purity PPM Aquarium Filter ,Easy Reading - TDS Wi
Walmart
Free shipping
$14.99
Dual Function TDS Meter For Water Quality And Temp Measurements
Grow It Depot
$14.99
Dual Function TDS Meter For Water Quality And Temp Measurements
Grow It Depot
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$0.80
2025 Best Selling Pocket Size High Accuracy Digital TDS Meter High - Precision High Digital Display Factory Price CE&Rohs
Alibaba B2B
Free shipping
$0.80
2025 Best Selling Pocket Size High Accuracy Digital TDS Meter High - Precision High Digital Display Factory Price CE&Rohs
Alibaba B2B
Free shipping
$1.99
CE Certificate Digital Tds Water Meter Tds Digital Water Tester With Tds Sensor For Drinking Water Using
Alibaba B2B
Free shipping
$1.99
CE Certificate Digital Tds Water Meter Tds Digital Water Tester With Tds Sensor For Drinking Water Using
Alibaba B2B
Free shipping
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot
$34.89
$45.36
HM Digital TDS-EZ Handheld TDS Meter Tester With Large LCD Screen Testing For...
Cheekyhost USA
23% off
$34.89
$45.36
HM Digital TDS-EZ Handheld TDS Meter Tester With Large LCD Screen Testing For...
Cheekyhost USA
$49.05
4In1 Digital Ph/Tds/Ec/Temp Meter Lcd Tester Water Quality Test Pen
eBay
$49.05
4In1 Digital Ph/Tds/Ec/Temp Meter Lcd Tester Water Quality Test Pen
eBay
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
676
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
676
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$33.58
$49.92
Digital Water Quality Meter, 3 in 1 COND/TDS/Temp Meter£¬01999Ppm/019.99Ppt, Pen Type Waterproof Conductivity Meter For Home ATC Drinking Water,Seawater, Spa, Aquarium
uppstudios
32% off
$33.58
$49.92
Digital Water Quality Meter, 3 in 1 COND/TDS/Temp Meter£¬01999Ppm/019.99Ppt, Pen Type Waterproof Conductivity Meter For Home ATC Drinking Water,Seawater, Spa, Aquarium
uppstudios
$12.99
Most Accurate So Far 4-In-1 Instant Read TDS Meter, Measures TDS, EC, Temperature (C/F) , Digital Water Testing Kit For Tap, Well, Pool, Hydroponics,
LightIntheBox.com
$12.99
Most Accurate So Far 4-In-1 Instant Read TDS Meter, Measures TDS, EC, Temperature (C/F) , Digital Water Testing Kit For Tap, Well, Pool, Hydroponics,
LightIntheBox.com
$58.26
$77.48
HM Digital Waterproof EC/TDS/Temp Combo Meter
Alternativasca Online One
24% off
$58.26
$77.48
HM Digital Waterproof EC/TDS/Temp Combo Meter
Alternativasca Online One
$941.00
Hach HQ1140 Portable Dedicated Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$941.00
Hach HQ1140 Portable Dedicated Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$2,055.00
Myron L Techpro II Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$2,055.00
Myron L Techpro II Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$8.50
4 in 1 Digital Water Tester TDS EC & Temperature(°C °F) Meter 0-9990 PPM Water Quality Tester Pen
Aliexpress
Free shipping
$8.50
4 in 1 Digital Water Tester TDS EC & Temperature(°C °F) Meter 0-9990 PPM Water Quality Tester Pen
Aliexpress
Free shipping
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$59.95
HM Digital COM-100 Pro Series EC/TDS/Temp Meter
Hydrobuilder
169
$59.95
HM Digital COM-100 Pro Series EC/TDS/Temp Meter
Hydrobuilder
169
$14.51
HM Digital TDS-3, Handheld TDS Meter With Carrying Case
Selectum
11
$14.51
HM Digital TDS-3, Handheld TDS Meter With Carrying Case
Selectum
11
$1,650.00
Jenway 4520 Conductivity/TDS/Resistivity/Salinity Meter Kit With GLP, 230 VAC/EU | Cole-Parmer
Cole-Parmer
$1,650.00
Jenway 4520 Conductivity/TDS/Resistivity/Salinity Meter Kit With GLP, 230 VAC/EU | Cole-Parmer
Cole-Parmer
$85.00
Seawater Pro TDS Monitor Handheld
Seawater Pro, LLC
$85.00
Seawater Pro TDS Monitor Handheld
Seawater Pro, LLC
$151.99
HM Digital COM-300L Pro Series 4-In-1 Ph/EC/TDS/Temp Meter
Hydrobuilder
$151.99
HM Digital COM-300L Pro Series 4-In-1 Ph/EC/TDS/Temp Meter
Hydrobuilder
$12.64
HM Digital HM-ZT-2, Basic Handheld TDS Meter
Selectum
$12.64
HM Digital HM-ZT-2, Basic Handheld TDS Meter
Selectum
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Shop Using a TDS Meter

Sponsored
About our ads
$39.36
Tucker USA Handheld TDS Meter
Signature Solar
$39.36
Tucker USA Handheld TDS Meter
Signature Solar
$11.68
Christmas Tds Meter Digital, Plastic Water Quality Tester, 4-In-1 Digital Tds Meter, Accurate Water Quality Tester For Drinking Water, Ro/Di System, A
Walmart
Free shipping
$11.68
Christmas Tds Meter Digital, Plastic Water Quality Tester, 4-In-1 Digital Tds Meter, Accurate Water Quality Tester For Drinking Water, Ro/Di System, A
Walmart
$26.83
High Accuracy TDS Meter Digital Water Tester Digital 0-14 PH Meter Tester 0-9990Ppm Tds&Ec LCD Water Purity PPM Aquarium Filter ,Easy Reading - TDS Wi
Walmart
Free shipping
$26.83
High Accuracy TDS Meter Digital Water Tester Digital 0-14 PH Meter Tester 0-9990Ppm Tds&Ec LCD Water Purity PPM Aquarium Filter ,Easy Reading - TDS Wi
Walmart
$14.99
Dual Function TDS Meter For Water Quality And Temp Measurements
Grow It Depot
$14.99
Dual Function TDS Meter For Water Quality And Temp Measurements
Grow It Depot
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$0.80
2025 Best Selling Pocket Size High Accuracy Digital TDS Meter High - Precision High Digital Display Factory Price CE&Rohs
Alibaba B2B
Free shipping
$0.80
2025 Best Selling Pocket Size High Accuracy Digital TDS Meter High - Precision High Digital Display Factory Price CE&Rohs
Alibaba B2B
$1.99
CE Certificate Digital Tds Water Meter Tds Digital Water Tester With Tds Sensor For Drinking Water Using
Alibaba B2B
Free shipping
$1.99
CE Certificate Digital Tds Water Meter Tds Digital Water Tester With Tds Sensor For Drinking Water Using
Alibaba B2B
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot
$309.99
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
LED Lights Depot
$34.89
$45.36
HM Digital TDS-EZ Handheld TDS Meter Tester With Large LCD Screen Testing For...
Cheekyhost USA
23% off
$34.89
$45.36
HM Digital TDS-EZ Handheld TDS Meter Tester With Large LCD Screen Testing For...
Cheekyhost USA
$49.05
4In1 Digital Ph/Tds/Ec/Temp Meter Lcd Tester Water Quality Test Pen
eBay
$49.05
4In1 Digital Ph/Tds/Ec/Temp Meter Lcd Tester Water Quality Test Pen
eBay
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
676
$34.35
HM Digital COM-80 Hydrotester Series EC/TDS Meter
Hydrobuilder
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$33.58
$49.92
Digital Water Quality Meter, 3 in 1 COND/TDS/Temp Meter£¬01999Ppm/019.99Ppt, Pen Type Waterproof Conductivity Meter For Home ATC Drinking Water,Seawater, Spa, Aquarium
uppstudios
32% off
$33.58
$49.92
Digital Water Quality Meter, 3 in 1 COND/TDS/Temp Meter£¬01999Ppm/019.99Ppt, Pen Type Waterproof Conductivity Meter For Home ATC Drinking Water,Seawater, Spa, Aquarium
uppstudios
$12.99
Most Accurate So Far 4-In-1 Instant Read TDS Meter, Measures TDS, EC, Temperature (C/F) , Digital Water Testing Kit For Tap, Well, Pool, Hydroponics,
LightIntheBox.com
$12.99
Most Accurate So Far 4-In-1 Instant Read TDS Meter, Measures TDS, EC, Temperature (C/F) , Digital Water Testing Kit For Tap, Well, Pool, Hydroponics,
LightIntheBox.com
$58.26
$77.48
HM Digital Waterproof EC/TDS/Temp Combo Meter
Alternativasca Online One
24% off
$58.26
$77.48
HM Digital Waterproof EC/TDS/Temp Combo Meter
Alternativasca Online One
$941.00
Hach HQ1140 Portable Dedicated Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$941.00
Hach HQ1140 Portable Dedicated Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$2,055.00
Myron L Techpro II Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$2,055.00
Myron L Techpro II Conductivity/TDS Meter | Cole-Parmer
Cole-Parmer
$8.50
4 in 1 Digital Water Tester TDS EC & Temperature(°C °F) Meter 0-9990 PPM Water Quality Tester Pen
Aliexpress
Free shipping
$8.50
4 in 1 Digital Water Tester TDS EC & Temperature(°C °F) Meter 0-9990 PPM Water Quality Tester Pen
Aliexpress

Shop Using a TDS Meter

Sponsored
About our ads
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
153
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
153
$26.24
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$26.24
HM Digital TDS-3 TDS Meter | Tests 0-9990 Ppm Total Dissolved Solids In Water
WaterAnywhere
11
$24.14
HM Digital Pocket TDS Meter Measures 0-9990 Ppm Total Dissolved Solids (TDS)
WaterAnywhere
1K+
$24.14
HM Digital Pocket TDS Meter Measures 0-9990 Ppm Total Dissolved Solids (TDS)
WaterAnywhere
1K+
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
438
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
438
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
Free shipping
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
$58.79
DM-2 in And Out Digital Display TDS Tester | Inline TDS Meter | HM Digital
WaterAnywhere
4
$58.79
DM-2 in And Out Digital Display TDS Tester | Inline TDS Meter | HM Digital
WaterAnywhere
4
$15.00
TDS Meter
Clive Coffee GMC
$15.00
TDS Meter
Clive Coffee GMC
$29.95
$54.51
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
45% off
$29.95
$54.51
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
$27.45
Pocket TDS Meter With Case
PremierH2O
$27.45
Pocket TDS Meter With Case
PremierH2O
$11.99
Tds Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-Held 3-In-1 Water Purity Tester For Drinking Water Hydroponics Plants Aquariu
Walmart
43
$11.99
Tds Digital Water Tester Meter, TDS/EC/Temperature Water Tester Pen,Hand-Held 3-In-1 Water Purity Tester For Drinking Water Hydroponics Plants Aquariu
Walmart
43
$39.36
Tucker USA Handheld TDS Meter
Signature Solar
$39.36
Tucker USA Handheld TDS Meter
Signature Solar
$11.68
Christmas Tds Meter Digital, Plastic Water Quality Tester, 4-In-1 Digital Tds Meter, Accurate Water Quality Tester For Drinking Water, Ro/Di System, A
Walmart
Free shipping
$11.68
Christmas Tds Meter Digital, Plastic Water Quality Tester, 4-In-1 Digital Tds Meter, Accurate Water Quality Tester For Drinking Water, Ro/Di System, A
Walmart
Free shipping
$26.83
High Accuracy TDS Meter Digital Water Tester Digital 0-14 PH Meter Tester 0-9990Ppm Tds&Ec LCD Water Purity PPM Aquarium Filter ,Easy Reading - TDS Wi
Walmart
Free shipping
$26.83
High Accuracy TDS Meter Digital Water Tester Digital 0-14 PH Meter Tester 0-9990Ppm Tds&Ec LCD Water Purity PPM Aquarium Filter ,Easy Reading - TDS Wi
Walmart
Free shipping
$14.99
Dual Function TDS Meter For Water Quality And Temp Measurements
Grow It Depot
$14.99
Dual Function TDS Meter For Water Quality And Temp Measurements
Grow It Depot
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$0.80
2025 Best Selling Pocket Size High Accuracy Digital TDS Meter High - Precision High Digital Display Factory Price CE&Rohs
Alibaba B2B
Free shipping
$0.80
2025 Best Selling Pocket Size High Accuracy Digital TDS Meter High - Precision High Digital Display Factory Price CE&Rohs
Alibaba B2B
Free shipping
$1.99
CE Certificate Digital Tds Water Meter Tds Digital Water Tester With Tds Sensor For Drinking Water Using
Alibaba B2B
Free shipping
$1.99
CE Certificate Digital Tds Water Meter Tds Digital Water Tester With Tds Sensor For Drinking Water Using
Alibaba B2B
Free shipping