Shop TDS Meter for Aquarium

Sponsored
$79.99
Hanna Dist®2 Waterproof TDS Tester (0.00-10.00 Ppt) - HI98302U
Hanna Instruments
$79.99
Hanna Dist®2 Waterproof TDS Tester (0.00-10.00 Ppt) - HI98302U
Hanna Instruments
$79.99
Hanna Dist®1 Waterproof TDS Tester (0-2000 Ppm) - HI98301U
Hanna Instruments
$79.99
Hanna Dist®1 Waterproof TDS Tester (0-2000 Ppm) - HI98301U
Hanna Instruments
$279.99
Hanna Ph/EC/TDS/Temperature Meter With CAL Check - HI9813-61
Hanna Instruments
$279.99
Hanna Ph/EC/TDS/Temperature Meter With CAL Check - HI9813-61
Hanna Instruments
$9.99
TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Drinking Water PPM Meter, Digital Water Testing Kits, No Installation Needed
Amazon.com
2K+
$9.99
TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Drinking Water PPM Meter, Digital Water Testing Kits, No Installation Needed
Amazon.com
$7.26
$7.59
Digital PH Meter & TDS Tester Combo Kit - 0.01 Resolution, 4-In-1 Water Quality Test Set With EC, GH, KH, GPMGH Ph Probe For Pool, Aquarium,
Temu US
$7.26
$7.59
Digital PH Meter & TDS Tester Combo Kit - 0.01 Resolution, 4-In-1 Water Quality Test Set With EC, GH, KH, GPMGH Ph Probe For Pool, Aquarium,
Temu US
$15.23
$17.69
1Pc 7-In-1 Ph TDS EC ORP S. G Thermometer Water Quality Monitoring Instrument, Suitable For Drinking Water And Aquarium Ph Meters
Temu US
13% off
$15.23
$17.69
1Pc 7-In-1 Ph TDS EC ORP S. G Thermometer Water Quality Monitoring Instrument, Suitable For Drinking Water And Aquarium Ph Meters
Temu US
$7.38
$10.95
2-Pack Digital TDS & EC Water Tester Meter, 0.0-14.0 PH Range, 0-9990 Ppm, LCD Display, Portable Pocket-Sized Design For Aquariums, Pools, Labs,
Temu US
32% off
$7.38
$10.95
2-Pack Digital TDS & EC Water Tester Meter, 0.0-14.0 PH Range, 0-9990 Ppm, LCD Display, Portable Pocket-Sized Design For Aquariums, Pools, Labs,
Temu US
$59.99
Aquafx Dual Inline TDS Aquarium Meter
Chewy.com
$59.99
Aquafx Dual Inline TDS Aquarium Meter
Chewy.com
$94.04
Ecotestr TDS1 Waterproof TDS Pocket Tester
Thomas Scientific
$94.04
Ecotestr TDS1 Waterproof TDS Pocket Tester
Thomas Scientific
$46.99
Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools
Amazon.com
18
Free shipping
$46.99
Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools
Amazon.com
$14.98
ZKH 4 in 1 Ph Meter, Multifunctional Ph/EC/Temp/TDS Meter Digital Water Tester, 0.01 High Precision Ph Tester Digital With ATC, TDS Ph Meter For
Amazon.com
$14.98
ZKH 4 in 1 Ph Meter, Multifunctional Ph/EC/Temp/TDS Meter Digital Water Tester, 0.01 High Precision Ph Tester Digital With ATC, TDS Ph Meter For
Amazon.com
$9.09
Tier1 TDS Water Test Meter
Discount Filter Store
$9.09
Tier1 TDS Water Test Meter
Discount Filter Store
$299.50
HM Digital SM-1 TDS Monitor
FiltersFast.com
$299.50
HM Digital SM-1 TDS Monitor
FiltersFast.com
$390.00
Benchtop Conductivity/Salinity/TDS Water Quality Meter With USB/SD Datalogging
Sper Direct
$390.00
Benchtop Conductivity/Salinity/TDS Water Quality Meter With USB/SD Datalogging
Sper Direct
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
7K+
25% off
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
$469.99
Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
Agriculture Solutions LLC
$469.99
Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
Agriculture Solutions LLC
$7.99
$16.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
52% off
$7.99
$16.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
$12.83
$19.99
2025 All-New 4 in 1 Tds Meter Digital Water Tester
Pumaloves
35% off
$12.83
$19.99
2025 All-New 4 in 1 Tds Meter Digital Water Tester
Pumaloves
$64.99
Dual Water Quality Tester, US Plug 110V High Accuracy TDS & Ph Monitor For Aquariums
Walmart
$64.99
Dual Water Quality Tester, US Plug 110V High Accuracy TDS & Ph Monitor For Aquariums
Walmart
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
20% off
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
$19.95
$24.00
Pocket Conductivity / TDS Meter
Sper Direct
16% off
$19.95
$24.00
Pocket Conductivity / TDS Meter
Sper Direct
$16.99
$32.99
New 4 in 1 Tds Meter Digital Water Tester 1 Set
lumionp
Free shipping
48% off
$16.99
$32.99
New 4 in 1 Tds Meter Digital Water Tester 1 Set
lumionp
$99.49
5 in 1 Water Quality Multi Parameter PH EC CF TDS Ppm Temperature Test Meter Bac
eBay.com
Free shipping
$99.49
5 in 1 Water Quality Multi Parameter PH EC CF TDS Ppm Temperature Test Meter Bac
eBay.com
$12.48
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
AliExpress
3
$12.48
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
AliExpress
$13.99
$16.99
Ph, Tds, EC, & Temperature Meter With LCD Display Swimming Pool & Aquarium Water Quality Monitor
Walmart
17% off
$13.99
$16.99
Ph, Tds, EC, & Temperature Meter With LCD Display Swimming Pool & Aquarium Water Quality Monitor
Walmart
$51.50
EC/TDS/Temp Hydro Meter Tester
Sonnys' Direct
30-day returns (most items)
$51.50
EC/TDS/Temp Hydro Meter Tester
Sonnys' Direct
$7.29
Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999Ppm, Ideal For Drinking Water, Swimming Pool, Aquariums, Hydroponics (G
Walmart
$7.29
Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999Ppm, Ideal For Drinking Water, Swimming Pool, Aquariums, Hydroponics (G
Walmart
$23.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
$23.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
$16.99
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
AliExpress
3
$16.99
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
AliExpress
$30.88
4In1 PH/TDS/EC/Temperature Digital Meter Pen Water Quality Analysis Tester
motorgenic.com
Free shipping
$30.88
4In1 PH/TDS/EC/Temperature Digital Meter Pen Water Quality Analysis Tester
motorgenic.com
$31.88
7 in 1 Backlight PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Meter Tester
motorgenic.com
Free shipping
$31.88
7 in 1 Backlight PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Meter Tester
motorgenic.com
$4.70
Digital LCD TDS EC Meter Pen Water Quality Tester For Aquarium Pool Automatic Calibration Water
AliExpress
$4.70
Digital LCD TDS EC Meter Pen Water Quality Tester For Aquarium Pool Automatic Calibration Water
AliExpress
$569.00
Myron L TDS Meter For 0-50, 500, 5000 Ppm
Cannon Water Technology
$569.00
Myron L TDS Meter For 0-50, 500, 5000 Ppm
Cannon Water Technology
$9.99
High-Quality TDS Meter Water Test Pen - Ideal For Drinking Water And Aquarium Testing
Digitalzakka
$9.99
High-Quality TDS Meter Water Test Pen - Ideal For Drinking Water And Aquarium Testing
Digitalzakka
$368.50
Myron L 0-10,000 Ppm With DS TDS Meter 512T10
Cannon Water Technology
$368.50
Myron L 0-10,000 Ppm With DS TDS Meter 512T10
Cannon Water Technology
$29.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
$29.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
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    Shop TDS Meter for Aquarium

    Sponsored
    $79.99
    Hanna Dist®2 Waterproof TDS Tester (0.00-10.00 Ppt) - HI98302U
    Hanna Instruments
    $79.99
    Hanna Dist®2 Waterproof TDS Tester (0.00-10.00 Ppt) - HI98302U
    Hanna Instruments
    $79.99
    Hanna Dist®1 Waterproof TDS Tester (0-2000 Ppm) - HI98301U
    Hanna Instruments
    $79.99
    Hanna Dist®1 Waterproof TDS Tester (0-2000 Ppm) - HI98301U
    Hanna Instruments
    $279.99
    Hanna Ph/EC/TDS/Temperature Meter With CAL Check - HI9813-61
    Hanna Instruments
    $279.99
    Hanna Ph/EC/TDS/Temperature Meter With CAL Check - HI9813-61
    Hanna Instruments
    $9.99
    TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Drinking Water PPM Meter, Digital Water Testing Kits, No Installation Needed
    Amazon.com
    2K+
    More than 820 people from Bing viewed this product in the last 90 days
    $9.99
    TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Drinking Water PPM Meter, Digital Water Testing Kits, No Installation Needed
    Amazon.com
    $7.26
    $7.59
    Digital PH Meter & TDS Tester Combo Kit - 0.01 Resolution, 4-In-1 Water Quality Test Set With EC, GH, KH, GPMGH Ph Probe For Pool, Aquarium,
    Temu US
    $7.26
    $7.59
    Digital PH Meter & TDS Tester Combo Kit - 0.01 Resolution, 4-In-1 Water Quality Test Set With EC, GH, KH, GPMGH Ph Probe For Pool, Aquarium,
    Temu US
    $15.23
    $17.69
    1Pc 7-In-1 Ph TDS EC ORP S. G Thermometer Water Quality Monitoring Instrument, Suitable For Drinking Water And Aquarium Ph Meters
    Temu US
    13% off
    $15.23
    $17.69
    1Pc 7-In-1 Ph TDS EC ORP S. G Thermometer Water Quality Monitoring Instrument, Suitable For Drinking Water And Aquarium Ph Meters
    Temu US
    $7.38
    $10.95
    2-Pack Digital TDS & EC Water Tester Meter, 0.0-14.0 PH Range, 0-9990 Ppm, LCD Display, Portable Pocket-Sized Design For Aquariums, Pools, Labs,
    Temu US
    32% off
    $7.38
    $10.95
    2-Pack Digital TDS & EC Water Tester Meter, 0.0-14.0 PH Range, 0-9990 Ppm, LCD Display, Portable Pocket-Sized Design For Aquariums, Pools, Labs,
    Temu US
    $59.99
    Aquafx Dual Inline TDS Aquarium Meter
    Chewy.com
    $59.99
    Aquafx Dual Inline TDS Aquarium Meter
    Chewy.com
    $94.04
    Ecotestr TDS1 Waterproof TDS Pocket Tester
    Thomas Scientific
    $94.04
    Ecotestr TDS1 Waterproof TDS Pocket Tester
    Thomas Scientific
    $46.99
    Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools
    Amazon.com
    18
    Free shipping
    $46.99
    Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools
    Amazon.com
    $14.98
    ZKH 4 in 1 Ph Meter, Multifunctional Ph/EC/Temp/TDS Meter Digital Water Tester, 0.01 High Precision Ph Tester Digital With ATC, TDS Ph Meter For
    Amazon.com
    $14.98
    ZKH 4 in 1 Ph Meter, Multifunctional Ph/EC/Temp/TDS Meter Digital Water Tester, 0.01 High Precision Ph Tester Digital With ATC, TDS Ph Meter For
    Amazon.com
    $9.09
    Tier1 TDS Water Test Meter
    Discount Filter Store
    $9.09
    Tier1 TDS Water Test Meter
    Discount Filter Store
    $299.50
    HM Digital SM-1 TDS Monitor
    FiltersFast.com
    $299.50
    HM Digital SM-1 TDS Monitor
    FiltersFast.com
    $390.00
    Benchtop Conductivity/Salinity/TDS Water Quality Meter With USB/SD Datalogging
    Sper Direct
    $390.00
    Benchtop Conductivity/Salinity/TDS Water Quality Meter With USB/SD Datalogging
    Sper Direct
    $14.95
    $19.95
    HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
    FiltersFast.com
    7K+
    25% off
    $14.95
    $19.95
    HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
    FiltersFast.com
    $469.99
    Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
    Agriculture Solutions LLC
    $469.99
    Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
    Agriculture Solutions LLC
    $7.99
    $16.99
    High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
    Banggood
    52% off
    $7.99
    $16.99
    High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
    Banggood
    $12.83
    $19.99
    2025 All-New 4 in 1 Tds Meter Digital Water Tester
    Pumaloves
    35% off
    $12.83
    $19.99
    2025 All-New 4 in 1 Tds Meter Digital Water Tester
    Pumaloves