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$38.00
HM Digital DM-2 Commercial In-Line Dual TDS Meter - 3/8" Feed X 1/4" Product
Fresh Water Systems
$38.00
HM Digital DM-2 Commercial In-Line Dual TDS Meter - 3/8" Feed X 1/4" Product
Fresh Water Systems
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$29.13
HM Digital DM-1 Dual TDS Meter - 1/4" Feed X 3/8" Product
Fresh Water Systems
2K+
$29.13
HM Digital DM-1 Dual TDS Meter - 1/4" Feed X 3/8" Product
Fresh Water Systems
2K+
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
7K+
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
7K+
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$29.95
$49.92
HM Digital QC-1 Quick Check TDS Monitor
US Water Systems
40% off
$29.95
$49.92
HM Digital QC-1 Quick Check TDS Monitor
US Water Systems
$13.00
$14.80
HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 Ppm TDS Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
1K+
12% off
$13.00
$14.80
HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 Ppm TDS Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
1K+
$17.99
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 Ppm Measurement Range, 1 Ppm Resolution, 3% Readout Accuracy,Purple
Amazon.com
7K+
$17.99
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 Ppm Measurement Range, 1 Ppm Resolution, 3% Readout Accuracy,Purple
Amazon.com
7K+
$15.32
HM Digital HM-ZT-2, Basic Handheld TDS Meter
Selectum
$15.32
HM Digital HM-ZT-2, Basic Handheld TDS Meter
Selectum
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
40% off
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$49.89
$59.96
HM Digital COM-100 Water Quality Tester
FiltersFast.com
152
16% off
$49.89
$59.96
HM Digital COM-100 Water Quality Tester
FiltersFast.com
152
$18.99
Hm Digital Tds-Ez Water Quality TDS Tester
Walmart
6
Free shipping
$18.99
Hm Digital Tds-Ez Water Quality TDS Tester
Walmart
6
$22.99
Hm Digital Tds-Ez Water Quality TDS Tester, 0-9990 Ppm Measurement Range , 1 ...
Walmart
5
Free shipping
$22.99
Hm Digital Tds-Ez Water Quality TDS Tester, 0-9990 Ppm Measurement Range , 1 ...
Walmart
5
$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
7K+
$167.71
HM Digital HM-100, Continuous Ph/EC/TDS/Temp Monitor
Selectum
$167.71
HM Digital HM-100, Continuous Ph/EC/TDS/Temp Monitor
Selectum
$26.99
Hm Digital Tds-4 Pocket-Size TDS Meter, 1 Count
Walmart
Free shipping
$26.99
Hm Digital Tds-4 Pocket-Size TDS Meter, 1 Count
Walmart
Free shipping
$29.95
$49.92
EC-3 HM Digital Conductivity Meter With Carrying Case
US Water Systems
40% off
$29.95
$49.92
EC-3 HM Digital Conductivity Meter With Carrying Case
US Water Systems
$569.00
Solinst Model 101 P2 Water Level Meter, 101 Water Level Meter p2/m2/100ft - 100515
Activated Carbon Depot
$569.00
Solinst Model 101 P2 Water Level Meter, 101 Water Level Meter p2/m2/100ft - 100515
Activated Carbon Depot
$79.86
HM Digital DM-3 Inline Dual TDS/EC Monitor Meter, Upgraded DM-2 DM-2EC. HM Digital. Pool Water Testing & Kits. 850038872007.
eBay
Free shipping
$79.86
HM Digital DM-3 Inline Dual TDS/EC Monitor Meter, Upgraded DM-2 DM-2EC. HM Digital. Pool Water Testing & Kits. 850038872007.
eBay
Free shipping
$299.01
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
Free shipping
$299.01
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
$29.99
Hm Digital Tds-3 Water Purity Ppm Testing Tester/Meter, With Carry
eBay
318
$29.99
Hm Digital Tds-3 Water Purity Ppm Testing Tester/Meter, With Carry
eBay
318
$69.46
Hm Digital Aqua Pro Handheld Water Total Dissolved Solids Tester Hm Digital Ap 1
Everymarket INC
1K+
$69.46
Hm Digital Aqua Pro Handheld Water Total Dissolved Solids Tester Hm Digital Ap 1
Everymarket INC
1K+
$32.99
HM Digital TDS EZ Handheld TDS Tester -MTR-TDS-EZ
Spectrapure, Inc
$32.99
HM Digital TDS EZ Handheld TDS Tester -MTR-TDS-EZ
Spectrapure, Inc
$17.96
HM Digital TDS-EZ PPM Meter/Tester, Water Quality Purity Test Hydroponics Filter. HM Digital. Moisture & Ph Meters.
eBay
318
Free shipping
$17.96
HM Digital TDS-EZ PPM Meter/Tester, Water Quality Purity Test Hydroponics Filter. HM Digital. Moisture & Ph Meters.
eBay
318
$45.88
Hm Digital Tds Ez Ppm Meter, Home Drinking Tap Water Quality Purity Test/Tester
Everymarket INC
$45.88
Hm Digital Tds Ez Ppm Meter, Home Drinking Tap Water Quality Purity Test/Tester
Everymarket INC
$81.90
HM Digital Waterproof Ph Meter PH-200
Grow It Depot
374
$81.90
HM Digital Waterproof Ph Meter PH-200
Grow It Depot
374
$438.00
Solinst Model 102m P10 80ft Mini Water Level Meter, P10 / N3 / 25m - 114864
Activated Carbon Depot
$438.00
Solinst Model 102m P10 80ft Mini Water Level Meter, P10 / N3 / 25m - 114864
Activated Carbon Depot
$50.76
Hm Digital Tds Ez Water Quality Tester
Everymarket INC
7K+
$50.76
Hm Digital Tds Ez Water Quality Tester
Everymarket INC
7K+
$1,745.00
Solinst Model 104 Sonic Water Level Meter (115747)
Activated Carbon Depot
$1,745.00
Solinst Model 104 Sonic Water Level Meter (115747)
Activated Carbon Depot
$36.99
HM Digital TDS-4 TM Pocket Size TDS Meter -MTR-TDS-4TM
Spectrapure, Inc
$36.99
HM Digital TDS-4 TM Pocket Size TDS Meter -MTR-TDS-4TM
Spectrapure, Inc
$125.00
Metals And Minerals Water Test Kit | Certified Lab Analysis
Tap Score
$125.00
Metals And Minerals Water Test Kit | Certified Lab Analysis
Tap Score
$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
$329.45
HM Digital SM-1 TDS Monitor
FiltersFast.com
3
$329.45
HM Digital SM-1 TDS Monitor
FiltersFast.com
3
Wisebee Digital pH Meter, Water Quality Tester Pen with High Accuracy | Backlit LCD Display | Pocket-Size | 0-14 PH Measurement Range| UL Certified | Battery Powered for Drinking, Aquarium, Pool, Lab
0:54
Wisebee Digital pH Meter, Water Quality Tester Pen with High Accu…
4 viewsOct 16, 2018
amazon
ISH R150 Basic Operation of Manual Rockwell Hardness Tester
2:49
ISH R150 Basic Operation of Manual Rockwell Hardness Tester
42.8K viewsAug 10, 2016
YouTubeINSIZE USA
Digital Water Quality TesterPortable Digital Water Quality Water Quality Tester Water Quality Monitor Cutting-Edge Features - Walmart.ca
Digital Water Quality TesterPortable Digital Water Quality Water Qualit…
2.1B viewsFeb 26, 2025
walmart.ca
Quickly and accurately detect the purity of any water source💧, making every sip of drinking water cleaner and healthier!👍👍 | Comprisei.shop
0:55
Quickly and accurately detect the purity of any water source💧, makin…
25 views4 months ago
FacebookComprisei.shop
💧Always checking the quality of water at restaurants with this water tester.😂Don't let bad water harm you. | Emphasisn Store
0:48
💧Always checking the quality of water at restaurants with this water teste…
15 views4 months ago
FacebookEmphasisn Store
💧 Test Smarter, Drink Safer! Get instant, accurate readings for TDS, EC, and temperature—because your family deserves water you can trust. 🔍✨ | Innovativhome
0:59
💧 Test Smarter, Drink Safer! Get instant, accurate readings for TDS…
122 views4 months ago
FacebookInnovativhome
💧Always checking the quality of water at restaurants with this water tester.😂 | Deliberatek.AB09
0:14
💧Always checking the quality of water at restaurants with this water teste…
7 views4 months ago
FacebookDeliberatek.AB09
Advanced Digital Water Tester, Measurement Device with High Ac…
2.1B viewsFeb 21, 2025
walmart.ca
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💧Always checking the quality of water at restaurants with this water teste…
14.3K views6 months ago
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Oubit Digital TDS Meter,TDS Meter High Accuracy TDS Meter Digital …
2.1B viewsFeb 27, 2025
walmart.ca
Digital Water Tester Pen 4 in 1 Accurate Sensitive Portable PH T…
2.1B views1 year ago
walmart.ca
2025 Digital Water Tester, Accurate Instant Read TDS Meter With Auto…
Feb 26, 2025
walmart.ca
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6 in 1 Digital Water Tester for Drinking Water, Portable Water Qu…
100 viewsApr 10, 2024
amazon
Portable Digital Water Quality Tester Conductivity PH Monitor Meter De…
2.1B viewsFeb 27, 2025
walmart.ca
Water Quality Test Pen, H2 Meter Hydrogen Tester Portable High Ac…
2.1B views11 months ago
walmart.ca
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💧Always checking the quality of water at restaurants with this water teste…
123.5K views9 months ago
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2025 Digital Pool Water Tester & Smart Water Monitor - Chlorine, O…
10 months ago
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3-In-1 TDS Meter Digital Water Tester (TDS,Temperature and EC …
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walmart.ca
Hydrogen Water Tester 4 in 1 PH, H2, ORP & Temperature Water Tes…
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walmart.ca
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[Hot Item] Smart Digital Water Meter Testing Platform Supporting Multi…
8 months ago
made-in-china.com
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4 in 1 TDS Meter Digital Water Tester for Drinking Water, All New 2025 P…
11 months ago
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AP-2: Aqua Pro Water Quality Tester (EC) - HM Digital
725 viewsNov 20, 2024
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Shop hm digital water tester

Sponsored
About our ads
$38.00
HM Digital DM-2 Commercial In-Line Dual TDS Meter - 3/8" Feed X 1/4" Product
Fresh Water Systems
$38.00
HM Digital DM-2 Commercial In-Line Dual TDS Meter - 3/8" Feed X 1/4" Product
Fresh Water Systems
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$29.13
HM Digital DM-1 Dual TDS Meter - 1/4" Feed X 3/8" Product
Fresh Water Systems
2K+
$29.13
HM Digital DM-1 Dual TDS Meter - 1/4" Feed X 3/8" Product
Fresh Water Systems
2K+
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
7K+
$15.67
HM Digital TDS-EZ, Water Quality Tester
Selectum
7K+
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$29.95
$49.92
HM Digital QC-1 Quick Check TDS Monitor
US Water Systems
40% off
$29.95
$49.92
HM Digital QC-1 Quick Check TDS Monitor
US Water Systems
$13.00
$14.80
HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 Ppm TDS Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
1K+
12% off
$13.00
$14.80
HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 Ppm TDS Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
1K+
$17.99
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 Ppm Measurement Range, 1 Ppm Resolution, 3% Readout Accuracy,Purple
Amazon.com
7K+
$17.99
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 Ppm Measurement Range, 1 Ppm Resolution, 3% Readout Accuracy,Purple
Amazon.com
7K+
$15.32
HM Digital HM-ZT-2, Basic Handheld TDS Meter
Selectum
$15.32
HM Digital HM-ZT-2, Basic Handheld TDS Meter
Selectum
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$14.99
HM Digital TDS-EZ Water Quality TDS Tester
Aquasure Corporation
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
40% off
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$49.89
$59.96
HM Digital COM-100 Water Quality Tester
FiltersFast.com
152
16% off
$49.89
$59.96
HM Digital COM-100 Water Quality Tester
FiltersFast.com
152
$18.99
Hm Digital Tds-Ez Water Quality TDS Tester
Walmart
6
Free shipping
$18.99
Hm Digital Tds-Ez Water Quality TDS Tester
Walmart
6
$22.99
Hm Digital Tds-Ez Water Quality TDS Tester, 0-9990 Ppm Measurement Range , 1 ...
Walmart
5
Free shipping
$22.99
Hm Digital Tds-Ez Water Quality TDS Tester, 0-9990 Ppm Measurement Range , 1 ...
Walmart
5
$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
7K+
$167.71
HM Digital HM-100, Continuous Ph/EC/TDS/Temp Monitor
Selectum
$167.71
HM Digital HM-100, Continuous Ph/EC/TDS/Temp Monitor
Selectum