10 Best Tds Meter For Drinking Water of 2025

Tested and Reviewed: Top 10 Tds Meter For Drinking Water deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

HoneForest

HoneForest Water Quality Tester, Accurate and Reliable, TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

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Editor's bottom line:

“This tds meter for drinking water is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ACCURATE AND RELIABLE: To achieve high accuracy, the TDS water tester is equipped with a premium quality titanium alloy probe, and an efficient intelligent chip that not only ensures stable performance but also contributes to exceptional accuracy, making it a trustworthy water quality tester
MULTIFUNCTIONAL AND UPGRADED: Professional TDS (Total Dissolved Solids), EC (Electrical Conductivity) and Temperature Meter 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use. These enhancements make it a user-friendly tds meter digital water tester for a variety of applications
EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes
MULTIPURPOSE TDS TESTER: Test the purity of drinking water to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc
OUTSTANDING AFTER-SALES SERVICE: We are committed to providing exceptional after-sales customer service for the digital TDS water tester meter, ensuring a worry-free purchase

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Picked by 343 people today

9.5

ZeroWater

ZeroWater ZT-2 Electronic Water Tester, Blue

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Main Highlights

Easy To Use
Measure total dissolved solids in water
Know exactly when to change filters
Compare water samples
GET THE LEAD OUT: ZeroWater filters are the only pour-through filters NSF Certified to remove chromium & lead. Our pitchers, tumblers, & dispensers remove virtually all solids for the purest tasting water.

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9.5

WEAQUA

TDS Meter AI-Supported Self-Calibrating for Accurate Results - Total Dissolved Solids Meter- Water Quality Tester Ideal for Drinking Water, Hydroponics, TDS and PPM Measurement

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Main Highlights

SELF-CALIBRATION - Powered by AI technology, our TDS water tester guarantees dependable and accurate results every time.
ACCURATE TDS MEASUREMENT - Our TDS meter digital water tester provides precise digital readings for total dissolved solids (TDS) in water.
EASY TO USE - With its user-friendly design, our TDS water meter pen is suitable for beginners and professionals alike.
LARGE LCD DISPLAY - The TDS ppm meter features a large, easy-to-read LCD screen for clear and instant results.
WIDE RANGE OF APPLICATIONS - Use it to test water quality in drinking water, aquariums, hydroponics, and more.

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9.2

Save 17%

NJTY

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, Aquarium, RO/DI System White

17% OffFree Shipping

Main Highlights

Trusted Expertise: With over 20 years of experience in the measurement industry, NJTY is committed to the belief that clean and safe drinking water is a basic human right. Our turbidity and TDS digital water quality tester is designed to help achieve this goal with professional accuracy. We are dedicated to providing top-quality products and outstanding customer support
2024 Latest Debut: The NJTY water quality tester features an upgraded high-sensitivity titanium alloy probe and a high-precision chip, significantly enhancing real-time data accuracy and ensuring precise measurements across various water types. Additionally, it detects water quality 20% faster compared to other models, providing quick and reliable results
Water Tester for Drinking Water Main Functions: This device integrates TDS, EC, and temperature ( & ) measurements into one comprehensive and affordable water test kit. Additionally, to enhance visual accessibility, we have enlarged the screen by 25% and added a backlight function
User-Friendly Design: NJTY has added a hold function and a 5-minute automatic shutdown feature to the home water test kit, addressing issues like fluctuating data and forgotten shutdown. These enhancements make the device more convenient for all users, including the elderly and children
Comprehensive Guarantee: NJTY ppm meter offers lifelong after-sales service to all customers. Should you need any assistance, simply reach out to NJTY. We are committed to resolving your issues in the quickest and most efficient manner possible (please refer to the user manual for detailed after-sales information)
Transform Your Water, Transform Your Life: Enjoy the purity and health benefits of clean water with your family, thanks to the NJTY 2024 all-new 4-in-1 TDS meter digital water tester!

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Best Value

9.0

Save 27%

LIKDAY

2024 New 4 in 1 TDS Meter - TDS EC & Temperature(°C,°F) Meter,Accurate & Reliable Digital Water Testing Kits for Drinking Water, Tap, Well, Swimming Pool,Hydroponics, Aquarium, RO/DI System (Orange)

27% OffFree Shipping

Main Highlights

MULTIFUNCTIONAL (4 IN 1) & 5 UPGRADED 4 in 1 TDS Meter, Electric Conductivity Meter & Temperature (°C,°F)Meter features the most updated technology.Upgraded with big backlit LCD for easier reading, auto-lock function for easier use, factory calibrated and hold function for direct use and auto-0ff in 2 minutes to conserve battery. These enhancements make it a user-friendly tds meter digital water tester for a variety of applications
USER-FRIDNDLY DESIGN& QUALIFIED WATER TELLERLIKDAY water hardness test meter with Big Backlit LCD is far superior than most digital water quality tester display, which allows wider angles of data reading and night reading. Besides, when ppm figure over 40 drinking with caution. And ppm figure below 40 indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line.)
PPM Value RangePpm values 0-50 means ideal drinking water; ppm values 50-100 means comparatively ideal drinking water; ppm values 100-200 means marginally acceptable drinking water; ppm values 300-400 means the scale will form;ppm value 400-500 indicate the water taste is not very pleasant; If the ppm value is over 500, the water is contaminated and cannot be drunk
EASY OPERATION & ENERGY SAVINGLIKDAY ppm meter allows one button operation, just turn it on and put tds meter into water, you can get stable and accurate data in seconds. Besides, there is a reference chart at the back of this test meter for tds figure explanation
Reliable BrandLIKDAY tds meter is a professional water quality testing tool to help you get clean and safe drinking water. This water quality tester provides everyone with an accurate and reliable means of checking the quality of their water and safeguarding the quality of your drinking water
GIVE THE GIFT OF HEALTH&BETTER LIFEOur easy-to-use device lets you quickly and accurately test the purity of any water source, giving you peace of mind that you're drinking clean and healthy water. Whether you're shopping for a health-conscious loved one, a new homeowner, or someone who enjoys outdoor activities like camping and hiking, our tds water test kit makes the perfect Halloween gift & Christmas gift

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8.8

KALWNIA

KALWNIA TDS Meter Digital Water Tester, 2025 New Professional 3-in-1 TDS, Temperature and EC Meter (°C, °F) 0-9990 ppm, Ideal for Drinking Water, Aquariums, Hydroponics, RO/DI Systems & More

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Main Highlights

MULTI-FUNCTIONAL DESIGN, ALL-IN-ONE MEASUREMENT: This TDS meter integrates TDS, Electrical Conductivity (EC), and temperature measurements, catering to a wide range of water quality testing needs. Its the perfect tool for monitoring overall water quality, whether for drinking, swimming pools, or aquariums.
EASY OPERATION, CLEAR DISPLAY: With simple operation, just immerse the probe in water and get a clear TDS value within seconds. The large LCD screen ensures you can easily read results in any lighting conditions, providing quick and accurate water quality information.
WIDE APPLICATION, SUITABLE FOR MULTIPLE NEEDS: Ideal for testing various water sources, including drinking water, pool water, aquariums, and water filtration systems. This TDS meter helps maintain healthy water and ensures the optimal performance of your equipment.
HIGH PRECISION SENSOR, DURABLE AND RELIABLE: Equipped with a high-precision sensor for accurate results every time. Its sturdy and durable design ensures stable performance over time, providing you with long-lasting, reliable water quality testing.
COMPACT AND CONVENIENT, TEST ANYTIME, ANYWHERE:The compact size makes it easy to carry, perfect for travel and everyday use. Whether at home, in the office, or on the go, you can easily test water quality and ensure it remains safe and healthy.

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8.6

Save 18%

MEXYBE

2024 All-New 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

18% OffFree Shipping

Main Highlights

Reliable Brand: MEXYBE was founded with a simple yet important mission: to provide everyone with a accurate and reliable way to test their water quality. We believe that access to clean and safe drinking water is a basic human right, and our tds meter digital water tester is one professional way that can help people achieve that. We are committed to providing high-quality products and excellent customer service. Join us in our mission to make clean and safe water accessible to everyone
Accurate and Reliable Results: Tired of getting unreliable readings from other water testers? Look no further. The MEXYBE 2024 ALL-NEW water quality tester features a high-precision chip and a premium titanium alloy probe, ensuring accurate and reliable results every time. Equipped with cutting-edge technology and advanced features, it's the ultimate choice for precise water testing. So why wait? Experience dependable testing performance for you and your family today
Multifunctional (4 in 1) and 5 Upgraded: Professional TDS (Total Dissolved Solids), EC (Electrical Conductivity), Temperature (Degree Centigrade) and Temperature (Fahrenheit) Meter 4 in 1. Upgraded with big backlit LCD for easier reading, auto-lock function for easier use, factory calibrated and hold function for direct use and auto-0ff in 2 minutes to conserve battery. These enhancements make it a user-friendly tds meter digital water tester for a variety of applications
Two User-Friendly Features:1. 25% Larger Backlit LCD: The MEXYBE 2024 4-in-1 water quality tester has a screen that's 25% bigger than older 3 in 1 models the market, making it easier to read for everyone, including seniors and children. 2. Convenient TDS Chart: A colorful TDS chart is placed on the back of the tester and in the user guide, so you can quickly understand PPM values without searching onlinesaving you time with every test
Multipurpose Tds Tester: Test the purity of drinking water to ensure it's safe and healthy, monitor if Reverse Osmosis (RO)/Deionization(DI) System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), well, pool, hot tub, spa and testing tap water, bottle water etc
Give the Gift of Health: Looking for the perfect gift for your family and friends? Look no further than our water testing kit for drinking water! Our easy-to-use device lets you quickly and accurately test the purity of any water source, giving you peace of mind that you're drinking clean and healthy water. Whether you're shopping for a health-conscious loved one, a new homeowner, or someone who enjoys outdoor activities like camping and hiking, our tds water test kit makes the perfect gift
Experience our live customer support: a dedicated team of water quality experts ready to offer rapid and efficient responses round the clock through live chat and email. We are committed to taking our customers' feedback seriously, as our sole aim is to deliver products and services that hold genuine value for you
Better water, better life. Experience the difference of pure and healthy water with your FAMILY by MEXYBE 2024 all-new 4 in 1 tds meter digital water tester!

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8.3

Pmlilb

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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Main Highlights

TDS Meter: The TDS meter digital water tester is equipped with a premium titanium alloy probe that can quickly and accurately test the total dissolved solids (TDS) of water. With the water quality tester, you can quickly test the TDS value to help you understand the turbidity of your household water and maintain the health of your drinking water.
Portable Design: With just one TDS water tester, you can easily monitor multiple important parameters in the water, making it a great helper for home water quality testing. The water tester for drinking water has a large LCD display screen to help you clearly see the measurement values in any situation.
Auto Calibration: The water tester for drinking water has an automatic calibration function that can adjust according to water temperature and water quality, completing the calibration in 1-3 seconds. The drinking water tester will automatically turn off after 5 minutes of inactivity to save power.
Easy to Use and Portable: Simply turn on the water PPM tester, immerse the probe about 1 inch deep in the water, and the PPM water quality tester screen will display the TDS value in PPM in just a few seconds. The TDS tester is lightweight and portable, easily fitting in your pocket or bag for testing anywhere.
Widely Applicable: This PPM meter can be widely used for various water quality tests, including drinking water, swimming pool water, tap water, and well water. The water purity tester can not only test the purity of the water, but also help you monitor when to replace the reverse osmosis filter, and can be used to check the TDS (total dissolved solids) of swimming pools and aquariums.

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8.1

QNCIGER

TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue)

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Main Highlights

FAST AND ACCURATE READINGS-- Just turn it on, dip in about 1 inch deep of water and read display, Large digital display makes it easy to read.
AUTOMATIC CALIBRATION-- No need any adjustment screwdrivers, just finish the calibration with Auto calibration with 1-3 seconds, Measure total dissolved solids in water(tds),Know exactly when to change water filters.
PORTABLE DESIGN-- Handheld style and compact carrying case makes it conveniently fits in your pocket or bag and goes anywhere.
WIDE APPLICATION-- Ideal for home and laboratory TDS testing applications, including drinking water, swimming pools, aquariums, hydroponics, etc.
100% QUALITY WARRANTY -- We supply Quality Warranty more than 6 months. If your TDS Meter was broken or you got a defective, please don`t hesitate contact our customer service team, they will serve you enthusiastically.

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8.1

HM Digital

HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

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Main Highlights

Its Ideal for Commercial Use
Its Includes a Carrying Case with Belt Clip
Hold Function: Saves Measurements for Convenient Reading and Recording
Highly Efficient and Accurate Due to Its Advanced Microprocessor Technology
Built-in Digital Thermometer, Display: Large and Easy-to-read LCD Screen.

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Our Best Overall Choice

Best Choice

9.7

HoneForest

HoneForest Water Quality Tester, Accurate and Reliable, TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ACCURATE AND RELIABLE: To achieve high accuracy, the TDS water tester is equipped with a premium quality titanium alloy probe, and an efficient intelligent chip that not only ensures stable performance but also contributes to exceptional accuracy, making it a trustworthy water quality tester
MULTIFUNCTIONAL AND UPGRADED: Professional TDS (Total Dissolved Solids), EC (Electrical Conductivity) and Temperature Meter 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use. These enhancements make it a user-friendly tds meter digital water tester for a variety of applications
EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes
MULTIPURPOSE TDS TESTER: Test the purity of drinking water to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc
OUTSTANDING AFTER-SALES SERVICE: We are committed to providing exceptional after-sales customer service for the digital TDS water tester meter, ensuring a worry-free purchase

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