For this article, we spent a lot of time finding the best performing TDS (Total Dissolved Solids) meters on the market. Based on the build quality, accuracy, ease of use, and features, I am presenting here a collection of the best TDS meters so that you can find the right one for your home parties.

Best TDS Meters

1

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

$14.97
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Product Highlights:

  • ✔ACCURATE AND RELIABLE: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
  • ✔MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.
  • ✔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.
  • ✔3 YEARS WARRANTY. And we offer 90 days Money Back Guarantee if not totally happy with the digital TDS water tester meter.
2

TDS Meter Digital Water Tester, DUMSAMKER Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
TDS Meter Digital Water Tester, DUMSAMKER Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More

$13.98
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Product Highlights:

  • ✅ TEST YOUR WATER: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
  • ✅EASY TO USE AND ACCURATE: Just stick it in about 1 inch of water instantly you get the reading. It’s compact and doesn’t need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with belt clip
  • ✅MEASUREMENT RANGE: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking ‘x10’ image
  • ✅AUTO-OFF AND HOLD FUNCTION: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
  • ✅100% SATISFACTION: We stand behind our products and will always focus on your satisfaction. If you don’t 100% love our products, please don’t hesitate to contact us
3

TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More

$13.98
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Product Highlights:

  • 【 TEST YOUR WATER】: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
  • 【 EASY TO USE AND ACCURATE】: Just stick it in about 1 inch of water instantly you get the reading. It’s compact and doesn’t need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with a belt clip
  • 【AUTO-OFF AND HOLD FUNCTION】: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
  • 【MEASUREMENT RANGE】: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking ‘x10’ image
  • 【CUSTOMER SATISFACTION】: We are very proud of our reputation for high-quality products & outstanding customer service, if there’s any question, please kindly feel free to contact us, we are 24 hours online
Sale4

Myron L 6PIIFCE Conductivity, Resistivity, TDS, pH, ORP/Free Chlorine, Temperature Meter
Myron L 6PIIFCE Conductivity, Resistivity, TDS, pH, ORP/Free Chlorine, Temperature Meter

$929.99
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Product Highlights:

  • LSI/Hardness Calculator
  • Auto ranging
  • Adjustable Temperature Compensation
  • Adjustable Conductivity/TDS Ratio
  • Date & Time Stamp
5

GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter
GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter

$279.00
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Product Highlights:
Sale6

VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified

$16.14
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Product Highlights:

  • Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
  • PH Meter: Full measurement range of pH 0 – 14, reliable and quick readings
  • 3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This meter can’t test sea water
  • Features: Comes with protective case; Lightweight, handheld design for portability and convenience
  • Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers
7

pH Meter, 3-in-1 TDS Temp pH Tester 0.01 High Precision Water Quality Tester, pH Measurement Range with 0-14, Digital pH Meter for Household Drinking, Pool and Aquarium
pH Meter, 3-in-1 TDS Temp pH Tester 0.01 High Precision Water Quality Tester, pH Measurement Range with 0-14, Digital pH Meter for Household Drinking, Pool and Aquarium

$35.99
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Product Highlights:

  • ✔️3-in-1 pH Meter – pH meter has a three-in-one function, which can measure PH, TDS and temperature with high precision at the same time. The included detailed manual will show you how to get the best accurate and stable reading.
  • ✔️ Accurate Testing – Using a high sensitivity glass probe, the pH tester with a measurement range of 0-14.0 can quickly and easily read accurate pH values and can perform accurate tests within ± 0.01 pH range. The one-button lock reading feature helps lock the reading even when the tester is removed from the sample!
  • ✔️Auto Calibration – Digital pH tester factory calibrated, but recalibration is needed in case of long period of inactivity or after a frequent use. pH 4.00/pH 6. 86/pH 9.18 calibration powders are included. Push the auto-calibration button, the tester will automatically identify the calibration solutions.
  • ✔️Widely Used – Ideal for home or laboratory uses. Digital pH meter can be used to test drinking water, swimming pools, PH balance in aquarium, bath tub, spa, wine, beer and any other liquids, or anywhere need to test pH value and get accurate data.
  • ✔️Mini Size – Lightweight and portable size allows you to take it around easily in your pocket and do your measuring anywhere. pH meter can help you test it whether you take it to the pool, on a trip, to the beach or camping.
8

TDS Tester, Water Quality Meter LCD Pen with 0-9990 PPM Measurement Range Portable for The aquaculture Industry Hospitals, Swimming Pools, Household tap Water Quality Testing
TDS Tester, Water Quality Meter LCD Pen with 0-9990 PPM Measurement Range Portable for The aquaculture Industry Hospitals, Swimming Pools, Household tap Water Quality Testing

$9.99
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Product Highlights:

  • ★【FAST AND ACCURATE READINGS】– Just turn it on, dip in liquid and read display, no need to work with color charts or test strips; Large digital display makes it easy to read.
  • ★【AUTOMATIC CALIBRATION】– No need any adjustment screwdrivers, just finish the calibration with Auto calibration button and included buffer powders.
  • ★【PORTABLE DESIGN】– Handheld pen 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 Pen was broken or you got a defective, please don`t hesitate contact our customer service team, they will serve you enthusiastically.
9

INKBIRD TDS Water Meter Digital Water Tester, Accurate and Reliable, EC Meter, Temperature Meter Professional 3 in 1 Accurate PPM Meter Water Quality Tester for Drinking Water Test, Aquariums, Coffee, Swimming Pool, Hydroponic Setups
INKBIRD TDS Water Meter Digital Water Tester, Accurate and Reliable, EC Meter, Temperature Meter Professional 3 in 1 Accurate PPM Meter Water Quality Tester for Drinking Water Test, Aquariums, Coffee, Swimming Pool, Hydroponic Setups

$19.99
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Product Highlights:

  • 💧INSTANT & ACCURATE READING: This 3-in-1 digital water tester has equipped with food-grade stainless steel probes to measure the quality of domestic water instantly and accurately. It can measure the TDS value ranging from 0~4995 ppm and the EC value ranging from 0~9990 μs/cm. And does not test pH.
  • 💧FINE DESIGN WITH A LARGE LCD: Besides a larger LCD screen than others, this tester has been equipped with a backlight to check data clearly in the darkness. You will love it more regarding the shell with a comfortable feel.
  • 💧AUTO OFF & LOCK FUNCTIONS: There is a Hold button on the device to lock the measured data on the screen, making it more convenient to check data. The device will automatically be off if there is no operation over 5 minutes to save power.
  • 💧SIMPLE & EASY TO USE: Turn the TDS tester on and immerse the probes into the water gently, then lock the data when the readings stay stable. You can confirm the quality of the test water by referring to the water quality rating chart.
  • 💧MULTIPURPOSE WATER TESTER: This TDS tester helps you find out the quality of the water for drinking, bathing, aquariums, pools, etc. It also helps you gain a clear insight into the nutrient levels in hydroponic setups, garden soil, and so on.
Sale10

Water TDS Meter，WoEluone Water Quality Tester, LCD Display,Accuracy Testing Water Meter for Drinking Water, Aquariums,RO System,Swinging Pool and More
Water TDS Meter，WoEluone Water Quality Tester, LCD Display,Accuracy Testing Water Meter for Drinking Water, Aquariums,RO System,Swinging Pool and More

$8.99
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Product Highlights:

  • ☑️ 【TEST YOUR WATER PURITY】: How pure is your water? With this lightweight conductivity meters pen can test the water purity, Just stick it in about 1 inch deep of water, then TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million).
  • ☑️ 【 LONG BATTERY LIFE CYCLE】:It’s used with 2 pcs 1.5V batteries(LR44), and it can be used more than 3 years, it will be power-off automatically after stop using in 5 minutes to save the battery.
  • ☑️ 【ACCURACY AND WIDE MEASUREMENT RANGE】: The premium Titanium Alloy Probe has high test accuracy in +/- 2% Readout Accuracy Testing, which can avoid the interference of magnetic field in water. Testing range from 0-9990 ppm, the resolution is in increments of 1ppm,indicated by a blinking ‘x10’ image.
  • ☑️ 【 EASY TO USE AND HANDY】: Just stick the TDS meter tester into the water of 1 inch deep, then stabilized readings will be auto-locked on LCD screen in seconds, TDS tester shuts off automatically after 3 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording.
  • ☑️ 【WHAT YOU GET】: TDS water tester, user manual, Preinstalled 2 pcs battery, leather case,our fan-favorite 3 year warranty and friendly customer service.