Whether you are servicing your existing water filtration system or getting a new one for your home, you would also want to test the water coming out of the filtration system.

This primarily includes testing the TDS value or the total dissolved solids which tells you about the purity of the water.

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

Sale1

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
2

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.
3

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

$18.99
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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
4

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 (LX-TDS1)
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 (LX-TDS1)

$13.95
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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
Sale5

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

$848.00
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Product Highlights:

  • LSI/Hardness Calculator
  • Auto ranging
  • Adjustable Temperature Compensation
  • Adjustable Conductivity/TDS Ratio
  • Date & Time Stamp
6

Myron L TP1 TechPro II Conductivity/TDS Meter
Myron L TP1 TechPro II Conductivity/TDS Meter

$660.00
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Product Highlights:

  • Product Type: conductivity meter
  • Meter style: portable
  • Range (conductivity): 0 µs to 20.00 MS
  • Range (TDS): 0 to 20.00 ppt
  • Range (temperature °C): 0 to 71
Sale7

Oakton AO-35634-35 Oakton PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester, Premium 50 Series
Oakton AO-35634-35 Oakton PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester, Premium 50 Series

$208.44
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Product Highlights:

  • Battery: four aaa 1.5 v
  • Buffer recognition: usa 4.01, 7.00, 10.01 and nist 4.01, 6.86, 9.18
  • Calibration: up to 3 points
  • Conductivity accuracy: 1 percent full scale
  • Display type: lcd
8

TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.
TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.

$8.99
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Product Highlights:

  • ✅Highly efficient and accurate due to its advanced microprocessor technology,The TDS meter one measurement can be completed within 5 seconds.
  • ✅TDS meter Built-in Digital Thermometer, ppm meter, Display: Large and Easy-to-read LCD Screen.
  • ✅Long battery life cycle: The TDS Meter used with 2pcs 1.5V batteries, can use more than 3 years, it will be power-off automatically after stop using in 5 minutes to save the battery.
  • ✅Application: Widely used in swimming pools, drinking fountains, aquariums, hydroponics, TDS testing, water quality testing, ppm tester, solubility testing and more.
  • ✅High accuracy: +/- 2% Readout Accuracy Testing, the titanium alloy probe has high test accuracy, which can avoid the interference of magnetic field in water.Imported High-Quality Clip, TDS meter warranty 3 years.
9

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

$32.99
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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.
Sale10

Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy Calibration, Digital TDS Tester for Hydroponic System and Indoor Plant Grow, Pack of 1
Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy Calibration, Digital TDS Tester for Hydroponic System and Indoor Plant Grow, Pack of 1

$236.40
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Product Highlights:

  • Monitor 3 parameters in water: Conductivity (TDS) level to ensure plants get a balanced feed, pH up and down, and temperature with lab quality glass probe; Gereral uses include growing tent, swimming pool, drinking water, and aquarium
  • This hydroponics meter has ATC that provides consistent reading regardless of any fluctuations in temperature; pH probe is double junction; Conductivity scales include EC, PPM, and CF
  • Combine with Bluelab meters and controllers for full indoor garden nutrients monitoring in water and soil; pH probe requires easy two point calibration; Conductivity and temperature probes come factory calibrated and are ready to use
  • Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA batteries, pH probe storage cap, and calibration solution, probe care kit is sold separately
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 5-Year Limited Warranty with proof of purchase (6-month warranty for probes)