This is the ultimate buyer’s guide to the Best Water Testers. We’ve listed our top picks, including the Most popular, Top-rated, and Bestselling Products.
After hours of scanning and analyzing the market, using too many factors, we have found the Best Water Testers of 2022. Check out our ranking below!


Top 20 Best Water Testers of 2022



Best Water Testers 2022 (Reviews)


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  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • ✔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.

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  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • ☑️【 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

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  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • 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

ZeroWater TDSmeter-20 ZT-2 Electronic Water Tester, hand held, Blue

$16.84
$15.38
 in stock
3 new from $15.38
Free shipping
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • 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.

16 in 1 Drinking Water Test Kit |High Sensitivity Test Strips detect pH, Hardness, Chlorine, Lead, Iron, Copper, Nitrate, Nitrite | Home Water Purity Test Strips for Aquarium, Pool, Well & Tap Water

$20.98  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • COMPLETE WATER TEST KIT – Everything you need to test your water; tests for 16 parameters, ensures lead free and pH safe drinking water; testing tube and dropper included in every kit for easy sample collection
  • SEPARATE PACKAGE – 100 testing strips packed in 10 sealable bags with dry agent to ensure long shelf life and reliable results. Strips in an open package need to be used within 90 days while in an unopened package can last up to two years. You don't need to rush using all 100 strips within 90 days because we bag our strips separately.
  • MULTIPLE USES - Test every water source around your home, including drinking, well and tap water, pool & spa, hot tub and aquarium
  • RELIABLE AND FAST RESULTS - CE certified for proven, reliable and quick results in 2 minutes – easy to use and great for school projects
  • ENJOY THE PEACE OF MIND – Detects low levels of impurities and foreign substances and keeps your family safe

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  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • ☑️ 【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.

VTSYIQI Water Activity Meter Food AW Tester Monitor Water Analyzer for Grain Fruits Vegetables Breads Biscuits Cakes Puffed Food 6 bit Backlight Digital Display

$595.00  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • Product Description-----The activity meter can measure bread, biscuits, cakes, puffed foods, snack foods, dehydrated foods, dried fruits, meat clams, preserved fruits, etc. It mainly reflects the amount of free water in the state of food balance, the stability of food and the possibility of microbial reproduction, and the chemical, enzyme and physical changes that can cause the change of food quality. It is often used to measure the dryness enduring ability of the microorganisms .
  • Technical Parameters-----Display: 6 bit backlight LCD digital display, 3 bit humidity aw, 3 bit temperature display Range: 0~1.0aw Resolution: ±0.01aw Accuracy: ±0.02aw Sensor: Non conductive humidity sensor Sampling Time: 5 Minutes Operating condition: Temp: 0~50°C (32~122°F) Humidity:
  • Measuring Procedure------4.1 Press the power key to switch on the power and the gauge enters the auto mode which can automatically test the water activity. 4.2 Put the samples into the sample plate, and then cover the sensor of the gauge onto the sample plate. Lay aside for about 5 minutes, when the reading gets stable, the water activity can be obtained. 4.3 After testing, press and hold the power key for about 3 seconds to turn off the gauge. Clean the sample plate for next use .
  • READING CORRECTION------When it is necessary to correct the reading value, press and hold the Power Key for about 7 seconds. Then release the key when the signal ‘Cor’, comes out on the display. There will be a decimal number with two places, which is the correction value. Then open the battery cover on the back, there are 2 small hole below the battery slot. Use a small hard bar (such as screwdriver) to slightly touch the key inside, the correction value will be increased or decreased .
  • Product Feature-----The WA-160A can be used to measure the water activity of foods. No matter when and where you need to measure water activity, WA-160A water activity meter is your unique choice. This is a real portable water activity meter, with a weight of only 100 grams, lighter than a mobile phone, and a precision of 0.02 aw, easy to measure water activity anytime and anywhere .

17 in 1 Premium Drinking Water Test Kit - 100 Strips + 2 Bacteria Tests - Home Water Quality Test - Well and Tap Water - Easy Testing for Lead, Bacteria, Hardness, Fluoride, pH, Iron, Copper and more!

$29.99
$27.95
 in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • ✓ SAVE MONEY / TEST 100 TIMES! - Testing each element separately at a lab can cost hundreds of dollars, which prevents people from testing every six months. Use this test to stay updated on your water quality without spending hundreds! 100 Strips means 100 tests!
  • ✓ SIMPLE AND ACCURATE - No need to be a professional. Get your results quickly and easily whether it’s your tap, well, filtered, or any other water source!
  • ✓ COMPLETE TEST - Our test currently offers the widest array of parameters on the market. This 17 parameter kit covers all the main contaminants you need to worry about. Includes: Lead, Bacteria (E. Coli / Water Contamination), Mercury, Fluoride, Iron, Copper, Sulfate, Zinc, Hydrogen Sulfide, Total chlorine, Nitrite, Nitrate, pH, Total Alkalinity, Hardness, Sodium Chloride, and Manganese!
  • ✓ SUPPORTS CHARITY - A portion of all sales are donated to our brand partner, Water For Good, a non profit charity tackling water poverty in the Central African Republic. Test your water knowing you're making worldwide change! #CleanWaterWorldwide
  • ✓ LIVE CUSTOMER SUPPORT - Our team of water quality experts offer very fast and effective responses through our 24/7 live chat, as well as our email! Our customers voice is very important to us, and thats why we make it so easy for them to contact us!

Water pH Meter and TDS Meter, LAWNFUL pH and 3 in 1 TDS&EC Water Tester Combo, ±0.01 pH Accuracy ±2% F.S Accuracy TDS/EC/Temperature Meter, Pen Type and Handheld, Turbidity Meters for Home and Lab

$16.99  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • PH Meter: Full measurement range of pH 0-14; High accuracy of ±0.01 pH, reliable and quick readings.
  • 3 in 1 TDS Meter: Measurement range of 0-9990ppm, 0-9990µs/cm, 0-80.0℃ (32.0-176.0℉); High accuracy of ±2% F.S. We kindly remind you not to use it to test sea water.
  • Automatic Temperature Compensation: Reliable Automatic Temperature Compensation (ATC) ensures testing results be accurate under different temperature conditions.
  • Easy to Use: Large LCD backlit display; Light-weighted and handheld. After calibration, put the sensor into the solution you want to test, and get the data immediately.
  • Wide Application: Great for household and laboratory TDS/EC & pH testing applications including drinking water, beer, swimming pools, aquariums, RO systems, or hydroponic water.

Apera Instruments, LLC-AI481 TN400 Portable Turbidity Meter, Infrared Sensor, ISO 7027 Compliant, EPA Approved Standard Solutions for Easy Calibration, Accuracy: ±2%+Stray Light

$598.60  in stock
2 new from $598.60
Free shipping
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • Infrared sensor — ISO7207 compliant cephalometric method (90°)
  • Intuitive operation system on a large TFT screen— measure and calibrate at ease
  • U. S EPA certified, non-toxic polymer standard solutions with 1-year shelf life, easy-to-use
  • Continuous measurement mode available by holding the Measure button for 3 seconds
  • CE and ISO 9001: 2015 certified

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  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • ★【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.

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  in stock
2 new from $32.99
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • ✔️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.

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

$21.99
$13.98
 in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • ☑️ 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

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

$308.00
$281.71
 in stock
9 new from $279.99
2 used from $220.35
Free shipping
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • 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)

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium (Yellow)

$11.99  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • 【How to use calibration】Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration.
  • 【Mini Size】The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.
  • 【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
  • 【Easy to use】turn on the switch,put the probe into the water and stir (make the small glass ball fully contact the liquid) and the value can be read when the value is stable.
  • 【Automatic temperature compensation】There is no need to care about the temperature of the liquid being measured. The PH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality.

THINK ALKALINE A2O Water - Made in USA, Water pH Test Liquid (WHT/100-125 Tests)

$9.75  in stock
2 new from $9.75
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • Instant results
  • Test any clear liquid in a pH range of 4.0-10.0
  • Easy to use squeeze bottle
  • Instructions included
  • All parts and ingredients made in USA

Bluelab CONTPH pH Controller with Monitoring and Dosing in Water Digital Meter for Hydroponic System and Indoor Plant Grow with Easy Calibration, 1, White

$430.82  in stock
5 new from $429.00
5 used from $367.68
Free shipping
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • 24/7 test, monitor control (doser) for your pH up and down in water to maximize your grow and ensure plants get a balanced feed (nutrients) with lab quality glass probe; General uses include growing tent and reservoir
  • This hydroponics digital tester has ATC that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters with safety lockout
  • Automated dosing with intuitive on-time/off-time for single-direction control; Combine with conductivity (TDS) pen and other meters for full garden nutrient monitoring in water and soil
  • KIT INCLUDES: Calibration solution, replaceable pump, dosing tube, pH and temperature probes, international power supply, probe care kit sold separately
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase (6-month warranty for pH probe)

Corsair Hydro X Series XT Pressure Leak Tester Tool Kit (Quick and Safe, Hand-Operated Air Pump Included, Precise Pressure Readings, 20cm Connection Hose System) Black

$49.99  in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • Quick and Safe: Test your loop for any potential leaks with a complete tool kit.
  • Hand-Operated Air Pump Included: Use air pressure to easily test your loop rather than using water.
  • Precise Pressure Readings: A pressure gauge with measurements scaling from 0 - 2.5 bar detects even the smallest leaks.
  • Convenient 20cm Connection Hose System: Attach your XT Leak Tester Kit to a spare G1/4" thread fitting to test either an individual component or your entire loop at once.

Digital PH Meter, PH Meter for Water, PH Tester 0.01 High Accuracy with 0-14 PH Test Range, PH Meter for Drinking Water, Water Meter for Pool and Aquarium

$11.99
$10.99
 in stock
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • 【Easy to use】Just immerse the probe of the pH tester in water, wait a few seconds to get the test result. Testing the pH of a liquid has never been easier!
  • 【How to calibrate】The pH tester comes with 3 packs of calibration powder. The calibration method is as follows: Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration.
  • 【Portable Size】The compact PH test allows you to carry it anywhere, swimming pool, camping, hiking, etc.
  • 【Wide application】Ph meter for water can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
  • 【Automatic temperature compensation】The pH tester has a temperature compensation function to ensure the accuracy of the test results and will not be affected by the temperature difference of the tested liquid.(32°F - 176°F).

Pool and Spa Water Test Kit 13 in 1 - Professional Pool and Spa Water Testing for Home Easy to Use, Bluetooth, App, Support

$179.98  in stock
3 new from $179.98
Free shipping
Amazon.com
as of March 1, 2022 9:06 pm

Features

  • SPECIAL EDITION: Our water tester comes in a modern and improved edition to give you accurate results. The pool lab Photometer 13 in 1 gives you a modern solution for professional water analysis in whirlpools and pools. It has 6 quick access buttons for personal measuring methods.
  • MULTI-FUNCTIONAL: With our 13 in 1 water tester, you can test up to 13 water parameters such as pH value Chlorine(free/combined/total), Alkalinity (Acid Capacity), Cyanuric Acid (Stabilizer), Active Oxygen (MPS), Bromine, Chlorine Dioxide, Ozone, Hydrogen Peroxide LR, Hydrogen Peroxide HR, Total Hardness, Calcium Hardness, Urea. You only need our water tester to test the 13 water parameters.
  • FREE SOFTWARE: Our electronic water tester comes with free software that you can use in your PC and MAC. You can also use the free app for iOS and Android. You also get a free cloud service to help you synchronize data between your smartphone and computer. The cloud service also helps you store the data and make it easily accessible when you need it.
  • POWER EFFICIENT: The electronic photometer doesn’t need a lot of battery power to work. It comes with 3 x AAA batteries that can run the water tester for a long time before replacing them. Our water tester is just what you need in your home or even in your pool business.
  • EASY TO USE: You don’t need to hire a professional to help you use our water tester. Our water tester comes with a user manual that is easy to read and understand. The user guide is written in five languages English, German, French, Spanish, and Italian. It will take you through step by step on how to use the electronic water tester.

Best Water Testers 2022 | Price Comparison

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5/5 - (608 votes)