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Alkaline Water Tester

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29

Models Considered

48

Hours of Research

2

Experts Interviewed

479

Consumer Reviews Analyzed

A useful instrument intended for measuring pH value in acidic and alkaline water, for those who truly care for their health, the alkaline water tester is a must-have. Digital meters are most sought-after as, through their modern design and use, they provide a much more accurate and intuitive means to learn important stats related to the quality of the water you intend to hydrate with.

However, the meters are used for more than drinking water as, depending on their specific features and operating manner, they can be used for testing pool water, aquarium water, hydroponics, and more. The sole drawback with some models is that calibration isn’t the easiest process to follow through with, and this is why we recommend you opt for one of our recommendations as these products aren’t only precise and accurate, but very easy to use as well.

8. Just Utile Digital pH Meter – Best for Soil pH

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Specifications:


  • Measures: pH
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic calibration:

  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Dimensions: 6” x 1.1” x 0.5”
  • Battery type: 2 x 1.5V LR44
  • Warranty: 1 year





As you can use it with the purpose of testing water, as well as soil pH, you can see why this product stands among the best at the moment. It features an automatic calibration button that makes use a cinch and it easily tests with the press of a button the alkalinity level of water you intend to hydrate with. It even features a blue backlit display that shows large numbers for the values so that you have an easy time reading the provided data, even in low-light conditions. Moreover, the manufacturer backs it for 1 year against defects, and you receive a hard case with it so that you can safely transport and store it.

Mention-Worthy Aspects
  • High accuracy of ±0.01 pH
  • pH testing range spans from 0 to 14
  • Requires two 1.5V LR44 batteries to run
High Accuracy

With a resolution of 0.01 and a 2-decimal display, this is among the most reliable tools out there. Furthermore, it is quite speedy in providing the readings regardless of the solution you use it for. Speaking of, you can rely on it for testing water in:

  • Swimming Pool
  • Beer Brewing
  • Wine Making
  • Fish Tank

As it comes pre-calibrated from the factory, you can go ahead and use it straight from the box. To prevent further investment down the road, it even includes 6 calibration buffer powder sachets in the package, free of charge. Keep the digital meter, as well as the sachets neatly organized in the carry case provided for free.

What we like:
  • Can be used to test urine samples
  • The compact design makes it highly portable
  • Re-calibration is an easy process
  • Can even be placed in saltwater samples
What we dislike:

✖ Manual lacks instructions regarding troubleshooting

Verdict

Easy to understand, use, fast in its readings, and hard to match in terms of accuracy, it’s easy to see why it makes our list of recommendations. Furthermore, at a small price, you receive more than just the tester as the package includes all the accessories you could ever need.


7. HealthyWiser Digital pH Meter – Best for Distilled Water

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Specifications:


  • Measures: pH
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic calibration:

  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Dimensions: 7” x 2.7” x 1.4”
  • Battery type: 2 x 1.5V LR44
  • Warranty: 1 year





To keep the pH balance of water you drink or in the pool, aquarium, spa, and more, you should use this tester as it provides precise results with unparalleled speed. Its accuracy in readings even recommends it for use on distilled water samples, as well as soil solution and tap water. Another highlight definitely stands in the 1-year accompanying warranty that ensures defects are handled free of charge, as well as the included carry case in which you can store it when it’s not in use or when you intend to transport it.

Design Highlights

The automatic calibration button enhances ease of use, while the 0 to 14 pH measuring range makes it suitable for testing plentiful water samples, regardless of their nature. Moreover, the compact design makes it a portable solution to test the water, and it provides easy reading of the provided data so that even those who are not initiated with these devices have an easy time using it. Some of its particularities include:

  • High accuracy in provided readings of ±0.01 pH
  • Automatic temperature compensation spans from 32°F to 122°F
  • Powered by two 1.5V button-style batteries that provide upward to 500 hours of use
Included

As it comes at quite a cheap price, the fact that an E-book is included where you can find recipes regarding healthy dietary changes is quite a pleasant surprise. Aside from this, in the book you are provided with a detailed explanation regarding the role of pH in your day-to-day life and well-being. It comes calibrated from the factory so that you can go ahead and use it as soon as you open the box.

What we like:
  • Comprehensive instructions provided so that first-time users have an easy time with it
  • Suitable for a wide range of applications, including for testing distilled water
  • Comes pre-calibrated so that you can use it straight out of the box
  • Carry case included free of charge for convenient transport and storage
What we dislike:

✖ Customer service is not up to par

Verdict

Designed with practicality in mind, this tool is sure to be in your service for years to come. The large screen and simplistic operation make it suitable even for first-time users, while the waiting time to be provided with the expected results is so short that you are sure to simply love using it.


6. Hofun TDS Meter Water Test Meter – Most User-Friendly

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Specifications:


  • Measures: Total dissolved solids
  • Accuracy: +/- 2%
  • Range: 0-9990 ppm
  • Resolution: 10 ppm
  • Factory calibrated:

  • Automatic temperature compensation: 32℉ – 212℉
  • LCD screen:
  • Dimensions: 6.4” x 1.1” x 0.6”
  • Battery type: CR2
  • Warranty: N/A





This is a 3-in-1 product that features the latest in terms of tech, all while maintaining a user-friendly profile to suit use even by those who haven’t had prior experience with digital meters. Its 3 functions include TDS meter, electric temperature, and conductivity meter, so you actually end up saving money in the long run if you acquire it. The extensive capabilities it flaunts make it suitable for use on more than just drinking water, as you can employ it for testing water in the aquarium, pool, even for laboratory needs. Moreover, a +/- 2F accuracy in the provided readings is granted by the ATC.

Titanium Alloy Probe

You can rest assured knowing its suitability applies to a wide range of applications due to the high-quality titanium used in the manufacturing of the probe. Regardless of how contaminated the water sample is, it won’t have issues testing it to provide info on parameters of interest. Some of its design highlights include:

  • LCDBacklit display makes it easy to read the data even in low-light conditions
  • Colored Display – Beware of the PPM of the water sample without even reading the values as the red color of the display implies that the result is over 40, while a green color of the screen indicates that levels are below 40
  • Auto-lock – The result remains on the screen for approximately 2 minutes to give you enough time to write it down if you want to

To grant an energy-efficient operation, it shuts off automatically after 2 minutes, preserving battery power in the process. Best of all, it shows the results in a matter of seconds so that as little time as possible is lost.

Mention-Worthy Aspects
  • TDS – 0-9990 ppm
  • Conductivity – 0-9990µs/cm
  • Temperature – 32°F to 212°F

The battery needed to power it is included, so you can go ahead and use it as soon as you receive the package. When it’s not in use, you can safely store it in the included leather case. Beware that these accessories come at no extra charge, which adds to the budget-friendliness of the product as a whole.

What we like:
  • Locks the results on the screen for 2 minutes
  • The color-coded screen keeps you aware of stats without having to necessarily check the screen
  • 3-in-1 functionality – versatile and ample use
What we dislike:

✖ It doesn’t test pH

Verdict

Aside from the impressive speed and functionality, it’s mention-worthy that it is covered with a 1-year warranty on defects, while technical support is provided for a lifetime. So you can see why we are confident you will enjoy using this product, especially seeing how you can return it for a refund if you are dissatisfied within 30 days of acquiring it.


5. Lxuemlu LX-TDS1 – Best for TDS

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Specifications:


  • Measures: Total dissolved solids
  • Accuracy: +/- 2%
  • Range: 0-9990 ppm
  • Resolution: 10 ppm
  • Factory calibrated:

  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Dimensions: 6.3” x 1.1” x 0.6”
  • Battery type: 3V lithium metal
  • Warranty: N/A





TDS levels in water are an aspect of interest in regards to purity as, when the solids are in a high amount in the water you intend to drink, it shows that proper hydration won’t be possible with it as body cells won’t be able to absorb it properly. On the other hand, low levels of TDS show that the water is more than OK for consumption as it flaunts normal levels of salt, metals, and minerals. If you seek to learn TDS levels in your water quick and accurately, we recommend you opt for this product as it is the best when it comes to this specific water quality issue.

Speedy Results & Intuitive Use

Aside from the fact that it’s inexpensive, it is among the most reliable tools available. It comes calibrated so that you won’t waste time and go ahead and use it as soon as it reaches your home. Moreover, this pre-calibration enhances ease of use especially for those who have never used a digital meter before. Other praise-worthy design elements include:

  • Battery – The 3V battery needed to run it is included to spare you of extra costs
  • LCD – Features large numbers so that you have an easy time reading them
  • Probe – Made with titanium alloy for added durability; highly accurate
Smart Features Integrated
  • TDS Range – It has an accuracy of ± 2%; the range is from 0 to 9990
  • EC Range – The accuracy is of ± 2%; the range is from 0 to 9990
  • Temperature – Range from 32°F to 122°F

Due to the hold function it features, you can lock and record the data collected as it appears on the screen so that you have it available for later use. Moreover, it even features an automatic shut-off that activates to help extend battery life.

What we like:
  • Included leather case for easy transport and safe storage
  • Calibrated from the factory for your convenience
  • Backlit display makes it easy to read the provided values
  • Suitable for home applications, as well as laboratory use
What we dislike:

✖ It doesn’t test pH

Verdict

This pen-type tester is quite accurate and doesn’t waste much time before it provides the data that interests you. As it is suited for quite an extensive range of applications (home and laboratory use), it caters to the needs of all those who are interested in digital meters. Moreover, the titanium alloy probe adds to its desirability as it increases longevity, as well as precision.


4. Rozway Digital pH Meter – Most Accurate

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Specifications:


  • Measures: pH
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic calibration:

  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Dimensions: 6” x 1.1” x 0.5”
  • Battery type: 2 X 1.5V LR44
  • Warranty: 1 year





What best describes this meter is its accuracy in pH readings. It is able to measure pH that spans from 0 to 14 and renders precise results regardless of the water sample type it is used on. The automatic calibration button adds to its ease of use so that even those who are first-time users comprehend how it works easily. As the results are shown on the LCD backlit display, you can read the values even in poor light conditions. In regards to warranty, you can breathe easy knowing it is covered against manufacturing flaws for no less than 1 year.

Versatile and Long-Lasting

Its popularity mostly spans from the wide uses it provides, allowing you to use it for testing samples from tap water, spas, food, beer making, aquariums, and even hydroponics. The lightweight and sleek design make it a go-to for water testing on the go, while the carry case adds to its appeal by providing safe storage and easy transportation. Some of its particularities include:

  • Speed – Doesn’t take much time for the results to appear on the display
  • Electronic – Easy to use; slip it into the sample and turn it on
  • Auto Calibration – Makes it perfect even for first-time users
Mention-Worthy Aspects
  • Cap – Helps extend its lifespan as it provides protection when the instrument is not in use
  • Cloth – Made with a microfiber drying cloth
  • Battery – Needs just two 1.5V batteries to run; included at no extra cost
  • Case – Included for safe storage and added portability
Intuitive Use

Most people who have acquired it praise its ease of use the most, considering it much more intuitive to use and accurate than the classic paper tests. The two buttons featured are clearly labeled to ensure you’ll have an easy time figuring out how to run it.

What we like:
  • Designed to withstand immersion in water
  • Portable design makes it your on-the-go solution to test the water
  • Suited for use by beginners
  • The LCD screen makes it easy to read the provided data
What we dislike:

✖ Calibration isn’t maintained for long

Verdict

Easy to use even by first-timers as it only features 2 buttons, this straightforward product is made all the more appealing by its high accuracy. Moreover, for peace of mind, it is backed against defects for 1 year by the manufacturing company.


3. Semlos Digital pH Meter Tester – Editor’s Choice

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Specifications:


  • Measures: pH
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic calibration:

  • Automatic temperature compensation: 32℉ – 176℉
  • LCD screen:
  • Dimensions: 6” x 1.1” x 0.6”
  • Battery type: 2 x 1.5V lithium-ion
  • Warranty: N/A





If you find yourself frequently having to measure the pH of water samples, consider this option as it flaunts extensive compatibility in terms of use. As a matter of fact, you can use it for more than just drinking water as it is applicable to the pool, aquarium, laboratory needs, and more. Moreover, the precision with which it has been manufactured ensures that errors won’t occur often at all. It might not include a protective case as other options do, but seeing how small it is, you won’t have trouble carrying it in your pocket safely as it includes a cap that keeps it safe from damage.

Speed and Accuracy

Using it is quite easy as all you have to do is turn it on, dip it in the sample you want to test, and read the display when the results show. As opposed to classic strips, there’s no time lost on matching color charts. Some of its highlights include:

  • To recalibrate it, press the AC button and use the buffer powders included with the acquisition
  • The ATC adjusts itself automatically to changing temperatures for ease of use
  • Rely on the batteries to provide a long lifespan upward to 500 hours
Mention-Worthy Aspects
  • There’s no need to rush when it comes to writing down the results provided as the backlit display stays on for 20 seconds
  • pH measuring range spans from 0 to 14 to widen its application
  • Operating temperature spans from 32°F to 176°F
  • High accuracy of ±0.01 pH
Testing Water and Soil Samples

Aside from the aforementioned use on testing water and soil samples, some people have even used it for foods like sushi and yogurt, so you can see why it’s a popular option as it is suited for a wide range of applications. When calibration is due, there’s no need to use buffer powder as with the majority of products as all you have to do is press the button for the action to take place.

What we like:
  • Can be used to test urine and alcohol samples
  • Easy to clean
  • Straightforward re-calibration
  • Carry case included with the package
What we dislike:

✖ It is not quality checked

Verdict

Suited for extensive applications of home and laboratory nature, it is a popular selection among customers for its design and usability. Moreover, it is one of the few meters to maintain efficiency even in changing temperatures.


2. Risantec Digital PH-02 Meter – Best for the Money

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Specifications:


  • Measures: pH
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic calibration:

  • Automatic temperature compensation: 32℉ – 176℉
  • LCD screen:
  • Dimensions: 6.1” x 0.7” x 1.2”
  • Battery type: 2 x 1.5V LR44
  • Warranty: 1 year





It is suited for home and laboratory use, allowing you to apply it for testing wine, beer, tap water, swimming pool water, fish tanks, hydroponics, spas, and more. The temperature of the liquids in which you dip it doesn’t pose an issue as it features automatic temperature compensation. Basically, you can rely on it to provide precise and fast results in samples that span in temperature from 32°F to 176°F.

Design
  • The LCD display is intended to enhance ease of use even for beginners
  • Measuring range spans from 0 to 14 pH
  • Unmatchable accuracy of ±0.01 pH
Comprehensive Use

As it is quite straightforward in its operation, you won’t waste time at all figuring out how to utilize it. Just remove the protective cap, turn it on, immerse it into the sample, and read the provided stats. A lot of people have praised customer service as, whenever they had questions, they were provided with quick responses. Moreover, a full refund is provided if you return it as you are displeased with its operation. In regards to use, care, maintenance, and calibration, you are provided with all the info of interest in the accompanying user manual.

What we like:
  • Carry case included with the purchase
  • Factory calibration spares you of efforts related to first-time use
  • Beginner-friendly design
  • Can be used at home or for laboratory purposes
What we dislike:

✖ It is not quality checked

Verdict

As it is usable on samples that span in pH from 0 to 14, you can basically use it for any application you have in mind. Furthermore, on the large LCD screen, it shows data so that you have an easy time reading the values. Seeing how the display is even backlit, you won’t have trouble using it even in poor light conditions.


1. HM digital pH Meter – Best Overall

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Specifications:


  • Measures: pH
  • Accuracy: +/- 0.2 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic calibration:

  • Automatic temperature compensation: 33℉ – 176℉
  • LCD screen:
  • Dimensions: 6” x 1.3” x 0.7”
  • Battery type: 3 x 1.5V LR44
  • Warranty: 1 year





Due to its impressive features and smart design, the HM is definitely worth considering if you’re looking for an innovative and precise digital meter. The device doesn’t only measure the pH level, but also the temperature of the water, and it is suitable for various testing applications, like gardening, pool, spa, hydroponics, drinking water, and so on. To save battery power, it shuts off on its own if not used in a while. Moreover, it can hold the data it receives.

Smart Design

It features a low-battery indicator so that you know when replacement is due, automatic calibration that cuts maintenance and makes the job of using it easier, and automatic temperature compensation (ATC). Furthermore, the large LCD display is easy to read and it comes with a storage solution. Some of its particularities are:

  • Housing – It is waterproof and it also floats, aspects that add to the product’s overall longevity
  • Read – The LCD display provides you with an instant reading so you don’t have to wait around
  • Sensor – Replacement is a tool-free procedure that you can easily perform on your own
Mention-Worthy Aspects
  • Accuracy – Reliability score is high considering that it boasts an accuracy of +/- 0.02 pH
  • Cap – The manufacturer has designed the inside of the cap with a permanent solution in order to keep the sensor safe
  • Warranty – Is backed by a 1-year protection plan
  • Calibration – You can easily do this with the help of a single push button

The reason why this is a popular choice is that it is made in order to provide you with ease. It weighs 53.9 grams and it’s compact, which means that you can easily maneuver it however you wish. In addition to this, the accuracy levels are the best seen, which means that you can rely on it for a long period of time. In order to make it work, all that you need to do is provide it with 3 x 1.5V button cell batteries.

What we like:
  • Waterproof housing
  • Portable and compact
  • It can measure temperature and pH
  • One-touch operation
What we dislike:

✖ The product isn’t quality checked before being sent to the customer

Verdict

It has been engineered in order to provide you with ease of mind. As well as, it’s compact, which means that you can store it wherever you wish.


Top 8 Comparison

Photo Products Price
HM digital pH Meter Image
Best Overall
1. HM digital pH Meter
  • Accuracy: +/- 0.2 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic temperature compensation: 33℉ – 176℉
  • LCD screen:
  • Automatic calibration:
Check Price at Amazon
Risantec Digital PH-02 Meter Image
Best for the Money
2. Risantec Digital PH-02 Meter
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic temperature compensation: 32℉ – 176℉
  • LCD screen:
  • Automatic calibration:
Check Price at Amazon
Semlos Digital pH Meter Tester Image
Editor’s Choice
3. Semlos Digital pH Meter Tester
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic temperature compensation: 32℉ – 176℉
  • LCD screen:
  • Automatic calibration:
Check Price at Amazon
Rozway Digital pH Meter Image
Most Accurate
4. Rozway Digital pH Meter
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Automatic calibration:
Check Price at Amazon
Lxuemlu LX-TDS1 Image
Best for TDS
5. Lxuemlu LX-TDS1
  • Accuracy: +/- 2%
  • Range: 0-9990 ppm
  • Resolution: 10 ppm
  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Factory calibrated:
Check Price at Amazon
Hofun TDS Meter Water Test Meter Image
Most User-Friendly
6. Hofun TDS Meter Water Test Meter
  • Accuracy: +/- 2%
  • Range: 0-9990 ppm
  • Resolution: 10 ppm
  • Automatic temperature compensation: 32℉ – 212℉
  • LCD screen:
  • Factory calibrated:
Check Price at Amazon
HealthyWiser Digital pH Meter Image
Best for Distilled Water
7. HealthyWiser Digital pH Meter
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Automatic calibration:
Check Price at Amazon
Just Utile Digital pH Meter Image
Best for Soil pH
8. Just Utile Digital pH Meter
  • Accuracy: +/- 0.1 pH
  • Range: 0-14 pH
  • Resolution: 0.1 pH
  • Automatic temperature compensation: 32℉ – 122℉
  • LCD screen:
  • Automatic calibration:
Check Price at Amazon

Conclusion

We need to hydrate, that’s a fact, but for us to get the best results, the water we drink should be free of impurities, and if possible, boast a high pH level so that it super-hydrates through its alkalinity. To see whether the water you drink is ok or not, a specialty tester is the tool you need.

Best alkaline water tester on the market: HM digital pH Meter

If you want a tester that can be easily used, the HM offers automatic calibration and automatic temperature compensation, which means that you simply need to turn it on, place it in the water, and remove it when it shows the expected results. The housing is waterproof so that it stays in shape for years to come. Moreover, with the acquisition, you receive a protective cap, a storage solution, batteries, and a pH 7.0 buffer.

Editor’s choice: Semlos Digital pH Meter Tester

A portable solution to test the water you plan on drinking wherever you go, the Semlos is worth every cent. Considering that it comes at a rather cheap price, you won’t be spending all that much money either. It automatically calibrates to take the load off your hands and can test water ranging in pH from 0 to 14. Moreover, it boasts an unparalleled accuracy of +/- 0.1 pH, so reliability is one of its main trais.

Best alkaline water tester for the money: Risantec Digital PH-02 Meter

Quality doesn’t always come at an expensive price, and the Risantec tester is proof of this. Cheap yet accurate unlike any other model, it can provide trustworthy pH readings of liquids that range in temperature from 32 to 176 degrees Fahrenheit. Of course, there’s the added benefit that no extra costs are required once you get your hands on it as it comes with a carry case and batteries.

Most accurate alkaline water tester: Rozway Digital pH Meter

The +/- 0.1 pH accuracy of this pH tester makes it the go-to for anyone who appreciates precision. Best of all, it’s rather intuitive to use and the results are clearly shown in record time on its LCD display, so there’s no hassle involved with using it. Other highlights worth mentioning include the fact that it comes with a protective cap to keep it from being damaged and that it is backed by a 1-year warranty.

Logan Hewitt
Logan Hewitt
Logan was born and raised in Bakersfield, California, one of the most affected American cities by pollution, experiencing firsthand the phenomenon’s dangers. He worked in retail for a small electronics shop for 5 years, where he had his first experience with air purifiers. With his interest in technologies that are meant to improve life quality and the technical skills he gained with the passing of time, Logan is able to provide readers with in-depth analysis of life-changing devices.