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Alkaline Water Tester

29

Models Considered

48

Hours of Research

2

Experts Interviewed

479

Consumer Reviews Analyzed

T he digital meter is a useful instrument that is meant to measure the pH value of both acidic and alkaline water. The shape of a pH meter is similar to a pen, being fully waterproof. According to specialists, digital meters are the most accurate methods of reading the pH from the drinking water and not only, reason for which most digital testers available on the market also measure the pH from a pool, aquarium, hydroponics, or soil.

The results found while measuring the pH are displayed on the digital screen, making them very convenient in comparison to traditional water testers. However the drawback of some digital meters is the fact that they can be quite difficult to calibrate, so in order to help you choose the best instruments on the market, we’ll present you here the best testers available at this moment.

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





Another great pH reading instrument is the Just Utile Digital pH Meter that can test both water and soil pH. The automatic calibration button allows you to easily test the alkalinity of your drinking water just by pressing a button. Additionally, the blue backlit display with large numbers makes the instrument easy to read, even in the dark. For more convenience, it comes with a 1-year warranty and a hard case that allows you to take it anywhere under totally safe conditions.

Important Features Integrated
  • It offers an accuracy of ±0.01 pH
  • It has a testing range between 0.00 to 14.00 pH
  • It operates om 2 x 1.5V LR44
Accurate Read

This meter has a resolution of 0.01 and a two decimal display. You will get a fast and accurate read regardless of the solution that you use it in. You can place this tester in:

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

The tester is factory calibrated, which means that you can use it straight out of the box. In fact, you will receive 6 free calibration buffer powder sachets so you don’t have to invest further into it. You can keep the tester and the sachets neatly in the provided carry case that also comes for free.

What we like:
  • Suitable for urine testing
  • Portable and compact
  • Easy to re-calibrate
  • Suitable to place it in saltwater
What we dislike:

✖ The user manual doesn’t have a troubleshoot section

Verdict

This is another great digital tester that you should consider because it’s simple to understand, easy to use, and it provides a high accuracy. Furthermore, for a small amount of money, you will receive the tester and numerous accessories that ensure longevity.


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





We recommend it for a wide range of water tests, including the pH of the drinking water, pool, aquarium, spa, and so on. The device is a great choice for those who want to keep the pH balance of their water in check. Furthermore, the pH digital meter comes with a convenient carrying case and it’s covered by a 1-year warranty period.

Smart Design

It features an auto calibration button and a 0.00-14.00 pH measuring range. Additionally, the device has an attractive design, providing easy reading, while being compact and lightweight. Some of its features are:

  • The tester has a high accuracy of ±0.01 pH
  • The automatic temperature compensation (ATC) ranges from 32 to 122-degrees Fahrenheit
  • The 2 x 1.5V button batteries ensure that it will work for up to 500 hours
Comprehensive E-book Included

This model is often considered an investment due to the fact that it comes with an Alkaline Chart PDF and 21 Alkaline Recipe E-book. You can use the recipes to change the way you eat. As well as, the book has a detailed explanation to why pH levels play an important role in our day-to-day lives. As it is factory calibrated, you can use it straight out of the box with ease. Moreover, you can use it for liquids like distilled water, tap water, and soil solution.

What we like:
  • The instructions are easy to follow
  • Suitable for wide applications
  • It comes factory calibrated
  • It comes with a carry case
What we dislike:

✖ Customer service could be improved

Verdict

This is another high-quality tester that you should consider. It is made to provide you with convenience and practicality for numerous years. Furthermore, the large display screen shows you an accurate read within seconds after placing it in the liquid.


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 3-in-1 digital tester has been designed with recently upgraded measurement technology. It can act as a TDS, electric temperature, and conductivity meter. So, you will not only save money but also have a helpful kit for the rest of your life. Due to its capabilities, you will be able to use it in aquariums, swimming pools, drinking water, and laboratory needs. The +/-2F temperature accuracy is ensured by automatic temperature compensation.

Premium Titanium Alloy Probe

It is suitable for wide applications because it is made with high-quality titanium. Hence, it doesn’t matter how contaminated the water is, the quality of the digital tester will not be affected. Some of its design features are:

  • LCD – You will be able to see accurate measurements even in low-light conditions due to the backlit display
  • Colored Display – You will know the ppm of water without reading the display. When the display is red it means that the ppm figure is over 40, when the display is green it means that the figure is below 40 ppm
  • Auto-lock – The measurement will stay on the screen for 2 minutes so you have time to write down the numbers

To ensure energy-efficient operation, the digital tester will automatically shut itself off after 2 minutes. Hence, it removes the possibility for the battery to consume fast. Best of all, the results show within seconds.

Features To Remember
  • TDS – 0-9990 ppm
  • Conductivity – 0-9990µs/cm
  • Temperature – 32.0 – 212°F

You can use the tester straight out of the box as it comes with a battery. Moreover, when you no longer need it, store it in the included leather case. These accessories come at no extra price. Therefore, if you’re on a budget, this is an excellent choice.

What we like:
  • Results are locked on the screen
  • The display is color-coded
  • Suitable for wide applications
  • 3-in-1 tester
What we dislike:

✖ It doesn’t test pH

Verdict

You can purchase this tester with confidence as it is covered by a 1-year warranty period and lifetime technical support. In addition to this, it comes with 100% satisfaction guarantee, otherwise, you will receive a refund within 30-days from the day of purchase.


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





This tester will check for total dissolved solids in the water. It will test any salt, metal, or mineral accurately and precisely. As you may know, the lower the TDS level in the water is, the more efficiently your body cells will use the water. On the other hand, if the TDS levels are high, it’s an indication that your body cannot effectively decompose the water and there is a higher level of contaminants.

Quick and Easy To Use

This tester pen isn’t just inexpensive, it’s one of the most reliable on the market as well. It is factory calibrated, which means that you can use it straight out of the box. It has also been designed with:

  • Battery – The included 1*3V battery means that you don’t have to invest further into the tester
  • LCD – The easy-to-understand LCD displays large numbers that are easy to read
  • Probe – The highly accurate probe is made from titanium alloy
Smart Features Integrated

You can use it for wide applications like drinking water, aquarium, swimming pool, and hydroponics. Some of its particularities are:

  • TDS Range – It has an accuracy of ± 2% and a range between 0-9990
  • EC Range – The accuracy is of ± 2% and the range is between 0-9990
  • Temperature – The temperature ranges between 32 to 122-degrees Fahrenheit

Through smart features like the hold function, you can lock and record the readings as they appear on the screen until you decide otherwise. Furthermore, the automatic shut-off feature will extend battery life.

What we like:
  • Leather case is included
  • It comes with factory calibration
  • The display is backlit
  • Suitable for home and laboratory applications
What we dislike:

✖ It doesn’t test pH

Verdict

The reason why we recommend this tester pen is because the display is easy to read regardless of the environment you find yourself in. Moreover, this is one of the most accurate pens as it has a titanium alloy probe.


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





The Rozway is a multipurpose instrument that renders accurate results every time you use it. The pH measurement capability ranges from 0-14, as well as an auto-calibration button, which makes it very easy to operate. Therefore, if you want to test the healthfulness of your water, all you have to do is simply use this pH test kit and read the results shown on the LCD backlight display. In what concerns the warranty, the product is covered for 1 year.

Versatile and Durable

The reason why this is a popular model is due to the fact that it has a wide use. For example, you can use it for tap water, pools, aquariums, spas, hydroponics, food, and beer making. Moreover, it is lightweight, has a sleek design, and comes with a storage case. Some of its particularities are:

  • Fast – You will get a fast accurate measure as the results simultaneously show on the LCD display
  • Electronic – You don’t have to waste your cash on paper tests, all you need to do is to put the device into the liquid and simply turn it on
  • Automatic Calibration – You don’t have to be a professional to know how to use it, the device will automatically calibrate itself
Features Worthy To Remember
  • Cap – It resists for a long period of time as it is made with a protective cap
  • Cloth – It is made from a premium material which is microfiber drying cloth
  • Battery – This model has a battery operation and all it requires are 2 x 1.5V batteries that are included at no extra price
  • Case – The case will keep it protected during storage
Easy To Use

You will be thoroughly pleased to know that this is one of the easiest products to use. In fact, many customers have highlighted that this device is much easier to use than paper tests. It has two buttons which are clearly labeled so you don’t have to waste a long period of time to figure out what they are.

What we like:
  • Water resistant
  • Lightweight and portable
  • Beginner-friendly
  • Easy to read LCD screen
What we dislike:

✖ Difficult to keep it calibrated

Verdict

The reason why we recommend this model is because it has an innovative design that is very easy to use even by those who purchase this as their first product. It has 2 buttons and they’re straightforward to understand. In addition to this, it comes with 100% satisfaction guarantee for up to 1 year or you will receive every single cent back.


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





The Semlos Digital pH Meter Tester was specially designed for people who frequently have to measure the pH level of their drinking water, as well as the water supply from the pool, aquarium, and so on. The LCD display makes the entire reading process very simple, especially because there are only 2 buttons on the tester. In what concerns possible errors, you shouldn’t worry too much because the instrument features high accuracy and precision. Although it doesn’t come with a protective case, the digital meter is still easy to carry in the pocket once you replace the protective cap to keep the sensing electrode safe.

Fast and Accurate

You don’t have to spend a long period of time to figure out how this tester works. All that you need to do is to turn it on, dip it into the liquid, and read the display. There’s no need to waste time figuring out colored charts. Some of its particularities are:

  • Press the Auto Calibration button and use the included buffer powders to re-calibrate it
  • The Automatic Temperature Compensation will adjust itself to changing temperatures automatically
  • The batteries lasts for approximately 500 hours
User-friendly Design

It can be used in swimming pools, laboratory needs, and fish tanks. You will find it easy to use it, as it has been designed with:

  • The backlit display will last for 20 seconds, so you can write down the reading without rushing
  • It has a measuring range between 0.00 to 14.00 pH
  • The tester offers an accuracy of ±0.01 pH
  • Its operating temperature is from 32 to 176-degrees Fahrenheit
Water and Soil Testing

As this model is one of the best on the market, you will be able to test water and soil. Numerous customers have even tested it for foods like sushi or yogurt. It stands out from the rest because you don’t have to use buffer powder to calibrate it. Simply press the button and you will be good to go.

What we like:
  • Suitable for alcohol or urine testing
  • Easy to clean
  • Straightforward re-calibration
  • It comes with a carry case
What we dislike:

✖ The product isn’t quality checked

Verdict

If you’re looking for a tester that is suitable for wide applications, this is the right model for your needs. You can use it for laboratory and home use. Moreover, it is one of the few testers that maintain efficiency in changing temperatures so you can use it for liquid and foods.


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





This is an ideal tester for home and laboratory needs. This means that you can use it for home liquids like wine, beer, and swimming pool. As well as, you can use it for fish tanks, spas, and hydroponics. You don’t have to worry about the temperature of the liquids due to the fact that it is designed with automatic temperature compensation. It can accurately read the pH level in liquids that have a temperature range between 32 to 176-degrees Fahrenheit.

Smart and Practical Design
  • It offers a measuring range between 0 to 14 pH
  • It provides an accuracy of ±0.01 pH
  • The LCD display is easy to read by beginners
Easy To Use

You can use this tester without spending a lot of time meaninglessly due to the fact it’s straightforward to understand. All that you need to do is remove the protective cap and immerse it into the liquid. The excellent customer service means that if you’re not 100% satisfied with this tester, you are guaranteed a full refund. This is something not many models can boast with. The user manual has been designed in detail in order to provide a clear guide for easy calibration, care, and maintenance.

What we like:
  • Sturdy carry case is included
  • It comes with factory calibration
  • Easy to use by beginners
  • Suitable for home and laboratory applications
What we dislike:

✖ The product isn’t quality checked

Verdict

This tester has been designed with a wide pH value between 0.00 to 14 pH so you can use it for whatever liquid you wish. Moreover, the large LCD display allows you to easily read the measurement even in low-light conditions as it’s backlit.


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 – In order to improve longevity, the housing is waterproof and it also floats
  • Read – The LCD display provides you with an instant reading so you don’t have to wait around
  • Sensor – There are no tools required to change the sensor so you can easily do it yourself
Important Factors To Remember
  • Accuracy – It has 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 – You will be protected by 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
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
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
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
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
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
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
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

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.