Top Rated 9 Alkaline Water Tester19 min read

The 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 the 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 the 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.

 Lxuemlu LX-TDS1 Image

9. Lxuemlu LX-TDS1


This tester will check for total dissolved solids within 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 are a higher level of contaminants in the water.

Quick and Easy To Use

This tester pen isn’t just inexpensive, it’s also one of the most reliable pens on the market. The tester 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 has been made from titanium alloy
Smart Features Integrated

You can use this tester for wide applications such as 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 such as the hold function, you can lock and record the readings as they will appear on the screen until you decide otherwise. In addition to this, the automatic shut-off feature will extend battery life.

Pro:
  • Leather case is included
  • It comes with factory calibration
  • The display is backlit
  • Suitable for home and laboratory applications
Cons:

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. In addition to this, this is one of the most accurate pens as it has a titanium alloy probe.


Risantec Digital PH-02 Meter Image

8. Risantec Digital PH-02 Meter


This is an ideal tester for home and laboratory needs. This means that you can use it for home liquids such as wine, beer, and swimming pool. As well as, you can also 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 has been 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 will need to do is to 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 will be guaranteed a full refund. This is something not many models can boost with. The user manual has been designed in detail in order to provide a clear guide for easy calibration, care, and maintenance.

Pro:
  • Sturdy carry case is included
  • It comes with factory calibration
  • Easy to use by beginners
  • Suitable for home and laboratory applications
Cons:

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. In addition to this, the large LCD display will allow you to easily read the measurement even in low-light conditions as it’s backlit.


 Cakie Digital PH Meter Image

7. Cakie Digital PH Meter

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This model has a measuring range of 0.00 to 14.00 pH and an accuracy of 0.01 pH. In order to make it work you will need to supply it with 2x 1.5V LR44. Nonetheless, it’s easy to use this tester as it comes with automatic temperature compensation of 32 to 122-degrees Fahrenheit. All that you will need to do is to remove the protective cap and immerse the tester into the water. You will be thoroughly pleased to know that inside of the package you will receive a carrying case and calibration packets. Therefore, you don’t have to invest further into the product.

Fast and Accurate Read

You can use to test drinking water, pool, spa, or hydroponics. You will get a fast reading so you don’t have to wait around meaninglessly. Some of its particularities are:

  • You can calibrate it according to your needs with a touch of a button
  • The tester is suitable for RO system, spas, and hydroponics
  • It has been designed with sensitive electrode sensors to ensure accuracy
Generous Warranty Period

You can purchase in confidence as the tester comes with a 1-year warranty period. This means that if you’re not happy with its quality or if it has damaged, the company will give you a full refund or exchange it with a new one. As the company cares about their customers, inside of the pacakge, you will find the user manual that has been developed by experts, 3 x 1.5V LR44 button cell batteries, and 3 pH buffer powders. This means that you don’t have to invest further into the tester.

Pro:
  • Lightweight and compact
  • It has a wide pH testing range
  • Easy to use by beginners
  • Suitable for wide applications
Cons:

The user manual doesn’t have a troubleshoot section

Verdict:

Similarly, to the other models mentioned in this review, this tester will provide you an accurate read almost instantly. In addition to this, you can take this tester wherever you want to use it for residency and laboratory needs because its lightweight and reliable.


Dr.meter Pen Tester Image

6. Dr.meter Pen Tester

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This highly accurate pen will provide a quick and accurate reading so you don’t have to wait around meaninglessly. In addition to this, it has a reading of 0-14 pH . In order to make it work, all you will need are 3 1.5V LR44 button cell batteries. Don’t worry, you can find these at any supermarket. As well as, inside of the package you will receive numerous accessories at no extra price. You will receive equipment such as the carry case, screwdriver, and calibration packets.

Important Features Integrated
  • It has an accuracy of ±0.01 pH
  • Its resolution is of 0.1 pH
  • It operates on 3 x 1.5V LR44 batteries
Wide Range Applications

What you will thoroughly enjoy is the fact that it’s lightweight and compact. Thus, you can take it wherever you go or store it wherever you wish. You can use this tester for:

  • Swimming Pool
  • Laboratory
  • Juice or wine
  • Fish Tank

The Automatic Temperature Compensation means that the built-in temperature sensor will give accurate readings to the pH meter, so you can read the exact pH value of the liquid. The operating temperature can be between 32 to 122-degrees Fahrenheit. Furthermore, on average, you will get a reading within 30 seconds. In order to ensure longevity of the tester, we recommend that you clean it with distilled water.

Pro:
  • Numerous accessories included at no extra price
  • It can be used for thick liquids such as soap or body lotions
  • It provides a fast read
  • Easy to calibrate it
Cons:

Not suitable for hot liquids

Verdict:

Even though this tester is compact, you will find it easy to read the measurement. In addition to this, you will find it easy to store it away as it comes with a carry case. Also, the detailed user manual will let you know how to calibrate it without wasting time.



HealthyWiser Digital pH Meter Image

5. HealthyWiser Digital pH Meter

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Just like the previous models, the HealthyWiser Digital pH Meter is recommended 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

The unit 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 lightwight. Some of its features are:

  • The tester has a high accuracy of ±0.01 pH
  • The automatic temperature compensation (ATC) ranges between 0 to 122-degrees Fahrenheit
  • The 2 x 1.5V button batteries will ensure that the tester 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 that you’re eating. 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’s factory calibrated, you can use it straight out of the box with ease. As well as, you can use it for liquids such as distilled water, tap water, and soil solution.

Pro:
  • The instructions are easy to follow
  • Suitable for wide applications
  • It comes factory calibrated
  • It comes with a carry case
Cons:

Customer service could be improved

Verdict:

This is another high quality tester that you should consider. It has been made in order to provide you with convenience and practicality for numerous years. In addition to this, the large display screen will show you an accurate read within seconds after placing it in the liquid.


Semlos Digital pH Meter Tester Image

4. Semlos Digital pH Meter Tester

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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 the 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 safe the sensing electrode.

Fast and Accurate

You don’t have to spend a long period of time to figure out how this tester works. All that you will 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 will last for approximately 500 hours
User-friendly Design

Similarly, to the other testers mentioned in this review, this model 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 between 0 to 80-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 such as sushi or yogurt. Thus, by considering this model, you will get the most for your money. This model 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.

Pro:
  • Suitable for alcohol or urine testing
  • Easy to clean it
  • Straightforward to re-calibrate it
  • It comes with a carry case
Cons:

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 this compact tester in laboratory and home use. As well as, this is one of the few testers that will maintain efficiency in changing temperatures so you can use it for liquid and foods.


Just Utile Digital pH Meter Image

3. Just Utile Digital pH Meter

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Another great pH reading instrument is the Just Utile Digital pH Meter which is considered one of the best options on the market. The device can test both the water and the 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, the Just Utile Digital pH Meter 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.

Pro:
  • Suitable for urine testing
  • Portable and compact
  • Easy to re-calibrate it
  • Suitable to place it in saltwater
Cons:

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. In addition to this, for a small amount of money, you will receive the tester and numerous accessories that will ensure longevity of the tester.


HM digital pH Meter Image

2. HM digital pH Meter

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Due to its impressive features and smart design, the HM digital meter 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 is suitable for various testing applications, such as gardening, pool, spa, hydroponics, drinking water and so on. The unit has an auto-off function and it’s also capable of holding the received data.

Smart Design

The HM Digital pH Meter features a low-battery indicator, automatic calibration, and automatic temperature compensation (ATC). Furthermore, the large LCD display is easy to read and it also 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 will provide 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
Summary

The reason why this is a popular choice is that it has been made in order to provide you with ease. It measures 53.9 grams and it’s also 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 will need to provide it with 3 x 1.5V button cell batteries.

Pro:
  • Waterproof housing
  • Portable and compact
  • It can measure temperature and pH
  • One-touch operation
Cons:

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

Verdict:

Overall, the reason why this is a popular product is due to the fact that it has been engineered in order to provide you with ease of mind. You will not have to spend thousands of dollar as this model will do just the job. As well as, it’s compact which means that you can store it wherever you wish. It won’t bring unnecessary attention.


Rozway Digital pH Meter Image

1. Rozway Digital pH Meter

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The Rozway Digital pH Meter is a multipurpose instrument that renders accurate results every time you use it. The unit features a 0-14 measuring range, as well as an auto calibration button, which makes it very easy to operate. Therefore, if you want to test your water and make sure you drink the healthiest water, all you have to do is to 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 by a 1- year warranty.

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 this product for tap water, pools, aquariums, spas, hydroponics, food, and beer making. Moreover, the Rozway Digital meter is light weighted, has a sleek design and it also comes with a storage case. Some of its particularities are:

  • Fast – You will get a fast accurate measure as the results will simultaneously show on the LCD display
  • Electronic – You don’t have to waste your cash on paper tests, all you will 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, the device will automatically calibrate itself
Features Worthy To Remember
  • Cap – The device will resist for a long period of time as it has been made with a protective cap
  • Cloth – This has been 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 the device protected as you store it
How 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. Follow these steps for an accurate read:

  • Step 1 – Remove the protective cap
  • Step 2 – Turn on the digital reader by pressing the “On/OFF” button
  • Step 3 – Immerse the electrode test port into the liquid but make sure you do not dip it above the line
  • Step 4 – Stir the device gently for 10 seconds inside the solution and wait until it return to a stable value
  • Step 5 – Leave the pH meter device inside the liquid for 5 seconds and wait until the reading shows
Pro:
  • Water resistant design
  • Lightweight and portable
  • Easy to use by beginners
  • Easy to read LCD screen
Cons:

Difficult to keep it calibrated

Verdict:

The reason why we recommend this model is because it has an innovative design which 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.


Products Comparison

1. Rozway Digital pH Meter 2. HM Digital pH Meter 3. Just Utile Digital pH Meter 4. Semlos Digital pH Meter Tester 5. HealthyWiser Digital pH Meter
Rozway Digital pH Meter Image HM Digital pH Meter Image Just Utile Digital pH Meter Image Semlos Digital pH Meter Tester Image HealthyWiser Digital pH Meter Image
THE BEST OUR CHOICE
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Measure Range
0.00-14.00 pH 0.00-14.00 pH 0.00-14.00 pH 0.00-14.00 pH 0.00-14.00 pH
Accuracy
+/- 0.01 pH +/- 0.01 pH +/- 0.01 pH +/- 0.01 pH +/- 0.01 pH
Automatic Temperature Compensation
122℉ 122℉ 122℉ 122℉ 122℉
Resolution
0. 01 pH 0. 01 pH 0. 01 pH 0. 01 pH 0. 01 pH
Battery Type
2X 1.5V LR44 3×1.5V 357A 2X 1.5V LR44 2X 1.5V LR44 2X 1.5V LR44