Alkaline Water Tester

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.

Top 5 Alkaline Water Tester Compared

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

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


+/- 0.01 pH +/- 0.01 pH +/- 0.01 pH +/- 0.01 pH +/- 0.01 pH

Automatic Temperature Compensation

122℉ 122℉ 122℉ 122℉ 122℉


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

Rozway Digital pH Meter Image

Rozway Digital pH Meter

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
  • Water resistant design
  • Lightweight and portable
  • Easy to use by beginners
  • Easy to read LCD screen

Difficult to keep it calibrated


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.

HM digital pH Meter Image

HM digital pH Meter

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


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 are 3 x 1.5V button cell batteries.

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

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


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.

Just Utile Digital pH Meter Image

Just Utile Digital pH Meter

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, and it offers an accuracy of ±0.01 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 1-year warranty and a hard case that allows you to take it anywhere under totally safe conditions.

Semlos Digital pH Meter Tester Image

Semlos Digital pH Meter Tester

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, while the calibration button helps you every time you have to recalibrate the device. 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.

HealthyWiser Digital pH Meter Image

HealthyWiser Digital pH Meter

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, so they can enjoy the many benefits of this water. The unit features an auto calibration button and a 0.00-14.00 pH measuring range, as well as automatic temperature compensation (ATC). Additionally, the device has an attractive design, providing easy reading, while being compact and light weighted. Furthermore, the pH digital meter comes with a convenient carrying case and it’s covered by a one year warranty.