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7 Best Water Ionizers (Alkaline Water Machines) Reviewed

By: David Trinh
Last Updated:
Best Alkaline Water Machines

If you’re someone who has realized that alkaline water helps you stay hydrated and healthy even more so than regular acidic tap water and are tired of buying bottles from the store, you’ve come to the right place.

A good alkaline water machine can save you time and money while offering the best quality water to improve your health and fitness goals.

Even professional athletes and high-performance actors are learning about the health benefits of alkaline water to feel the best they possibly can.

Our team of water filtration experts has researched, tested, and reviewed all the best water ionizers on the market comparing them on features such as pH range, orp range, filter capacity, price, and more to determine which ionizers actually live up to their claims.

We’ve detailed the overall best alkaline water machines available in our detailed review below so you can choose the best water ionizer for your specific water supply.

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Top Water Ionizers Compared

#1 Tyent ACE-13
  • pH Range:1.7 - 12.0
  • Plates: 13 plates
  • Dimensions: 11.8 x 5.31 x 13.78
#2 Aqua Ionizer Deluxe 9.0
  • pH Range: 3.5-11.5
  • Plates: 9 plates
  • Dimensions: 8.25 x 13 x 4.3
#3 Kangen Water Machine
  • pH Range:2.5 - 11.5
  • Plates: 8 plates
  • Dimensions:13.5 x 10.1 x 6
#4 Tyent UCE-11
  • pH Range:1.7 - 12.0
  • Plates: 11 plates
  • Dimensions:14 x 5.375 x 14
#5 Bawell Platinum
  • pH Range: 3-12
  • Plates: 7 plates
  • Dimensions:11.8 x 6.2 x 15.2
#6 Alka Viva
  • pH Range: 3-11
  • Plates: 7-9 plates
  • Dimensions:12.5 x 14.5 x 5.5
#7 Aqua Ionizer Deluxe 7.0
  • pH Range: 4-11
  • Plates: 7 plates
  • Dimensions: 8.2 x 13 x 4.3

Main Criteria We Look for in a Good Water Ionizer


Finding the best water ionizer might seem overwhelming, but it doesn’t need to be that way. 

You can narrow down your search for the best alkaline water machine by comparing the top models on a few common factors that all of the best water ionizers have in common.

pH and ORP Range

Water pH is a measure of how acidic or alkaline your water is. Most people looking to buy a water ionizer are looking to produce alkaline water at a higher pH around 7-10 for health benefits.

When selecting a water ionizer make sure the pH range is between 4 and 11 with at least a negative 800 ORP. Water pH typically ranges between 0-14 with 7 being neutral, 1 being very acidic, and 10 being very alkaline.

When using water for drinking the best ionizers should be at around a 7-10 pH range. If you’re using a water ionizer for cleaning and sterilizing it would be in a lower pH range.

One other factor to check is the ORP or oxidation-reduction potential. This term refers to how capable a water ionizer is in reducing oxidation levels in the unit. Typically, the lower the ORP the healthier the water is so that’s what you should consider.

Number of Plates 

One critical component in the best alkaline water machine is its plates. This is where the tap water converts into ionized water. Typically, the more plates used the better since more plates equal more power in creating alkaline water.

Consumers can choose from grid, mesh, flat, and slotted plate types. The grid is known for being the best quality while the slotted is the lowest quality.

Higher-end models usually contain around 11 plates while cheaper models usually have around 5. This is a factor to consider when purchasing your ionizer machine.

Filter Capacity & Efficiency

Most water ionizers will also come with a water filter to help remove contaminants, bacteria, and sediment in your water supply.

It’s important to check to see if this filter is effective in removing impurities like lead and chlorine as well as how long the filter will last before it needs replacement or its lifespan.

Some filters will last for 12 months before needing replacement while others will last for 6 months. It’s also important to change your filter when necessary to prevent sediment buildup.

Under Counter vs Countertop Model

Alkaline water ionizer machines come in 2 main styles. The first is a unit that fits under the counter for people who don’t have enough space on the counter or don’t want to showcase the machine. They also make countertop machines that fit compactly on your kitchen counter.

Make sure to choose the appropriate type of unit for your home needs.


The best water ionizers usually cost between $1,000 to $4,000 with some being more expensive and some being less expensive in the $500 and less range.

If you want the best water ionizer they are usually priced in the $1000 to $5000 range.

Best Alkaline Water Machines Reviewed

Water Ionizers

Review Order

Using our evaluation criteria from above, we’ve narrowed down our list of the best water ionizers to a few top models we think will get you the results you want at a reasonable price.

1. Tyent ACE-13 (Best Overall Water Ionizer)

Tyent ACE-13

The Tyent ACE-13 countertop water ionizer features a sleek stainless steel design and top-notch technology making it one of the best alkaline water machines available. 

Not only are users going to receive the best tasting water, but this alkaline water machine also looks great in high-end kitchen designs. 

The interior of the ionizer features 13 solid mesh hybrid platinum-coated titanium plates giving this machine powerful ionizing ability while allowing users to have greater control over the pH of their water.

One of the most notable features of the Tyent ACE-13 Ionizing machine is that it removes solid contaminants from the home’s water. These contaminants include mud, rust, sand, and sediments. 

This ionizer can purify water without using chemicals.

It also features a convenient touchscreen showing the unit’s turbo modes, and three acidic and three alkaline levels as well as a hands-free motion-detecting flow sensor.

See our Tyent Water review for more information on the company.

Main Features

pH Range: 1.7-12.0 allowing users control 

Number of Plates: 13 solid mesh titanium plates

Filter Capacity & Efficiency: 5 gallons per minute dual filter system 

Under Counter or Countertop: Countertop unit

Price: $4000


  • Powerful unit with 13 plates
  • Customizable pH range from 1-12.5
  • Lifetime warranty


  • Expensive

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#2 Aqua Ionizer Deluxe 9.0

The Aqua Ionizer Deluxe 9.0 is a cost-effective high-quality countertop alkaline water ionizer.

This machine has a pH range of 3.5-11.5 which allows the user plenty of control in setting the right pH range for their water.

It also features an ORP capacity of -860mV and contains 9 plates inside the unit for powerful water ionizing capability.

With 9 plates and a pH range of between 3.5-11.5, this gives you the power and capability to produce some of the highest quality alkaline water.

It has one filter to remove contaminants which has a capacity of around 1000 gallons.

Overall, we love this unit because of the quality for the price which is on the high value for the money side of the spectrum.

Main Features

pH range: 3.5-11.5

Number of Plates: 9 plates

Filter Capacity & Efficiency: the one filter has 1000 gallon capacity

Under Counter or Countertop: Countertop model

Price: $1600


  • Customizable pH and presets
  • pH range of 3.5-11.5
  • Easy intallation


  • Battery required 
  • Filters needs change at around 9 months

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3. Kangen Water Machine

kangen water machine

The Kangen Water Machine features eight platinum dipped titanium plates and is Enagic®’s most powerful antioxidant ionizing machine. 

The additional electrode plate improves water ionization, increases the electrolysis surface area, and increases the water’s antioxidant potential.

Not only is this alkaline water machine easy to install, but it also features on-screen cleaning instructions and easy filter changes.

One drawback of the Kangen Water Machine is that it requires a chemical additive to produce alkaline water. That additive is an electrolysis enhancer. It’s a drawback not only because it must be added but also because improper use could damage the water machine.

For more information, see our Kangen Water review.

Main Features

pH range: 2.5-11.5

Number of Plates: 8 platinum plates

Filter Capacity & Efficiency: 1-2 gallons per minute

Under Counter or Countertop: Countertop model

Price: $5650


  • Can reach a pH level of at least 10 without chemicals
  • Enagic® water machines are made in Japan as medical devices
  • The company has a long history of high-quality manufacturing devices
  • There’s a wide pH level range


  • The single-filter setup isn’t as powerful and is expensive
  • This water ionizer takes up a significant amount of counter space
  • The warranty period isn’t as long as the competition


4. Best Overall: Tyent UCE-11

Tyent UCE-11 Water Ionizer

The UCE-11 ionizer weighs in at only 18.4 pounds, this compact water ionizer is discreet and can install beneath the counter. 

This water machine offers a pH that ranges between 1.7 and 12.0. Users can choose among nine different water pH settings, including four acidic, four alkaline, and a neutral setting.

Many consider it one of the most advanced in the industry; this water ionizer is also one of the most expensive alkaline water machines. 

There’s an advanced touchscreen that’s part of the system’s filtering functions and surveillance. This ionizer features a dual filtering system that removes approximately 99.99% of contaminants in water.

You’ll also find eleven plates, which use cutting-edge technology to deliver the best alkaline water compared to any other water ionizer in the industry. 

The lifetime warranty also makes this water ionizer appealing in case anything should go wrong.

Main Features

pH range: 1.7-12

Number of Plates: 11 plates

Filter Capacity & Efficiency: 0.5 gallons per minute

Under Counter or Countertop: Under the counter model

Price: $3500


  • The device is programmable using a touchscreen
  • It features thorough filtration by removing up to 99.99% of water’s contaminants
  • This system keeps the pH level consistent
  • The filter lasts for up to 950 gallons
  • This BPA-free unit has a lifetime warranty


  • It’s expensive to replace the filters
  • Some consumers believe the customer service needs improvement
  • It’s impossible to use this unit without electricity

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5. Bawell Platinum Drinking Water Ionizer

bawell platinum

The Bawell Platinum Alkaline Water Ionizer is considered one of the best-valued machines on the market. 

In addition to producing purified drinking water, Bawell Platinum Alkaline Water Ionizer also provides acidic and alkaline water. Users can choose the exact pH and ORP using the display features on the water ionizer.

No matter if your home has well water or if it’s from a municipal water supply, this water ionizer works at just the push of a button. 

This water ionizer also boasts up to 1,320 gallons of ionized water before a filter change must occur. As an added benefit, this water ionizer installs conveniently underneath counters, or you can use it as a countertop system.

The warranty also helps put consumers’ minds at ease because, if anything goes wrong with the alkaline water ionizer, they can return or exchange the system hassle-free.

Main Features

pH range: 3-12

Number of Plates: 7 platinum plates

Filter Capacity & Efficiency: 2 filters that last for up to 950 gallons 

Under Counter or Countertop: Works either way

Price: $1400


  • Programmable using a touchscreen
  • It features thorough filtration by removing up to 99.99% of water’s contaminants
  • This system keeps the pH level consistent
  • The filter lasts for up to 950 gallons
  • This BPA-free unit has a lifetime warranty


  • It’s expensive to replace filters 
  • Unit needs electricity


6. Alka Viva Water Ionizer

The Alka Viva water ionizing machine comes in 4 main variations. These include the Vesta H2, Athena H2, Melody 2, and Delphi H2.

The main difference between variations is the pH range and the number of plates inside each unit.

The best thing about the Alka Viva ionizers is they contain a quality filter as well as an ionizer. 

The ultra water filtration stage has been NSF certified to remove 249+ contaminants as well as producing highly alkaline water.

Overall, we think the quality of the filter/ionizer combo in these models is top of the line which is why we rated them highly.

Main Features

pH range: 3-11

Number of Plates: 7-9 platinum plates

Filter Capacity & Efficiency: ultra water filtration removes 249+ contaminants but filter needs replacement every 1000 gallons

Under Counter or Countertop: Works either way

Price: $2000-$4500


  • 4 variations
  • 249+ contaminants removed
  • High number of plates
  • Self cleaning


  • Filter replacement after 1000 gallons
  • Expensive

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7. Aqua Ionizer Deluxe 7.0

The Aqua Ionizer Deluxe 7 is a lighter model than the 9.0 we featured at the top of our list.

We think the 7.0 model is a great budget option for people looking for a counter water ionizer that gives you high alkaline water with antioxidant properties at an affordable cost.

This unit features seven electroplates and it has 7 settings for drinking, cooking, and cleaning purposes.

It’s a countertop unit that provides you with control over your water setting and the ability to produce clean alkalized water at a reasonable price.

Main Features

pH range: 4-11

Number of Plates: 7 platinum plates

Filter Capacity & Efficiency: Filter lasts for 4000 liters

Under Counter or Countertop: Countertop

Price: $1400


  • Customizable
  • 4-11 pH range
  • Easy to install
  • Lower cost option


  • Not as powerful as 9.0
  • Only works on counter

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Alkaline Water Machine (Ionizer) Buyers Guide


What are Water Ionizers?

A water ionizer, which you might also hear referred to as an water alkaline machine, is a home appliance consumers can use to raise their drinking water’s pH level. 

These systems accomplish this goal through the use of electrolysis. Electrolysis separates the water streaming into the system into acidic and alkaline components. 

Each water ionizer features platinum and titanium plates where ions transfer from the plate’s exchange to the water. As a result, the water’s pH level is more alkaline. That means the best ionizer water machines alter the water’s pH levels to increase the alkalinity.

Learn more about what alkaline what is exactly here.

How Does a Water Ionizer Work?

These units feature construction from metal or plastic electronic filters, making a water ionizer machine typically the size of a toaster. 

Despite their size, the units contain everything to alkalize water. Water ionizers usually attach to the kitchen faucet and have direct access to the home’s water supply.

In doing so, all of the home’s kitchen tap water is ionized by the machine before using it for cleaning, cooking, or drinking.

Each time tap water moves through an ionizer machine; the carbon minerals convert to hydrate minerals. Carbon minerals include calcium and magnesium minerals. This process is also referred to as controlled electrolysis.

When breaking down the process, it looks like this:

  • Water enters an ionizer machine through a faucet attachment, which is typically a flexible plastic tube.
  • The first stage involves the water going through a filter to remove all harmful contaminants, including chemicals, metals, and pathogens.
  • The next stage involves the filtered water moving into a chamber that contains electromagnetic plates.
  • The last stage involves negative electrons attracting to the water’s positive ions and negatively charged ions attracting to positively charged electrons. 
  • That process produces reduced ionized water and oxidized water that flows separately from each other.

Difference Between Alkaline Water & Regular Water

The water pH is the main difference between alkaline water and regular tap water. 

Regular tap water has a pH usually around 5-7 while ionized water produced from an alkaline water ionizer machine has a pH of around 8-9.

Alkaline water usually contains more alkaline minerals than regular tap water and much more than acidic water.

The taste difference between alkaline water and regular water is also substantial. Regular water is usually less sweet compared to alkaline water which usually has a light and slightly sweet taste to it.

Another main downside with regular tap water is that it usually contains many more contaminants than water which has been filtered and ionized by a water ionizer.

Benefits of Alkaline Water

Drinking alkaline water has a few benefits that make it superior compared to regular tap water:

  • A higher pH and more beneficial minerals like calcium, magnesium, potassium, and sodium
  • A sweeter lighter taste that tastes better than often bitter tap water
  • It has been shown in some studies to enhance hydration
  • It may help improve bone health
  • It may help sooth symptoms of acid reflux due to the alkalinity that helps diminish acid

Overall, there has been some scientific evidence to suggest that fueling your body with alkaline water is beneficial for health especially in exchange for acidic drinks like coffee or alcohol.

Downsides of Alkaline Water

Even though alkaline water is safe to consume and has many possible benefits it’s also important to talk about the possible downsides of alkaline water:

  • Could possibly lower your stomachs natural acidity
  • Could possibly lead to some skin irritation
  • Could possibly lead to some intestinal issues

Overall, alkaline water is very safe and healthy and health professionals don’t question the safety of drinking ionized water but instead question some of the claims some companies make when selling water ionizers.

Features The Best Alkaline Water Ionizer Machine Has

We highlighted the main things you should look for at the beginning of our guide but we felt it was important to mention again the main features you are looking for in an alkaline water filtration system.

Included Water Filtration System

If your alkaine water machine is going to be your main water filtration system it’s important that it also includes a water filter that is capable of removing common contaminants in your water supply.

In general, tap water from a city water source is usually safe to drink but it usually comes with contaminants and disinfection byproducts that the treatment facility doesn’t remove.

Contaminants like chlorine or lead can give water an unpleasant taste, odor, and make it more toxic to drink.

The bottom line is to make sure that the alkaline water machine you buy contains a high-quality built in water filter if you aren’t going to be installing a separate filtration system.

If you have a water supply that has a high level of contaminants it may make sense to check out a reverse osmosis system or whole house water filter to supplement with your ionizer.

Powerful Ionizer Plates

The plates in a water ionizer are one of the most important components to obtain ionized or alkaline water.

This is because they are the main technology in the electrolysis process that water undergoes when moving through the machine.

In general, the quanitity and quality of the plates determines how effective the best water ionizer machines are in producing ionized alkaline water.

There are 3 main kinds of plates: solid, mesh, and a combination of the two.

Solid plates are known to be more durable but less efficient and mesh plates are known to be less durable but more effective in the ionization process.

The best is when a water ionizer uses a combination of both types of plates in a sufficient quantity so they are powerful enough. You will usually see most of the high quality water ionizers contain around 7-13 platinum plates.

Water Ionizer Installation Basics 

Installing an alkaline water machine isn’t too complicated but each model has its own differences.

If you have some DIY experience it should be a breeze and if you don’t it should still be easily manageable.

Let’s go over the basic steps that are needed when installing any water ionizer to your kitchen faucet.

  1. Connect the faucet diverter to your sink (most units come with a diverter that allows you to switch from regular tap water to your alkaline water). You will need to remove your faucet aerator and then make sure to accurately install the diverter.
  2. Next you will need to connect the small hose to the diverter on one end and to your water ionizer on the other end.
  3. Next you’ll need to connect your water ionizer to a power source so that it’s ready to start filtering your normal tap water.
  4. Lastly, the water ionizer may need to clean itself while the water is running through it until it notifies you that the water is purified with an alkaline ph.

These are the core steps of installing any alkaline water ionizer but each specific model will come with instructions on how to install it specifically. Make sure to follow the manufacturers guidelines as they will usually have videos on youtube as well.

Water Ionizer Maintenance Basics

If a water ionizer is not properly maintained it runs the risk of sediment buildup and other malfunctions which will prevent the machine from producing the molecular hydrogen alkaline water your looking for.

The good news is, most of the reputable water ionizer will have self cleaning technology included with the system so you won’t need to worry about cleaning it regularly. If you choose a lower priced model it may require periodic cleaning.

Be sure to take a look at your machines owner manual to determine what type of cleaning system it uses. There are usually manual and automatic cyclical cleaning systems.

If you have a unit with a manual cleaning system this means you will probably need to clean it every 6 months or so.

Water Ionizer FAQs

Are Water Ionizers Worth It?

If you are looking for water with high ph levels that supports your health goals then a water ionizer can be totally worth the cost. On the other hand, if you are someone who doesn’t care as much about getting alkaline water and is fine with normal water it may not be worth the cost.

Is Ionized Water The Same as Alkaline Water?

Yes, Ionized water is the same as alkaline water. You will see that the terms alkaline water and ionized water are used interchangeably because they mean the same thing. Ionization is the process that created alkaline water.

Why Are Water Ionizers so Expensive?

The reason why water ionizers are so expensive is because they contain between 5-13 platinum coated titanium plates used in the electrolysis process. Platinum and titanium are both very expensive metals. Also, water ionizers require a lot of research and development.

Is 9.5 pH Water Good?

9.5 pH water is considered alkaline water and it is the range you are looking for in purifed drinking water from an alkaline ionizer.

Can You Drink Alkaline Water Every Day?

Yes, it is safe to drink alkaline water every day.

Do Japanese Hospitals Use Kangen Water?

There are claims online that some Japanese hospitals use Kangen water be we were not able to verify this information. 

Do You Use Normal Tap Water When Connecting The Faucet to the Ionizer?

Yes, normal tap water is used when connecting the faucet to the ionizer. The water ionizer creates alkaline water out of tap water.


When you have the right alkaline water machine information in front of you, it’s possible to choose the best water ionizer for your home.  

Not only do you want it to contain a water filter, but you also want it to create alkaline water.

Producing the best water means the alkaline water ionizer machine features the right pH, ORP, water filter efficiency, and the highest quality plates. 

We love the Tyent UCE-11 ionizer for its dual filtration and programmable touchscreen. We also like the Aqua Ionizer Deluxe because it’s budget-friendly and can fit on the countertop or underneath the sink.

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David Trinh
David is an expert in all things plumbing, heating, cooling, and water treatment. He got his start in the plumbing business working on fixing all types of home improvement issues including water leaks, broken toilets, appliance installation, and more. Over time, he learned a ton about installing and choosing the correct water treatment products for homeowners.

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