Best Alkaline Ionizer Water Machines

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Want clearer, fresher water on tap at home?

The popularity of alkaline water seems to be on the rise. This applies to both bottled products and water from your faucet, which passes through a filter or machine (1).

Despite the many health benefits touted for the consumption of this water, to date, there is little evidence to back these claims (2). Nevertheless, if you believe that alkaline water is better for you, then you’ll want a high-quality alkaline ionizer water machine.

If nothing else, drinking more water will be good for you — and if ionizing your water improves the taste and quality, then these machines are an investment.


What is an Alkaline Ionizer Machine?

In simple terms, this machine works by passing water over electrically charged plates that ionize (or electrolyze) the particles in the water. This makes the water richer in either hydroxyl ions (OH-) giving alkaline water, or hydrogen ions (H+) making acidic water (3).

The resulting negatively charged, or alkaline water, can be used for drinking, while the acidic water can be used for cleaning. The machine automatically splits and then diverts the type of water you want to the outlet pipe. If you choose alkaline water, then the acidic water drains into your sink.

These machines need to have calcium or magnesium (cations), and salts or bicarbonates (anions) to ionize the water. These occur naturally in water, but many companies will add filters containing these to ensure the ionization process is maximized (4).

The plates that the water passes over in these machines are made from platinum or titanium, or a combination of both. They are hard, dense materials that help speed up the natural ionization of water.

Features to Look for an Alkaline Water Machine

Not all alkaline water machines are created equal. Here are some key features you should look for:

1. Undercounter, Countertop or Convertible

Some machines can be attached to your water supply under the counter, some on the countertop and some either. Depending on how much room you have available, check out the dimensions, and see where the machine will fit best for you.

2. Type of Plates

The plates inside the ionizer machine are what alkalize your water for drinking. The plates can be solid, mesh, grid or slotted, depending on the manufacturer.

When looking at the plates, check out how many there, if the manufacturer includes this info. It stands to reason: the more plates there are, the more efficient the machine.

3. Ultraviolet Light

Some machines have ultraviolet lights built-in to help keep viruses and bacteria at bay. This effectively disinfects your water (5).

4. pH Levels

The pH (power of hydrogen) level of your water indicates how alkaline or acidic it is. On the pH scale, pure water with a reading of 7 is neutral. Anything over 7 is alkaline; below 7 is acidic (6).

Check the range of pH that your chosen machine can reach; some will go as high as a pH of 12.

5. Oxidation Reduction Potential (ORP)

The oxidation reduction potential, or ORP, is a measurement you will see quoted by manufacturers of water filters. It describes the amount of electron charge in the water, and it’s measured in millivolts (mv) (7). The ORP potential for alkaline machines is expressed as a negative number (8).

Some schools of thought believe that the lower the ORP, the greater potential it has for anti-oxidation. It’s fair to say here that, like many other claims for the benefits of drinking alkaline water, this hasn’t been proven (9).

6. Filters

As well as their ionizing ability, these machines also have filters to remove impurities from faucet water. Check out the expected lifespan of the filters and how much they cost to replace.

Each manufacturer’s filter life can be different, although generally an annual change is recommended.

7. Ease of Installation

Many countertop units are quick and easy to install, while under-the-counter options take a little more time and effort.

When considering this, it’s also worth thinking about the amount of room you have for the machine, and where the nearest powerpoint is. An under-the-counter option might take longer to install but could be a better choice if you’re limited on counter space.

8. Warranty

An alkaline ionizer water machine is an investment — they’re more expensive than some other forms of alkaline water filters.

With that, some will have lifetime guarantees and others for a shorter duration. Factor this into account when choosing your machine to save on costly repairs outside of the warranty.


The Best Alkaline Ionizer Water Machines of 2020

We’ve taken the list above along with the views of industry experts and customer feedback to find our top 7 alkaline ionizer water machines.

We’ve concentrated on the actual features of the machines, rather than the health benefits they claim to promote. That way, you can make an informed choice as to which might be best for you.

1. Bawell Platinum Alkaline Water Ionizer Machine

Best Overall

bawell Platinum Alkaline Water Ionizer Machine
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Bawell brings us an alkaline water machine that is countertop only. It’s quick and easy to install with all necessary parts included and no tools required. It’s suitable for newer pull-out style faucets and more traditional ones.

It has a touch screen LCD to control the type of water you want. This can vary from weak to ultra-strong alkaline, weak to strong acidic, and neutral. The pH range of the pre-programmed settings is 3 through to 11.5, although the manufacturer advises it’s capable of 2 through to 12.

There are five power settings, which allow you to set up to 35 different presets in the machine.

The ORP ranges are between +600 and -800. The display panel will indicate the ratings coming through to your water at any one time.

Why We Love It

Medical Grade Plates

The plates inside this machine are titanium and platinum-coated. There are seven in total offering 144 inches of surface area. This means more efficient processing of your alkaline water.

Safe Plastic Components

There are plastic components within this ionizer, all of which are BPA-free and FDA-approved as food grade. BPA, or Bisphenol A, is an industrial chemical used when making some plastic and it can be harmful (10).

Another safety aspect of this machine is it self-cleans at startup and shut down. This can help prevent build-up and contamination.

Dual Filtration

Two filters are included with your Bawell machine to help remove impurities from your water. The lifespan of the filters is about 1,320 gallons or 5,000 liters. A voice prompt on the machine will automatically tell you when the filters are due to be changed.

There is also a counter that indicates the total amount of water you have used through the filters, in liters. Irrespective of whether the machine indicates it’s time or not, the manufacturer advises the filters are changed annually.

Keep In Mind

Small Screen

Some find the LCD hard to read on this machine. Luckily, there is a voice activation that advises you what setting you have placed it on. So, even if you can’t find your specs, you should be OK.

Additional Specs

Size11.8 x 15.2 x 6.2 inches.
ORP Range+600 to -800
PH Range3 to 11.5
WarrantyLifetime
Flow Rate2 gallons per minute

2. Real Spirit Aqua Ionizer Deluxe

Best Budget

Aqua Ionizer Deluxe | Water Ionizer | 7 Water Settings | Home Alkaline Water Filtration System | Produces pH 5.0-11.0 Alkaline Water | Up to -600mV ORP | 4000 Liters Per Filter
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This alkaline water ionizer from Real Spirit will suit you if you’re working to a budget.

It gives you seven options of purified water to choose from. These include alkaline drinking water, brewing tea and coffee, and acidic water for beauty use and cleaning.

There are four alkaline settings up to a maximum pH of 11, a neutral level with a pH of 7 and two acidic options down to a pH of 5. The ORP range for this machine is +600 to -600.

It’s a countertop design that should take about 10 minutes to install. The unit is also self-cleaning after every use.

Why We Love It

Active Carbon Filter

In addition to ionizing your water, the machine utilizes an active charcoal carbon filter. This can help remove organic compounds from water, which cause bad flavors or odors (11). Your filtered water should have fewer impurities and, hopefully, a better taste.

The life expectancy of the filter before it needs replacing is 1,585 gallons, which is about 6,000 liters.

Easy to Change Settings

Located on the front of the machine are seven push buttons. These allow you to choose the type of water you want. After selecting, turn on your faucet and wait for your water to be delivered.

Electroplate Technology

The manufacturer doesn’t tell us how many plates are in this machine, but they do tell us they’re platinum-coated titanium. This should mean they’re durable and efficient in ionizing your water to make it alkaline (12).

Keep In Mind

Might Not Fit All Faucets

Although these machines are generally made to fit all types of faucets, that seems not to be the case for this one. Some find they either had to change their faucet or return the product.

It does seem that the customer service from this company is good — so if you’re unsure whether it will fit, you can reach out to them.

Additional Specs

Size8 x 13 x 5 inches.
ORP Range+600 to -600
PH Range5 to 11
Warranty5 years
Flow rate1.05 gallons per minute

3. Real Spirit Aqua Ionizer Deluxe 7.0

Self Cleaning

Aqua Ionizer Deluxe 7.0 | Water Ionizer | Alkaline Water Filtration System | Produces pH 4.5-11.0 Alkaline Water | Up to -800mV ORP | 4000 Liters Per Filter | 7 Water Settings
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Part of ensuring your water, once filtered and ionized, is the best it can be is to keep your machine clean. This one reverses the polarity of the plates after every use to help keep the machine clean. It also goes through self-cleaning after 10.5 gallons of water has passed through.

The filters in the machine are active carbon and help remove impurities. These include trihalomethane, benzene, radon, pesticides, and other harmful pollutants found in tap water.

The expected life of the filter is one year or 1,585 gallons/6,000 liters. The countdown in the LCD will indicate the amount of water the machine has ionized. This means you can keep a check on it and change the filters when required.

Why We Love It

Seven Water Options

The machine has seven different presets, making it easy to select the alkalinity or acidity of the water you want. The pH ranges are from 7 to 11 and the ORP up to -800.

Selecting the presets is done with a push of a button on the front of the machine. These include settings for purified water, daily drinking water, cooking, and household cleaning. No matter your choice, they’re easy to view and select.

Seven Electrolysis Plates

There are seven platinum-coated titanium plates in this machine, arranged in six layers to process your water and add alkalinity or acidity. They cover an area of 114 inches.

Bright LCD

The LCD on this unit is backlit and bright, making the display easier to read.

It also displays seven different colors, depending on the type of water you select. This is a great feature for those that prefer a visual style. A voice warning also tells you when you have chosen acidic water and when your filter needs changing.

Three-Stage Cleaning

There is a three-stage cleaning cycle in this machine. It self-cleans at start-up and shut-down. It will automatically switch the polarity of the plates to clean for 10 seconds after 15 minutes of continuous use.

A cleaning agent is provided with the machine for manual cleaning after a year of use. These three things combined help keep your machine free from contaminants and your water fresh.

Keep In Mind

Can Be Tricky to Fit

Installation of the unit has proved a challenge for some; there appear to be lots of small parts and not a lot of directions. Although the company advises installation should take about 10 minutes, it might take an hour or more.

Additional Specs

Size5.2 x 4.3 x 13 inches
ORP RangeUp to -840
PH Range4 to 11
Warranty5 years
Flow Rate1.05 gallons per minute

4. Life Water Ionizer Next Generation M11

Most Stylish

Life Water Ionizer Next Generation M11 Counter-top
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Life Water brings us its Next Generation M11 alkaline ionizer water machine, which can be placed on your countertop. Its slimline look makes it a great option if counter space is at a premium in your home.

The sleek black and graphite design, with an LCD on the front and buttons along the top, won’t look out of place in your kitchen. The display shows you the level you have chosen and whether this is alkaline or acidic. It’s also large enough to be seen easily.

The silver-colored water hose matches the design of the unit, which has a modern, stylish appearance.

Why We Love It

Good Grid Style Plates

The machine has 11 electroplates to provide you with plenty of ionized water. More plates mean more power to ionize. They’re a grid design to give the maximum surface area possible as water passes through the machine. This means that you might get higher pH water quicker when the machine is in full flow.

Customized Filters

Before despatch, the company advises it’ll configure your machine for optimum efficiency depending on your water. It checks water quality reports for the area where you live to filter the toxins that might be in your faucet water. The company claims its filters will remove copper, mercury, lead, chromium, and other contaminants.

The filters have also been located at the top of the unit, giving you easy access to change them. No tools are needed to complete this process. As well as filters, this machine has a UV light that can help remove bacteria and viruses from water as well.

It’s advised that the filters are changed when the countdown reaches zero, although it’s not clear how many gallons that is.

Lifetime Warranty

The warranty on parts and labor for this machine is for life. They are, however, conditional on you following some maintenance laid out by the manufacturer. These include changing the filters at the necessary intervals and only using manufacturers’ authorized parts and filters.

Keep In Mind

Filter Change Lockout

Though this is not necessarily a bad thing, but if you don’t change your filter after a year is up, the machine will lock out. Consequently, it’s advisable to order your replacement filter early to ensure your water keeps flowing.

Additional Specs

Size12.5 x 6.25 x 15 inches
ORP RangeUp to -880
PH Range2 to 12
WarrantyLifetime
Flow Rate1.58 gallons per minute

5. Tyent Rettin MMP-9090 Turbo Extreme

Stainless Steel Construction

Tyent Rettin Mmp-9090 Turbo Extreme Water Ionizer-stainless & Black
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This stylish countertop alkaline ionizer water machine is made from stainless steel, making it durable (13). The black surround and smaller LCD touch-screen display along the front make it aesthetically pleasing, complementing the stainless steel finish.

There are nine medical-grade mesh plates inside this machine. They’re made from titanium, which is then strengthened by dipping them in platinum several times. The aim of this is to make the unit last longer and increase the amount of hydrogen it can produce.

Why We Love It

Multiple Settings

The unit has Tyent’s patented SMPS Plus technology, which allows you to choose from 55 settings for your water. It can adjust the amount of power into the machine as well as the different types of water.

The settings include three phases of alkaline water, two phases of acidic water, and pure water. The display shows you the pH level and has seven different colors to indicate which water you’ve chosen.

Voice activation tells you when the machine is self-cleaning, and there’s an indicator on the display for when a filter change is required.

Additional Filters

Two additional filters are supplied with this machine to help remove impurities from your alkaline water. Again, however, it’s not clear how often the filters need changing.

Warranty

In addition to a lifetime warranty, Tyent offers a 75-day trial period. This means you can test out this machine and see if it’s the one for you, safe in the knowledge you can return it.

Keep In Mind

Possible Leaks

Some find that the connection from the machine to the faucet might be prone to leaks. Customer service for this company seems to be good, so if this happens, you can always reach out to them for help.

Additional Specs

Size4.6 x 15.8 x 16.4 inches
ORP RangeNot specified
PH Range2 to 12
WarrantyLifetime
Flow RateNot specified

6. Cosan Pure Hydration NEXT GENERATION

No Electricity Required

Pure Hydration Alkaline Water Machine | World's Only Affordable All-Natural Alkaline Antioxidant Water Ionizer | Hydrogen Water | Ultra Filtration Removes Lead, Arsnic, Viruses | Boost Your Immunity.
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This machine from Cosan is different from the others we’ve reviewed. It uses a four-stage filtration rather than electricity to cleanse and ionize your water.

Step 1: Firstly, the water passes through activated carbon from coconuts to remove sediment, odor, chlorine, and volatile organic compounds.

Step 2: The second stage filter is a solid activated carbon block designed to remove smaller particles of contaminants from the water.

Step 3: At the third stage is another solid activated carbon block, this time infused with magnesium. The magnesium reacts with water to produce molecular hydrogen, which ionizes the water, making it alkaline and antioxidant (14).

Step 4: The final filter is made from spun polypropylene fibers to reduce some of the remaining contaminants.

All these filters need to be replaced every six months, except the one at stage three, which is every three months.

A battery-operated LED light bar alerts you to normal operation and both 90-day and 180-day filter change alerts.

Why We Love It

No Wires

As this machine doesn’t require an electricity supply, there aren’t wires trailing on your countertop. The unit comes supplied for countertop connection, but you can get adapters to place under the counter if you prefer.

Easy Access to Filters

The machine can be opened on either side to gain access to the filters, so changing them a breeze.

Infrared Sensor

Keeping your machine germ free is easy with the touchless sensor on the front. You wave your hand close to it to turn the flow of water on and off.

Keep In Mind

Alkaline Water Only

Unlike the other machines we’ve featured, this one doesn’t produce acidic water for beauty purposes or cleaning. It will only give you alkaline water.

Additional Specs

SIze8 x 14 x 14 inches
ORP Range-450 to -700
PH RangeUp to 9.5
Warranty30-day money-back guarantee
Flow Rate0.55 gallons per minute

7. IntelGadgets IONtech IT-757

Compact Design

IntelGadgets IONtech IT-757 Advanced Alkaline Water Ionizer Machine 7 pH Water Levels, Platinum Titanium Electrolysis Plates
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This alkaline ionizer machine is quite compact coming in at 12.2 x 8.7 x 4.9 inches. It’s a countertop model, so if you’re stuck for space but want alkaline water, it could be an option. The hose supplied for fitting is extra-long, making it easier for you to find a suitable position for it.

It has a stainless steel housing and a brightly colored blue and green display, which appeals to many. The LCD screen is large and easy to read, and the different settings are specified for the correct selection of your water type.

You can see the pH level, the ORP, and the water flow rate easily on the display. The pH can be adjusted using the plus and minus buttons. This lets you fine-tune the preset amount of alkalinity of your water.

Inside the machine are five solid platinum-coated titanium electrolysis plates to help produce your alkaline water.

Why We Love It

Cleaning Alerts

After every use, the unit automatically carries out a 10-second cleaning of the electrolysis chamber. It will also give you an alert after every 7.9 gallons, advising that the machine needs a full cleaning cycle.

Once this happens, press the “clean” button in the front of the machine, and a two minute clean will be initiated. It plays music while this is happening, so you know that the cleaning is complete when the music stops.

Soft-Touch Control Panel

The seven different pH levels — four alkaline, two acidic, and one purified — can easily be selected using the soft-touch buttons below the LCD.

As well as icons on each of the buttons to indicate the usage of the water you select, there are descriptions written on the side. This helps you avoid choosing the wrong type of water by accident.

Should this happen, there is a safety function built into the machine to prevent you from accidentally consuming acidic water: it automatically switches to daily drinking or purified water after each use.

Quick-Change Filters

Your machine will come supplied with an activated carbon filter to help remove impurities such as chlorine, pesticides, dirt, and odor from your water. On the LCD is a light that indicates when the filter needs replacing, although the company doesn’t say how long they last.

When the time comes to change your filter, it’s designed to be quickly and easily replaced.

Keep In Mind

Frequent Filter Changes

In general, manufacturers recommend a filter change every year, and they seem to last about this length of time. Some find that the filters on the machine need changing every six to nine months.

Additional Specs

Size12.2 x 8.7 x 4.9 inches
ORP RangeUp to -850
PH Range4.5 to 11
Warranty2 years
Flow Rate0.8 gallons per minute

Detailed Comparison Chart

ProductBestSizeORP RangePH RangeWarrantyFlow Rate
Bawell Platinum IonizerOverall11.8 x 15.2 x 6.2″.14003 – 11.5Lifetime2 gal. p/m
Real Spirit Aqua Deluxe Budget8 x 13 x 5″.12005 – 115 years1.05 gal. p/m
Real Spirit Aqua Deluxe 7.0Self Cleaning5.2 x 4.3 x 13″Up – -8404 – 115 years1.05 gal. p/m
Life Next Generation M11Stylish12.5 x 6.25 x 15″Up – -8802 – 12Lifetime1.58 gal. p/m
Tyent Rettin MMP-9090 Turbo ExtremeStainless Steel Construction4.6 x 15.8 x 16.4″Not specified2 – 12LifetimeNot specified
Cosan Pure HydrationNo Electricity Required8 x 14 x 14″-450 – -700Up – 9.530-day money-back guarantee0.55 gal. p/m
IntelGadgets IONtech IT-757Compact Design12.2 x 8.7 x 4.9″Up – -8504.5 – 112 years0.8 gal. p/m
Jump to the Full Alkaline Ionizer Water Machine Reviews

Choose Your Water

Choosing the best alkaline ionizer water machine you can is a must for water connoisseurs. But they’re definitely an investment: you can expect to pay a few thousand dollars for one, although there are budget options available.

Whichever model you choose, you can decide how much alkalinity you want in your water. Except for one of our top picks (the Cosan Pure Hydration unit) all machines will also give you acidic water for cleaning or beauty use, like washing your hair or face.

While drinking water is always beneficial to our health, there’s no proof that alkaline water specifically offers any extra benefits (15). That being said, if you usually revert to bottled water because you don’t like the taste of your tap water, one of these machines could save you money in the long run.

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About the Author

Peter Gray

Peter has been a homeowner for 35+ years and has always done his own repair and improvement tasks. As a retired plumber, Peter now spends his time teaching others how they can fix leaks, replace faucets, and make home improvements on a budget.
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