

Undersink
Water Ionizers
Maximal performance. Space-saving, practical and elegant design.
9 & 13-PLATE OPTIONS
Starting at $3,495
Shop NowPremium Value Alkaline Machines. Super High-Efficiency Means Top H2 Performance That Lasts. Easy Install and Use. No Maintenance. The Cleanest, Healthiest, Water. Proven. Not Promised.
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Whether it’s healthy aging, optimizing your wellness, athletic performance, or protecting your family’s health, discover the premium value in Water Ionizers.
$189.90
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$39.95
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$699.99
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Make better water part of your daily hydration routine before you decide.
Join thousands of families, athletes and health and wellness enthusiasts who made UltraWater part of their daily health routine.
You want an alkaline water ionizer to improve your health. Here are six reasons 2,000,000+ homes worldwide choose AlkaViva, the best value in Alkaline Water Ionizers.
Certified Clean
Premier H2 performance. EPA/NELAP lab tested. Reduces 249 contaminants to 99.9% — PFAS, glyphosate, lead, pharma and more!
See our testing.Premium Engineering
Premier South Korean engineering. Japanese titanium / platinum plates. Honest pricing. No gimmicks, inflated markups or fake sales.
See our ManufacturingSee How We CompareEfficiency
Advanced, high-efficiency technology allows us to use less power. Add industry-best cleaning and you get top performance, that lasts.
Why high efficiency matters.Going strong since 2003
White glove service. BBB accredited with A+ rating since 2007. Honest Limited Lifetime Warranty. Call us. We answer!
Google Top Quality Store0% Financing
Buying over-time makes total sense with 0% interest, no application, no paperwork and no ding on your credit! Interested?
View Financing OptionsCall or Chat Us90-day Trial
Your 90-day home trial starts on the day your ionizer arrives. If you don’t fall in love with UltraWater, let us know and we will refund you!
Easy ReturnsThe Science Made Simple
Transforming tap water to UltraWater that transforms your health.
Step 01

Advanced dual filtration reduces up to 99.9% of virtually all tested contaminants.
See our test resultsStep 02

A specialized electrolysis cell makes the water alkaline, ionized and creates molecular hydrogen.
See 3,000 reasons to drink it!Step 03

UltraWater is silky smooth and great tasting so you can drink more. Better water. Better life.
Hydration made easy!Ready to experience UltraWater?
Our Global Impact
Do good. For yourself. For the planet. Join the UltraWater revolution.
Find your fit
No two wellness journeys are the same. Discover the water system designed for yours.

Wellness
Worried about PFAS, glyphosate, chlorine, lead? The ONLY ionizer filter tested in EPA/NELAP certified labs against 249 contaminants.

Active Life
Over 3,000 peer-reviewed studies back up health benefits of H2 in over 200 health conditions. Optimize your health and wellness!

Longevity
One-touch operation. Easy to understand display. Automatic cleaning. No maintenance. All with seven proven healthy-aging benefits.

Digestive Wellness
Studies show alkaline water with it’s available carbonate and bicarbonate create a mineral-buffer that eases digestive issues.

Performance
H2 is one of the most studied topics in exercise research, with published studies exploring endurance, performance & recovery.

Joint Pain
H2 targets and eases the root causes of aches and pains — chronic inflammation, oxidative stress, and lactic acid.
Find your fit
Every one of our ionizers is built to deliver clean, high-quality ionized water with premium filtration tested against 249 contaminants in an EPA-certified laboratory. Designed with super high-efficiency plates, they use less power for longer-lasting performance.
From $3,995.00
From $4,295.00
From $3,194.99
From $3,494.99
From $2,594.99
Healthiest H2
UltraPower Up to 2 ppm
Acidic Water
UltraPower pH 2.5
Healthier H2
Standard Up to 1 ppm
Acidic Water
Standard pH 3.5
Healthy H2
Up to 0.6 ppm
Acidic Water
pH 4.5
13 Smart Electrodes
Japanese Titanium / Platinum
9 Smart Electrodes
Japanese Titanium / Platinum
7 Smart Electrodes
Japanese Titanium / Platinum
Dual UltraWater Filtration
EPA / NELAP Tested
Dual UltraWater Filtration
EPA / NELAP Tested
Dual UltraWater Filtration
EPA / NELAP Tested
AutoAdjust SMPS Power
AutoAdjust SMPS Power
AutoAdjust SMPS Power
DARC Automatic Cleaning
No Maintenance
Super high-efficiency
Protective RISC Circuitry
DARC Automatic Cleaning
No Maintenance
Super high-efficiency
Protective RISC Circuitry
DARC Automatic Cleaning
No Maintenance
Super high-efficiency
Protective RISC Circuitry
Why it matters
An AlkaViva ionizer is a smart-water processing system.
It transforms water to elevate your lifestyle and everyday home-life!

Filtration
Tap water will never get better in our lifetime. We are constantly up our game on our filter testing to include things like PFAS, glyphosate, pharma and more — reducing them to 99.9%
Tested against 249 contaminants

Vitality
H₂ crosses the blood brain barrier almost instantly, diffusing directly into the tissue, cell membranes, and sub-cellular compartments of your brain, increasing ATP production and powering your all your cells.
Support cellular repair and recovery

Hydration
Dehydration is bad by itself. It also makes any health challenge worse. Silky smooth, great tasting UltraWater is easy to drink and offers proven benefit. When water tastes good, you drink more!
Naturally drink more every day

Transparency
The ionizer industry is crowded with MLM pricing, unproven claims, and filters with no published testing. AlkaViva solves that too: honest pricing, published EPA/NELAP-accredited lab results, and a 90-day guarantee.
Independent lab results & lifetime guarantee

Sustainability
Bottled water is expensive. It is an eco-disaster and a hassle when you run out. An AlkaViva ionizer costs less than $0.50 / gal over 10 years, and you get water with science backed health benefits.
Under $0.50 per gallon over 10 years

Science
Our ionizers make waters with different functional properties for things like stain removal, spotting, surface cleaning and disinfecting, skin care, mouthwash, wound-care, plants or cut flowers. Limitless uses!
Rich in molecular hydrogen per glass
Know Your Water
You can't see or taste the scariest contaminants. Your water looks and tastes fine. But it isn’t. And the EPA knows it. We accessed the EPA’s ECHO Database1 to show you what they know. About your water. Here are some startling facts about public water in the USA:
Also known as PFAS, they are dangerous because they “last forever” and are highly toxic - even in minute amounts.
That’s 81% of Americans! Lead causes developmental issues, cognitive issues like memory loss and kidney damage.
The carcinogenic “villain” chemical in the movie Erin Brockovich. It damages internal organs, the respiratory system, and skin.
See the EPA data on your water in seconds.
Free. No sign-up. Results in seconds.
Or take the 3-minute guided tour
1 The ECHO (Enforcement and Compliance History Online) database is a comprehensive, public database integrating environmental testing, compliance and enforcement data for more than one million regulated water supplies across the USA.
UltraWater
UltraWater doesn’t just change your water. It changes the way you experience it every day.

Taste
People say this is how water should taste: clean, crisp and silky smooth. When water tastes good and is easy to drink, you naturally drink more. improving your hydration and health.
“It just disappears in my body.” — AlkaViva customer, age 90
3-Step Install and One-Touch Operation
With 3-step install and one-touch operation, our ionizers are intuitive and elegantly easy to use. No meaningless features to program. Nothing complicated. Just great tasting, super clean and healthy water at your finger tips.
View Installation Guide
Performance
Many customers report changes within the first week: more energy, better digestion, improved clarity, fewer everyday aches and faster recovery.
Science
More than 3,000 peer-reviewed studies show molecular hydrogen may provide therapeutic benefits across more than 200 disease models and health conditions.
3,000+ peer-reviewed studies · 200+ health conditions researched
Explore the Science
Join thousands of families, athletes and wellness-focused homeowners who made UltraWater part of their daily routine.
Susie C.
Verified
Hi, I'm Susie. I have been drinking ultra water for over 18 years, and I can't begin to tell you the benefits. It's really helped me out a lot in regards to my inflammation that I used to have in my hands. So I do have, you know, arthritis that's not apparent anymore. And then also what it's done for my skin, my energy level, my hair. It's just been tremendous. And there's all kinds of different uses that you can have, you know, with the acidic water, not as well, just not the alkaline water. And also, too, do not forget about your critters, because your critters also benefit from the water, and it helps promote longevity of their, their lives, too. So we want to try to spend as much time as we can with them. All right. Thank you. Give us a try.
Mary E
Verified
Over 20 years ago, while living on the east coast, I contracted Lyme disease and began to suffer with brain fog, headaches, inflammation, and joint pain. Because the disease was so misunderstood at the time, it often went misdiagnosed and mistreated. Fortunately for me, I was able to find a naturalistic doctor who properly diagnosed my symptoms as Lyme's disease, and she helped me to make some lifestyle changes that really, really made a difference in how I felt. One of the things that I was able to add to my life was a water ionizer from alkaviva. It produces alkaline ionized hydrogen water, which has the ability to greatly reduce the symptoms from which I was suffering. So if you are on the fence about buying one of these machines, put the thing in your cart, hit the buy button and go for it. You won't regret it, I promise.
Franny M.
Verified
Hi, I'm Frannie Welter, and I've owned an Alkaviva water ionizer for over 15 years. Started off with the Athena and just switched over to the amazing Delphi model, which also hydrogenates the water. So many health benefits. But let me just show you this beautiful unit right here. I've worked up to an alkaline three. Absolutely beautiful. To learn more about all the benefits of purifying and alkalizing your body with this water, check out Alkaviva Caddy.
The AlkaViva Difference
See why AlkaViva is the best value in Water Ionizers. Not all ionizers are built the same. Compare the features that matter most for long-term health, performance, and ownership experience.
| Feature | Kangen | Tyent | Recommended AlkaViva |
|---|---|---|---|
Independent Lab Testing Published, third-party accredited results you can verify yourself. | Kangen NSF 42 – only | Tyent Hard to find. Missing | AlkaViva EPA/NELAP Accredited Testing published publicly |
Best Value, Transparent Pricing No distributor markups, no hidden costs, no sales pressure. | Kangen MLM markups to pay | Tyent Inflated markups. | AlkaViva Exceptional Value Fair $ Top performance. Honest pricing. |
Performance That Lasts Efficiency? Cleaning system? Maintenance? All add up to lasting performance. | Kangen Manual cleaning. Lots | Tyent Over-powered | AlkaViva Performance Over Time Super high-efficiency plus DARC |
Want the full comparison?

In business since 2003, we’ve been continuously BBB accredited and A+ rated since 2007.

Water Quality Association
Member in Good Standing
Our promise and commitment to you is integrity and certification of products and staff.

Accredited Lab Testing
249 Contaminants Tested
Our filters remove 99.9% of 249 contaminants. Proven in EPA/NELAP certified lab testing.

International Safety Certified
ISO · CE · RoHS · TÜV
Manufactured with ISO, CE, RoHS, and TÜV certifications for safety standards.
Keep your alkaline water machine performing at its best. Tested in EPA-certified labs to remove up to 99.9% of 249 contaminants.
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$189.90
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$299.99
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$299.99
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$299.99
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$299.99
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$299.99
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$299.99
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Everything you need to know before choosing an AlkaViva water ionizer.
Still have questions?
Talk with an AlkaViva water expertCompare the 13-plate Delphi H2, 9-plate Delphi H2 and 7-plate Athena H2 above — or talk with a water expert who will match a model to your water, household size and budget.
AlkaViva publishes EPA/NELAP-accredited lab results, prices without distributor markups, and backs every ionizer with a limited lifetime warranty. See the full comparison for a feature-by-feature breakdown.
Yes. UltraWater filters are tested against 249 contaminants — including PFAS, glyphosate, lead and pharmaceuticals — and reduce them by up to 99.9% in EPA/NELAP-certified laboratory testing.
The alkaline stream is your drinking water — ionized, hydrogen-rich and silky smooth. The acidic stream is for topical and household use: skin care, mouthwash, wound care, cleaning, plants and cut flowers.
Knowledge Hub
Research, buying guides and science-backed education to help you get more from your water.

How alkaline and acidic water are used when rinsing fresh produce.
Read MoreA closer look at filtration, electrolysis, pH and redox potential.
Read MoreCompare filtration, performance and ownership details side by side.
Read More