How do water ionizers differ in pH range?

Different ionizers produce different pH ranges. Some reach super-alkaline (pH 11.5+) or very acidic (pH 2.5-4) levels, which are useful for cleaning but not for drinking. Look for machines that cover the ideal drinking range of about pH 7-10. The extremes of pH (high/low) can only be attained by adding saline, which requires a port and also can harm the water ionizer.

What types of plates do water ionizers use?

Ionizer plates can be solid, mesh, or coated with platinum. Mesh plates provide more surface area for ionization, while advanced electroplating ensures long-lasting performance. The type and quality of plates directly affect the machine’s efficiency and durability. (See #12 in the section above called 'Explaining the Features')

How important is automatic cleaning?

Though all the water ionizers use automatic cleaning, only a rare few use a special feature, called 'automatic continuous-cleaning'. These advanced systems maintain plate efficiency over time, reducing calcium buildup, because the cleaning is continuous. Machines with only intermittent acid-wash cleaning may require manual intervention and can affect long-term performance. (See #12 in the section above called 'Explaining the Features')

What should I look for in filtration quality?

Most water ionizers use high-quality filters, which remove chlorine, heavy metals, fluoride, and microbes. But AlkaViva and Jupiter brands of water ionizers use advanced UltraWater filtration, offering multiple stages for optimal water purity for 249 contaminants up to 99.99%.

Does power supply affect water ionizer performance?

Yes. Switch-mode power supplies are lighter and more energy-efficient, while traditional transformers are robust. Both are reliable, ensuring consistent ionization, especially for machines with multiple plates or advanced features. (See #41 in the section above called 'Explaining the Features')

Are there differences in molecular hydrogen or ORP performance?

Some ionizers produce higher antioxidant levels (more negative ORP) and more molecular hydrogen, which can enhance health benefits. Side-by-side testing is the only way to reliably compare this feature. (See #17-18 in the section above called 'Explaining the Features')

How do installation options vary?

Water ionizers can connect via countertop diverters, under-sink plumbing, or dedicated faucet kits. Consider your kitchen setup, water pressure, and preferred convenience when choosing an installation type.

What are the health benefits of alkaline water?

Alkaline water may improve hydration, reduce acid reflux, and support antioxidant defenses through negative ORP. Many users report enhanced energy and digestion.

Why are alkaline water machines (water ionizers) so expensive?

Electric water ionizers are more expensive because they use pure titanium plates covered with medical-grade platinum (~$1500/oz), include high-quality design, electronics, workmanship, and warranties, and ionize all naturally occurring minerals like calcium, magnesium, and potassium. Non-electric ionizers only ionize magnesium and are less effective. Compared to medical equipment or years of bottled water, they are cost-effective.

Why do water ionizers (alkaline water machines) use platinum-coated electrodes?

Platinum-coated electrodes are essential because platinum is extremely durable and corrosion-resistant. Combined with titanium, electrodes last virtually a lifetime and catalyze the electrolysis process, allowing water to be ionized instantly as it flows through the electrolysis chamber.

Which brand/model of alkaline water machine makes the best water?

Several properly manufactured water ionizers are considered the best if they achieve a wide pH range, produce antioxidants at each alkaline level, and include a good warranty. Other features can be compared in the Water Ionizer Comparison Chart.

Are there any cautions about drinking ionized alkaline water?

Start slowly at the lowest alkaline level, and increase gradually if the water agrees with you. High alkalinity (9.5-10.0) is best for drinking; highest levels can be used for cooking. Use the 'Purified Water' setting for medications. Do not drink acid water from the lower spout.

What is pH and how do I test my body's pH?

pH means 'potential hydrogen' and indicates acidity or alkalinity on a scale of 1-14. 1-6 is acidic, 7 is neutral, 8-14 is alkaline. Saliva should be slightly alkaline (above 7.3) for optimal health. Free urine/saliva pH test kits are available.

Which container, or bottle, is best and what's the best way to store ionized water?

A vacuum stainless steel bottle is the best choice. The second best is a mason jar. Proper storage maintains the water's alkalinity and antioxidant properties.

Does it change the pH or ORP of ionized water to mix it with flavor-aids or alcohol?

Yes. Chemically-created drink mixes like Kool-Aid or Crystal Lite reduce the pH and ORP benefits of ionized water, making it acidic. Alcohol, like scotch, does not reduce pH or ORP.

What are the differences between electric and non-electric water ionizers?

Electric water ionizers are more expensive because they require high-quality pure titanium plates coated with medical-grade platinum. They ionize all beneficial alkaline minerals like calcium, magnesium, and potassium, which are more easily absorbed by cells. Non-electric water ionizers are primarily filters that add magnesium in the presence of magnets. Electric ionizers are superior because they ionize all naturally occurring minerals.

How does a water ionizer work?

A water ionizer uses electrolysis to separate water into alkaline and acidic streams, increasing pH and adding molecular hydrogen for potential health benefits.

What is a naturally ionizing alkaline water filter?

A naturally ionizing alkaline water filter uses mineral-based filtration, such as magnesium and ceramic materials, to raise the pH of water and provide antioxidants. These filters do not require electricity.

Is alkaline water better than filtered water?

Alkaline water offers added benefits like higher pH and antioxidants, while filtered water simply removes contaminants. The best choice depends on your health goals.

Are there any cautions about drinking ionized alkaline water?

You should increase the pH slowly. Start with the lowest alkaline level and increase gradually. Drinking water that’s too alkaline too quickly may cause temporary discomfort. Always introduce new health habits slowly to let your body adjust.

Why do electric water ionizers need platinum coating on the electrodes?

Platinum acts as a catalyst, speeding up the electrolysis process. This ensures immediate and efficient ionization of the water.

Is platinum in water ionizers safe for the body?

Yes. Platinum used in ionizers is safe, and nano-platinum particles may have beneficial effects on the body according to some research.

Which water ionizer do you suggest?

We offer several high-quality water ionizers. You can compare features and prices on our Water Ionizer Comparison page.

What level of alkaline pH is best for drinking?

Most people prefer drinking water with a pH between 9.0 and 9.5. Start with a lower level and increase gradually based on how your body responds.

What are the highest alkaline levels, like 11 pH, used for?

Alkaline levels around 11 pH are typically used for cooking and cleaning, as they help break down grease and grime effectively.

What is the Purified Water setting used for?

Purified Water is neutral pH water that is only filtered, not ionized. It’s ideal for taking medications or for young children and infants.

Can you drink the acid water that comes from the lower spout?

No. Acidic water is not for drinking. It's intended for external use, such as cleaning, disinfecting, or watering plants.

What is the best way to store ionized water?

Store ionized water in an airtight, non-metallic container, ideally in a cool, dark place. This helps preserve its antioxidant and pH properties.

Can babies or toddlers drink alkaline water?

It's best to use the Purified Water (neutral pH) setting for babies and toddlers. Their bodies are naturally alkaline and may not need additional pH boost.

Why Drink Alkaline Ionized Antioxidant Water?

Alkaline ionized water offers more than just hydration — it supports your body’s natural ability to detox, energize, and stay balanced.

Is alkaline water safe to drink every day?

Yes, it’s safe for most people when consumed in moderation. Start with lower pH water and gradually increase. Avoid very high pH (>10) during meals.

Can children drink alkaline water?

Children can drink mildly alkaline water (pH 8–9). For children with specific health conditions, consult your pediatrician first.

How Ionized Water Acts as an Antioxidant

Ionized water provides millions of electrons that neutralize harmful free radicals. Unlike traditional antioxidants, hydrogen evaporates after donating electrons, leaving no negative byproducts.

PH & ORP — What Do They Mean?

PH stands for 'potential hydrogen' and indicates acidity or alkalinity. ORP measures antioxidant potential. Negative ORP, found in ionized water, means stronger ability to combat oxidation.

Is bottled alkaline water the same as ionized water?

No. Bottled water loses molecular hydrogen quickly and does not maintain negative ORP. Electric ionizers provide fresh, high-antioxidant water on demand.

Can alkaline water help with acid reflux or digestion?

Many people report relief from acid reflux and improved digestion with regular alkaline water. Some studies suggest pH-balanced water can neutralize stomach acidity.

Are there any cautions when drinking alkaline water?

Start slowly with the lowest setting. Gradually increase pH and intake.

Does alkaline water help with weight loss?

Alkaline water may support metabolism and fat-burning indirectly by reducing acidity and improving hydration, but it is not a replacement for a healthy diet and exercise.

Do I need to drink a lot to see benefits?

Start with 4–8 cups per day. Consistent use over weeks to months yields the best results.

Can I use alkaline water for pets or cooking?

Mild alkaline water is safe for pets. Using it for cooking can enhance mineral content and flavor, but extremely high pH water is not recommended for daily cooking.

Cost of a Water Ionizer?

Investing in a water ionizer is a smart long-term health choice. Daily cost for a family is roughly $0.50. High-quality ionizers use platinum-coated plates and advanced electronics for durability.

How to Get Alkaline Ionized Water

1. Use a Water Ionizer Machine: Most effective way to get fresh, antioxidant-rich alkaline water at home with customizable pH levels, powerful filtration, and rich molecular hydrogen. 2. Try Natural Ionizing Water Filters & Pitchers: Portable and affordable options with easy use, lightweight travel-friendly design, though less hydrogen compared to electric ionizers.

What are the most common contaminants found in tap water?

Tap water can contain chlorine, fluoride, heavy metals like lead or mercury, and volatile organic compounds (VOCs). These can be removed using carbon, KDF, and UltraWater filters.

Do water ionizers filter water?

Yes. Water ionizers include internal filters, but for complete protection from fluoride and heavy metals, pairing with external filters like the Fluoride Shield or UltraWater filter is recommended.

What is the best filter for fluoride removal?

Specialized fluoride filters, such as the Fluoride Shield, use advanced media to attract and remove fluoride ions from drinking water.

How can I know which filter I need for my home water?

Check your local water quality report and match filters to your specific contaminants. Carbon filters remove chlorine and VOCs; KDF filters remove heavy metals; ceramic filters remove microorganisms.

Do I need both a pre-filter and an ionizer filter?

It's optional. A pre-filter protects your ionizer and improves water purity, ensuring longer filter life and cleaner, better-tasting water.

AlkaViva 9-Plate Vesta H2 Water Ionizer

Description
Reviews

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AlkaViva Vesta H2 Water Ionizer

The AlkaViva 9-Plate Vesta H2 Water Ionizer is a premium countertop unit designed to produce hydrogen-rich alkaline water for optimal hydration and health benefits. Featuring advanced H2 Infusion Technology, it delivers superior antioxidant performance, especially at lower, drinkable pH levels. The ionizer boasts a 9-plate SmartDesign electrolysis system, an AutoAdjust power supply, and a fully automatic DARC II cleaning system for maintenance-free operation. Its real-time Flow Control System allows precise pH and hydrogen concentration adjustments, ensuring the highest water quality. With a sleek design available in black or white, the Vesta H2 fits seamlessly into any kitchen. It also comes with a lifetime parts warranty and a 10-year labor warranty, offering peace of mind for years to come.

Product Highlights:

Advanced H2 Infusion Technology: Delivers superior antioxidant performance at lower, drinkable pH levels.
9 SmartDesign Electrodes: Utilizes platinum/titanium plates for efficient ionization.
Fully Automatic DARC II Cleaning System: Ensures maintenance-free operation.
Real-Time Flow Control System: Allows precise pH and hydrogen concentration adjustments.
UltraWater Filtration: Provides the cleanest water with 13-stage filtration.
Warranty: Lifetime parts and 10-year labor warranty for peace of mind.

The Vesta H2 water ionizer is the most effective and best water ionizer for the counter-top. It's Hydrogen Infusion Technology is one of the many upgrades the manufacturer has put into this superior water ionizer.

It produces ionized water with the maximum amount of H2 (hydrogen antioxidants, or molecular hydrogen). the H2 water ionizers are the most functional water ionizers there are.

The AlkaViva Vesta H2 Water Ionizer is a state-of-the-art countertop water ionizer designed to produce the highest concentration of molecular hydrogen (H₂) for antioxidant-rich hydrogen water. Upgraded from the Jupiter Vesta GL, it features Hydrogen Infusion Technology, delivering maximum H₂ for optimal health benefits.

Maximum Hydrogen Production with UltraWater Filtration

Using advanced AC-to-DC conversion, the Vesta H2 excites water molecules to generate high levels of molecular hydrogen. Its 9 ultra-efficient titanium/platinum plates ensure consistent performance, while the included UltraWater filtration system guarantees superior water quality—removing impurities better than virtually any other filter on the market.

Advanced Electrode Technology

9-Ultra Efficient Electrodes Made of the highest grade Titanium / Platinum for durability and efficient ionization.

Industry-First Self-Diagnostic MICOM System

The MICOM mini-computer circuitry monitors every aspect of the machine to protect your investment. It safeguards against hot water, electrical surges, and other hazards, ensuring long-lasting reliability.

Advanced SMPS Technology for Efficient Ionization

The Vesta H2 features an Auto-Adjust Switch Mode Power Supply (SMPS) that automatically adapts to water conditions, providing efficient ionization, enhanced hydrogen output, and energy savings. Competitor units without Auto-Adjust cannot match this level of performance.

Smart Plate-Cleaning Technology

Equipped with Smart-Switch and AutoClean technology, the Vesta H2 prevents scale buildup automatically, so you never have to wait for cleaning. Other brands require manual maintenance and reduce water flow during cleaning cycles—Vesta H2 keeps water flowing through continuously-cleaned plates.

Advanced UltraWater Filtration System

The dual 0.1-micron UltraWater filters with space-fiber technology deliver superior filtration and remove contaminants while maintaining essential minerals. The filter life indicator alerts you when replacements are needed, and optional anti-scale filter ports protect against hard water buildup. UltraWater Filtration are the best filters at any price.

Durable, Safe, and Easy to Use

9 high-grade titanium/platinum electrodes for long-lasting, efficient ionization.
Hard water protection keeps your ionizer safe, even in challenging water conditions.
Volume control allows precise water flow adjustment.
Sleek, modern design fits any kitchen décor with a compact footprint.
Can handle up to 72 psi of water pressure, ideal for countertop or under-sink installation.

Advanced Protection Against Hard Water

Hard water can be very destructive of a water ionizer, and often your warranty doesn't cover it. H2-Series water ionizers protect against hard water better than other water ionizers. For hard water protection, the Vesta H2 is in a class of its own.

Volume Control

See the back of the machine (toward the lower-left) for volume control.

Sleek Design

Modern, Sleek Design Small footprint and elegant black and stainless-look design complement any modern kitchen décor. Experience the elegance and efficiency of this ionizer in your kitchen!

H2 Water Ionizers are Strong on the Inside

H2 water ionizers hold up to the the strongest internal pressure. This is why under-sink installation, or any other kind of pressurized installation, works very well with them. Works with up to 72 psi of water pressure.

Shop UltraWater Filters for the purest alkaline and hydrogen-rich water available.

Customer Reviews: Why People Love the Vesta H2

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"I want to share with everyone I know that machines like this exist!" – Emilie

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"The Vesta H2 is absolutely what we were looking for. Just as expected." – Bartolomeo F.

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"Hands down, the Vesta H2 is the best water ionizer on the market." – Mark Z.

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"The Vesta is the best water ionizer system available. I recommend it to everyone." – Jack W.

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"I absolutely love my Vesta, wish I would have known about this a long time ago." – James A.

See REVIEWS Tab - Above

Vesta H2 Specifications

Voltage: 120V (60Hz)
Power: Advanced SMPS (235W)
Watts: 235w
Water Pressure: Up to 72 psi
Dimensions: 12.5” W x 14.5” H x 5.5” D
Faucet Dimensions: 9 3/8” tall, Long spout 5.5”, Short Spout 4.5”
Note: A hole approximately 35 mm in diameter is required for the faucet installation at the sink. The rest of the water ionizer installs below the sink. A GFI-rated electric outlet needs to be available under the sink for the ionizer to plug into.
Weight:13 lbs.
Electrodes: 9 pure-platinum-coated titanium plates
Flow Rate: 1.5–2.5 L/min
Settings: 5 alkaline, purified, and 2 acidic modes
Cleaning: Automatic & continuous
Filter Life: 1,000 gallons
Display: LCD Touchscreen
Voice Function: Adjustable
Safety: Built-in dual temperature sensors and fuse
Electrolysis Method: Continuous and Automatic
ON/OFF Valve Method: Real-time Flow Control Knob
Mineral Port: Yes, in each filter.

AlkaViva Vesta H2 Water Ionizer Warranty

We will register your water ionizer for its AlkaViva Lifetime Parts & 5-Year Labor Warranty for you.
Also, for no extra charge to you, we will increase the "5-Years" of Labor to 10-years. Just say "upgrade warranty to 10-years labor" in the comment section of the order form.
Accessories have 90-day warranties.

Easy Installation Options for the Vesta H2

Choose the setup that works best for your kitchen:

Standard Faucet Diverter: Quickly connects to your sink faucet. Learn More
Angle Stop Valve: Direct connection to your cold water line under the sink. Learn More
Pull-Out/Spray Faucet Diverter: Available in 1/2" or 3/8" sizes. Learn More
Under-Sink Installation Kit: Everything you need for a clean under-sink setup.

AlkaViva Vesta H2 Installation

Follow the links to watch various demonstrations of the Vesta H2 water ionizers installation and maintenance.

Programming the H2 Water Ionizers

H2 water ionizers (including the Melody II) work perfectly with most average water. For those who want to, though, these water ionizers are programmable. See the directions in the manual, pg. 13.

UltraWater Filtration Information

Lab Results for UltraWater filter.

Read more information about UltraWater Filter Technology.

Filter Replacement Made Easy

Shut off water flow.
Turn on alkaline flow to release pressure.
Remove old filter and disconnect electronic connector.
Install new filter and reconnect.
Lubricate O-rings with food-grade oil for smooth insertion.

Tip: Order replacement filters from us to ensure a perfect fit.

All Water-Ionizer Customers Please Read:

For special water-source issues, please read the appropriate page(s) listed below.

Or, contact us for a free water quality consultation.

Packing Up the H2 Water Ionizer

See the bottom of the AlkaViva Category Page for instructions to follow if you ever need to ship an AlkaViva H2 series water ionizer.

PayPlan Options

See the Payplans Page for more information about these.