Aqua ionizer deluxe 9.5 vs. Kangen k8

Last updated on: June 1, 2024.

Like water softeners, Water ionizers have become increasingly popular due to their potential health benefits. These machines use an efficient electrolysis process to alter the pH of water, creating alkaline or acidic water. Two of the most well-known water ionizers today are the Aqua Ionizer Deluxe 9.5 and the Kangen K8. While both machines claim to offer numerous health benefits, they differ in several key areas, including their features, pricing, and overall performance. We will now look at the Aqua Ionizer Deluxe 9.5 and Kangen K8 to help you determine which water ionizer best fits your needs.

What are the advantages of using water ionizers?

Water ionizers are devices that are designed to produce alkaline ionized water by electrolysis of tap water. Here are some advantages of using water ionizers:

What are the advantages of using water ionizers?

Promotes Hydration

Drinking ionized alkaline water helps to keep the body hydrated as the molecular hydrogen is smaller and more easily absorbed by the body. This can help reduce dehydration, which can lead to fatigue, headaches, and other health problems.

High Water’s pH level

Ionized alkaline water has a higher pH level to neutralize the acid in the body and reduce the risk of acid reflux symptoms and other digestive problems.

Antioxidant properties

Ionized alkaline water has antioxidant properties that can neutralize harmful free radicals. This can reduce the risk of chronic diseases such as diabetes, cancer, and heart disease.

Improved taste

Ionized alkaline water has a smoother taste and is more refreshing than regular tap water. It also lacks the aftertaste of chlorine and other hazardous chemicals found in tap water.


Water ionizers can help you save money over time as they eliminate the need to buy expensive bottled water. They are easy to install and use, with minimal maintenance.

Overall, the use of water ionizers can be positive on your health and well-being, as well as your finances. But, it is vital to note that more research is needed to understand the potential health benefits of ionized alkaline water fully.

Comparing Aqua Ionizer Deluxe 9.5 Vs. Kangen K8

The Aqua Ionizer Deluxe 9.5 and Kangen K8 are popular ionizers designed to produce high-quality alkaline water. However, several differences between these two machines may impact your decision when choosing the right water ionizer for your needs.

Comparing Aqua Ionizer Deluxe 9.5 Vs. Kangen K8

Both machines share multiple water selections. The Deluxe 9.5 has 400 watts with a new circuit board configuration. The Deluxe 9.5 boasts 50% stronger antioxidants. Molecular Hydrogen is increased by more than four times at the drinking level, with over 1600ppb Hydrogen. It carries unlimited lifetime cleaning, which includes a fully automatic cleaning, re-calibration, and replacement filter for your machine at no cost.


Both machines can produce alkaline water with a pH of up to 9.5, but the Kangen K8 can produce water with a higher pH level of up to 11.5. The Kangen K8 also produces stronger acidic water with a pH level of 2.5, whereas the Aqua Ionizer Deluxe 9.5 produces water with a pH level of 4.5.


Both machines have advanced filtration systems that remove impurities and other contaminants from your water. However, the Kangen K8 features a more advanced filtration system with a multistage filter. In contrast, the Aqua Ionizer Deluxe 9.5 has a single filter that may need to be replaced more frequently.


The Kangen K8 has a sleek design, whereas the Aqua Ionizer Deluxe 9.5 has a more traditional design. The Kangen K8 also features a touchscreen interface for easy control and customization of your water settings, whereas the Aqua Ionizer Deluxe 9.5 has a simpler button interface.


The Kangen K8 is more expensive than the Aqua Ionizer Deluxe. However, the Kangen K8 has a more extensive warranty that includes lifetime support, whereas the Aqua Ionizer Deluxe 9.5 has a more limited warranty.

The Aqua Ionizer Deluxe 9.5 and Kangen K8 are excellent options for anyone looking for a high-quality water ionizer. The Kangen K8 may be a better choice for those who want more advanced features and a higher pH level, whereas the Aqua Ionizer Deluxe 9.5 may be a more budget-friendly option with a simpler design. The right choice depends on your specific needs and preferences.

Features and Benefits of Aqua Ionizer Deluxe® 9.5

The Aqua Ionizer Deluxe 9.5 has an improved design to focus on producing antioxidants at a drinking pH level. The Antioxidant Deluxe Machine has proprietary antioxidant boost technology. With the dedicated ‘High Antioxidant” button explicitly designed for drinking water, you can now enjoy abundant antioxidants when you need them. 

Aquaionizer pro

Features of Aqua Ionizer Deluxe® 9.5

  • Proprietary antioxidant boost technology increases the number of antioxidants, specifically molecular Hydrogen, in your water. 
  • Compact and sleek design.
  • Seven healthy water options: 4 ionized alkaline continuously variable, 1 non-ionized purified, and 2 ionized acidic preset.
  • Advanced 9-Electroplate Technology: 9 platinum-coated titanium, energy-efficient, highly durable plates 
  • Nine different pH levels ranging from 3.0 to 11.5
  • OPR Range of +600 to -880mV
  • Intuitive backlit LCD.
  • Lifetime warranty. 
  • Cleans by reversing polarity after each use and with auto-plate washing every 10.5 gallons.
  • Advanced filtration system with activated carbon and ceramic filters
  • Self-diagnostic system to detect and prevent malfunctions
  • Three-stage cleaning cycle 
  • Transformer Power Supply: 400 Watts 

Benefits of Aqua Ionizer Deluxe 9.5:

  •  Provides antioxidant-rich alkaline water that neutralizes free radicals and helps prevent oxidative stress
  • Enhances hydration by reducing the size of molecular hydrogen for better absorption by the body
  • Improves digestion by balancing the body’s pH levels and promoting a healthy gut microbiome
  • Boosts immunity by supporting the body’s natural detoxification processes
  • Reduces inflammation and relieves symptoms of acid reflux, arthritis, and other inflammatory conditions

Features of Kangen K8:

Features of Kangen K8
Kangen K8
  • Eight different pH levels ranging from 2.5 to 11.5
  • Large LCD screen for easy control and monitoring of the pH levels
  • Smart Filter Technology to remove impurities
  • Automatic self-cleaning function for easy maintenance
  • Electrolysis Enhancer to increase the machine’s lifespan and improve the quality of the ionized water
  • Voice confirmation for easy operation and user-friendly experience

Benefits of Kangen K8:

  • Provides alkaline water with a high pH level that helps neutralize the acid in the body and promote overall health
  • Improves digestion and reduces symptoms of acid reflux, bloating, and constipation
  • Boosts energy levels and supports weight loss by promoting a faster metabolism
  • Enhances skin health and reduces the appearance of fine lines and wrinkles
  • Promotes overall wellness and reduces the risk of chronic diseases.

Aqua Ionizer Deluxe 9.5 and Kangen K8 are high-quality water ionizer machines with numerous health benefits. The choice comes down to individual preferences. Now, we will go into an in-depth analysis of the various capabilities of the two ionizers. 

Filtering systems of Aqua Ionizer Deluxe 9.5 and Kangen K8 

Filtering systems of Aqua Ionizer Deluxe 9.5 and Kangen K8 

On the other hand, Kangen K8 uses an eight-step filtration process with similar stages to remove harmful chemicals from tap water before electrolysis occurs during its operating cycle. Its superior quality filters can even purify seawater efficiently through its patented technologies like Enagic’s revolutionary Antibacterial Neutralizing System (ABN). It helps maintain optimum hygiene by sterilizing bacteria while neutralizing unwanted odors.

The Aqua Ionizer Deluxe 9.5 and the Kangen K8 are ionizers that boast robust filtration systems to purify water. However, there are differences in their filtration. The Aqua Ionizer Deluxe 9.5 uses a dual filtration system consisting of activated carbon and an ultrafiltration membrane, which removes impurities like chlorine, sediment, bacteria, and viruses from the water source before it undergoes electrolysis for ionization. In contrast, the Kangen K8 utilizes a multistage filtration process that includes activated charcoal filters with silver-impregnated antibacterial properties to eliminate harmful contaminants while alkalizing and mineralizing the water.

The Kangen K8 also incorporates ceramic plates containing layers of calcium sulfite and coral sand in its filter system to increase pH levels and improve the taste by adding beneficial minerals to the purified water supply. While both models have impressive filtration capabilities supporting optimal levels of drinking quality, they differ slightly in their approach; however, they share common goals: eliminating contaminants while enhancing health benefits through ionization.

Despite these variations in methods between these two machines’ approaches toward effectively filtering water sources for healthy consumption or cleaning purposes alike, they are excellent choices for consumers who want high-quality filtered water without compromising on essential nutrients or minerals needed for daily dietary needs.

Both models produce filtered water with high pH levels suitable for drinking and cooking. However, it’s worth noting that the Aqua Ionizer Deluxe has been certified by various organizations like CE, RoHS & ISO-9001, while no official certifications are available for Kangen K8. The differences in their filtering systems reflect different approaches to producing clean drinking water. Aqua Ionizer Deluxe 9.5 focuses more on removing impurities, while Kangen K8 emphasizes alkalization through electrolysis plates. Both Aqua Ionizer Deluxe 9.5 Vs. Kangen K8 provide excellent filtration capabilities for producing clean alkaline water; however, they use different methods and technologies to achieve similar goals depending on your needs or preferences for drinking safe drinking water at home or in office space.

The salt dosage can be set manually based on your particular water situation on some more basic water softeners.  

Price comparison between Aqua Ionizer Deluxe 9.5 and Kangen K8

When purchasing a water ionizer, one of the most important factors to consider is the price. The Aqua Ionizer Deluxe 9.5 and Kangen K8 have different prices, so let’s examine their differences.:

The Aqua Ionizer Deluxe 9.5 is priced significantly lower than the Kangen K8, making it more accessible to those on a budget or looking for an affordable option without sacrificing quality. However, despite its lower cost, the Aqua Ionizer Deluxe 9.5 still offers an impressive array of features, such as nine plates and eleven pH settings that can produce quality alkaline water with high antioxidant potential, just like the Kangen K8 model does at a higher price point. Ultimately, while the price is an important factor in choosing between these two products, consumers should also consider other aspects, such as performance and long-term durability, when deciding which one to purchase.

The Kangen K8 is considerably more expensive than the Aqua Ionizer Deluxe 9.5. The Kangen K8 boasts premium features such as electrolysis enhancer tanks, platinum-coated titanium plates, a larger number of plates, and advanced filter technologies with a significantly higher price tag than its counterpart – almost double or even triple, depending on where you buy from, which may not be feasible for everyone. It is also important to consider the brand name recognition of Enagic (the manufacturer of Kangen) and its extensive marketing campaigns. However, when it comes down to pure functionality and performance, Aqua Ionizer Deluxe 9.5 offers comparable results at a much more affordable price point. Ultimately, choosing between these two machines will depend on your budget and personal preferences regarding brand reputation versus value for money invested in health-related products like water ionizers.

Comparing these two models based on price alone, the Aqua Ionizer Deluxe 9.5 offers excellent value for money. At the same time, Kangen K8 caters to more sophisticated preferences with its additional features at a premium cost. The difference in price between Aqua Ionizer Deluxe 9.5 and Kangen K8 is approximately $400 to $500, depending on the retailer. 

Usability of Aqua Ionizer Deluxe 9.5 and Kangen K8

While both water ionizers offer alkaline and acidic water for drinking and cleaning purposes, Aqua Ionizer Deluxe 9.5 provides more flexibility regarding usage with its nine presets feature, including four alkaline levels, two acidic levels, purified water, and turbo mode. The device also has a user-friendly interface that allows users to adjust settings according to their preferences easily. The machine also boasts a large LCD screen that displays all essential information, such as pH levels and ORP readings, at a glance. 

Kangen K8 offers fewer options but more advanced options as well. Anyone unfamiliar with the intricacies of water ionizers may thus perceive the user interface of the Kangen K8 to be complicated and confusing. It also requires manual adjustments every time you want to change settings or switch between different types of water. Its touchscreen panel may appear sleek but can be challenging for some users due to complicated menu structures and a lack of intuitive controls. If usability is your top priority when choosing a water ionizer that fits your lifestyle needs and preferences better, Aqua Ionizer Deluxe 9.5 would be an excellent choice compared to Kangen K8 because of its versatility in usage and easy-to-use interface design.

Another difference in usability is in terms of portability. The Aqua Ionizer Deluxe 9.5 has a compact design, easy to move around as needed, while Kangen K8 is bulkier, making it less portable than other ionizers. Maintenance-wise, both machines require regular cleaning, but the process is easier for Aqua Ionizer Deluxe 9.5 thanks to its self-cleaning feature. At the same time, on Kangen K8, you need manual cleaning every few weeks, which can be time-consuming.

While both systems have unique advantages, comparing their usability aspects like ease of use, portability, and maintenance needs shows significant differences. Ultimately, when comparing these two models’ overall usability factors based on user-friendliness and simplicity in operation processes without compromising quality output results, customers can choose either device depending on their preferences as each unit offers unique features tailored towards different customers’ demands at affordable prices too!

Maintenance of Aqua Ionizer Deluxe 9.5 and Kangen K8

The electrodes play a crucial role in a water ionizer; if they aren’t well-maintained, the machine will struggle to ionize. Traditional automatic cleaning methods have been found to cause calcium buildup on the plates, reducing effectiveness. 

So, consider the plate cleaning process of a water ionizer, not just for convenience but also to avoid wasted water and costly filter replacements. In most cases, an intermittent acid wash cleans the plates at the start or end of every use or periodically throughout the day. This applies to Kangen, Aqua, and most other water ionizers on the market.

When it comes to maintaining water ionizers, there are notable differences between the Aqua Ionizer Deluxe 9.5 and the Kangen K8 models. Firstly, the Aqua Ionizer Deluxe 9.5 boasts a self-cleaning feature that uses reverse polarity technology to clean the electrodes automatically after each use. It ensures that mineral buildup on the plates is kept at bay and prolongs its lifespan.

On the other hand, Kangen K8 requires manual cleaning of its electrolysis chamber every few weeks or months, depending on usage frequency, to prevent scale formation. Furthermore, while both machines come with filters that require replacing after some time, the Aqua Ionizer Deluxe 9.5’s filter has a longer lifespan than Kangen K8’s filter, which needs replacement more frequently, making maintenance costs higher for Kangen K8 users over time as compared to Aqua Ionizer Deluxe 9.5 users who will only need to replace theirs occasionally saving them money in maintenance costs in the long run. 

If you prioritize low-maintenance machines, then the Aqua Ionizer Deluxe may be your best bet, but If you do not mind frequent upkeep for optimal performance and exceptional results, then consider investing in a high-end model like Kangen K8.


After considerable research on ionizers, we believe the Aqua Ionizer Deluxe 9.5 is the better option as it is budget-friendly and gives you all you need for the best quality water. 

Alkaline Water Production vs. Acidic Water Production

Alkaline and acidic water production are two processes used to create water with different pH levels. Alkaline water typically has a pH level greater than 7, while acidic water has a pH of less than 7.

Alkaline Water Production vs. Acidic Water Production

There are several methods for producing alkaline water, including electrolysis and adding alkaline minerals. Electrolysis involves passing an electric current to separate the water into acidic and alkaline components. The alkaline part is then collected and used as alkaline water. Adding alkaline minerals, such as calcium, magnesium, and potassium, to water is another method for producing alkaline water. These minerals increase the pH level of the water, making it more alkaline.

Acidic water production is also achieved through electrolysis, but the acidic component is collected instead of collecting the alkaline component. The resulting water has a pH level of less than seven and is often called “acidic” or “ionized” water. This type of water is sometimes used in industrial applications but is not typically consumed by humans.

While some proponents of alkaline water believe it provides health benefits, such as improved hydration and a boost to the immune system, there is limited scientific evidence to support these claims. Additionally, excessive consumption of alkaline water can lead to alkalosis, a condition in which the blood becomes too alkaline, which can cause nausea, vomiting, muscle twitching, and other symptoms.

Both alkaline and acidic water production can be achieved through various methods, including electrolysis and adding minerals. However, while alkaline water has gained popularity recently, limited scientific evidence supports its claimed health benefits.

Final Words

In conclusion, both the Aqua Ionizer Deluxe 9.5 and the Kangen K8 are high-quality water ionizers that offer a range of health benefits by producing alkaline, antioxidant-rich water. While both machines share similar features, such as multiple pH settings, easy installation, and a compact design, some key differences may impact your decision.

The Aqua Ionizer Deluxe 9.5 is more affordable and offers a broader range of pH levels, including highly alkaline water, which may benefit some users. On the other hand, the Kangen K8 boasts a higher antioxidant potential and a larger electrode plate surface area, which may lead to better ionization and faster water production.

Choosing these two water ionizers will ultimately depend on your needs and budget. You must do your research, consider your preferences, and check with a healthcare professional before deciding which water ionizer is right for you.

Frequently Asked Questions:

1. What is the difference between water purifier and ionizer??

A water purifier removes impurities such as bacteria, viruses, chemicals, and minerals from water, making it safe for consumption. On the other hand, an ionizer is a device that alters the pH level of water by adding or removing ions, typically by using electrolysis. While both devices may improve water quality, they serve different purposes and use other methods to achieve their goals.

2. Where is Aqua ionizer manufactured?

The location of manufacture for Aqua ionizers may depend on the model and brand. But Real Spirit USA, Inc is the parent company located in Reno, Nevada. It is best to check the product information or contact the manufacturer directly to determine the manufacturing location for a particular Aqua ionizer.

3. Is it safe to drink ionized water?

Yes, it is generally safe to drink ionized water. Ionized water is created by running regular tap water through an ionizer machine, which uses an electrical current to separate the acidic and alkaline components. Some believe the resulting alkaline water has health benefits, such as improved hydration and increased antioxidant properties. However, there is currently limited scientific evidence to support these claims. Additionally, it is essential to note that ionized water should not be used as a substitute for normal drinking water for medical treatment or medication. Overall, while ionized water is safe to drink, it is crucial to cautiously approach claims about its health benefits and consult with a healthcare professional if you are making changes to your diet or health regimen. 

4. Who should avoid drinking alkaline water?

Individuals with some medical conditions or who are taking certain medications should avoid drinking alkaline water. These include individuals with kidney disease or undergoing dialysis and taking medicines that affect their electrolyte balance, such as diuretics or chemotherapy drugs. Consult with a healthcare professional before significantly changing your diet or water consumption. 

5. How to install the aqua ionizer under the sink?

Installing an Aqua Ionizer under the kitchen sink typically involves the following steps:

  1. Turn off the water supply before disconnecting the existing faucet from the sink.
  2. Install a T-valve to the cold water line and connect the Aqua Ionizer to the T-valve.
  3. Mount the ionizer unit to the cabinet wall and connect the water inlet and outlet hoses.
  4. Install the new faucet with the Aqua Ionizer, or reconnect the existing faucet if desired.
  5. Test the unit for leaks and turn on the water supply.

It’s important to carefully read and follow the installation instructions provided by the manufacturer and to seek the assistance of a professional plumber if you’re not comfortable with plumbing work.

5. Does Aqua ionizer deluxe 9.0 remove fluoride?

The Aqua Ionizer Deluxe 9.0 water ionizer does not mention fluoride removal as one of its features. Therefore, it may not be effective in removing fluoride from water. It is recommended to use a water filtration system specifically designed and certified for fluoride removal if you are concerned about the presence of fluoride in your water.

5. How to clean K8 Kangen machine?

To clean a k8 kangen machine, unplug the unit from the power source. Next, disassemble the parts that come into contact with the ionized water, such as the electrolysis chamber and water tank. Soak these parts in a mixture of water, vinegar, or citric acid solution for 30 minutes to 1 hour. Rinse the parts thoroughly with water, making sure all residue is removed. Wipe down the exterior of the unit with a clean, damp cloth. Reassemble the machine, and it’s ready for use. It’s recommended to clean the k8 kangen machine every 3-6 months.

About The Author

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Judith— a passionate water treatment specialist — is a waste water management enthusiast, clean drinking water advocate, and someone with deep personal experience and knowledge about various water equipments. Her work was mentioned in countless notable water associations. Previously she was an editor at Water Alliance.