(GUIDE) Can You Use Distilled Water In Keurig?

Keurig coffee makers have become a popular choice for making quick and easy cups of coffee. However, one question that often arises among Keurig users is whether or not they can use distilled water in their machines. This article will provide a quick answer to the question and also delve into the reasons why water quality is important when it comes to coffee making.

Quick Answer: Can You Use Distilled Water In Keurig

Yes, it is safe to use distilled water in your Keurig machine. However, while distilled water is free of minerals, it lacks the essential minerals that water should have for optimal coffee brewing. Therefore, it is recommended to use filtered water instead of distilled water to ensure the perfect cup of coffee, free of unpleasant tastes and odors.

Understanding The Importance Of Water Quality

The quality of water used in coffee making is essential for the taste and aroma of your coffee. Water contains minerals such as calcium, magnesium, and sodium, along with other elements such as chlorine and fluoride. These minerals can ultimately affect the way your coffee tastes and smells.

The minerals in the water can react chemically with coffee compounds during the brewing process, resulting in a stronger or weaker coffee flavour, depending on the water hardness. Generally, harder water may increase the bitterness and acidity of coffee, while softer water may produce a weaker and blander coffee taste.

In addition to minerals, water can also contain impurities such as heavy metals, chlorine, and organic matter that can affect coffee taste, resulting in a bitter or metallic flavor.

Therefore, it is essential to choose the right quality of water for coffee making. Ideally, the water should be clean, free of impurities, and contain the necessary minerals.

What Is Distilled Water

Distilled water is water that has undergone a purification process, during which all minerals, impurities, and other contaminants are removed through an evaporation and condensation process. This process essentially boils water, then collects and condenses the steam into a clean container. This results in water that is free of minerals, and the impurities are left behind.

Although distilled water is often considered pure water, it may not always be the best choice for coffee brewing. While distilled water is safe for human consumption, the lack of minerals in distilled water can affect the taste and quality of your coffee.

When water lacks minerals, it becomes more acidic, resulting in an unpleasant taste. Water also has a natural pH that affects the coffee quality and taste. Since distilled water doesn’t have any minerals or impurities, it measures at a pH of seven, which is neutral. Unfortunately, coffee requires a pH of around 6.5 for optimal brewing conditions. This makes distilled water with a pH of 7 less optimal for coffee brewing.

It is safe to use distilled water in your Keurig machine. However, distilled water lacks the minerals required to provide optimal brewing conditions for coffee taste. To ensure the perfect cup of coffee, it is recommended to use filtered water instead of distilled water. Filtered water, while still free of impurities, contains the necessary minerals for optimal coffee brewing results. Ultimately, choosing the right water is essential for excellent coffee taste and aroma.

Pros And Cons Of Using Distilled Water In Keurig

Keurig coffee makers have become a staple in many households, offering convenience and a wide variety of beverage options. One common question that arises among Keurig owners is whether it’s safe to use distilled water in their machines. Distilled water, which has been purified through a process of boiling and condensation, is often touted for its purity.

Pros Of Using Distilled Water

  1. Purity: Distilled water is free from impurities, minerals, and contaminants that are commonly found in tap water. This ensures that your coffee machine, including its internal components, stays clean and free from mineral buildup, which can affect performance and taste.

  2. Reduced Scaling: Mineral buildup, or scaling, is a common issue in coffee makers, including Keurig machines. By using distilled water, you can minimize scaling and prolong the lifespan of your appliance, potentially reducing the need for descaling as frequently.

  3. Consistency: Distilled water provides a consistent base for brewing, as it lacks the varying mineral content found in tap water. This can lead to a more consistent taste in your brewed beverages.

Cons Of Using Distilled Water

  1. Lack of Minerals: While some may consider the absence of minerals a benefit, others argue that the lack of minerals and other compounds present in distilled water can impact the taste and quality of the brewed beverage. Some people believe that using distilled water may result in a flat or less flavorful taste in the coffee.

  2. Cost: Distilled water typically comes with a cost, as it involves a process of purification. This can be more expensive in the long run compared to simply using tap water.

How Does Using Distilled Water Affect Your Keurig Machine

Scaling And Mineral Buildup

One of the primary effects of using regular tap water in a Keurig coffee maker is the accumulation of mineral deposits over time. These deposits, known as scaling, can clog the internal tubing, heating elements, and other components of the machine. This not only affects the performance of the Keurig but can also lead to potential damage and the need for more frequent maintenance.

When using distilled water, the absence of minerals reduces the likelihood of scaling. This means that your Keurig machine is less likely to suffer from clogs and potential performance issues caused by mineral buildup.

Taste And Brewing

The mineral content in water can contribute to the taste of your brewed beverages. Some argue that the absence of minerals in distilled water can result in a less flavorful or "flat" taste in the coffee or other beverages produced by the Keurig. Conversely, others believe that the purity of distilled water can provide a cleaner, more consistent taste experience.

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Additionally, the temperature and brewing process in the Keurig can be affected by the composition of the water used. Distilled water, due to its lack of minerals, may behave differently during the brewing process compared to water with a higher mineral content.

Longevity And Maintenance

Using distilled water can potentially extend the longevity of your Keurig machine by reducing the frequency of descaling and the likelihood of mineral-related issues. This can translate to lower maintenance costs and less frequent downtime for cleaning and maintenance.

Can You Use Distilled Water In Keurig

The question of whether you can use distilled water in a Keurig machine ultimately comes down to personal preference and the trade-offs you are willing to make. Here are some considerations to keep in mind:

  1. Manufacturer Recommendations: While Keurig does not explicitly prohibit the use of distilled water in its machines, the company’s guidelines typically recommend using filtered or bottled water. This is an important consideration, as deviating from manufacturer recommendations could potentially affect your warranty or technical support.

  2. Taste Preferences: If you are particularly sensitive to the taste of your brewed beverages and notice a difference when using distilled water, you may want to consider other options such as filtered water to balance taste and machine maintenance.

  3. Maintenance and Longevity: If you prioritize the longevity and performance of your Keurig machine, using distilled water may be a viable option. By reducing scaling and mineral-related issues, you can potentially extend the lifespan of your appliance and minimize maintenance requirements.

  4. Cost Considerations: It’s important to factor in the cost of using distilled water compared to other options. While distilled water may prevent scaling and mineral buildup, it comes with a recurring cost that may be higher than using filtered water from a home filtration system or bottled water.

  5. Balancing Factors: Ultimately, the decision to use distilled water in your Keurig should involve a balance of taste preferences, maintenance considerations, and cost effectiveness. You may also want to experiment with different water sources to find the optimal balance for your taste preferences and machine performance.

Using distilled water in a Keurig machine presents both advantages and potential drawbacks. While distilled water can reduce scaling, prolong the lifespan of the appliance, and provide a consistent base for brewing, it may also impact the taste of the beverages produced. When making the decision to use distilled water, it’s important to consider the manufacturer’s recommendations, personal taste preferences, maintenance requirements, and cost considerations. Ultimately, the choice of water for your Keurig machine should align with your priorities in terms of taste, performance, and maintenance.

How To Check Your Water Quality For Keurig

Keurig coffee makers have become a popular choice for coffee enthusiasts due to their convenience and ease of use. However, one question that often arises is whether it is safe to use distilled water in a Keurig machine.

Distilled water is often touted as the purest form of water, as it is stripped of any impurities and minerals through a process of distillation. Many people prefer distilled water for various purposes, such as drinking or cleaning, as it helps to eliminate any potential contaminants. However, when it comes to using distilled water in a Keurig, there are a few factors to consider.

Before deciding whether to use distilled water in your Keurig machine, it is essential to check the quality of your water. Various factors can influence the water quality, including the source of water and the levels of minerals present. Here are a few steps to check your water quality for Keurig:

  1. Determine the source of your water: Understanding where your water comes from can give you insights into its quality. Water sources can vary, such as municipal tap water, well water, or bottled water.

  2. Identify the mineral content: Hard water, which has a high mineral content, can affect the performance and longevity of your Keurig machine. You can check the mineral content of your water using a water testing kit, which is available at most home improvement stores.

    Alternatively, you can also request a water quality report from your local water utility or hire a professional water testing company to analyze your water samples.

  3. Check for high levels of chlorine: Chlorine is commonly added to tap water as a disinfectant. While low levels of chlorine are generally safe, high levels can impact the taste and odor of your coffee. You can use a chlorine testing kit to determine the chlorine levels in your water.

  4. Assess the water hardness: One of the primary concerns with using hard water in a Keurig machine is the potential buildup of mineral deposits, also known as scale. Hard water can lead to clogged water lines and affect the overall performance of the machine. You can check the water hardness by using a water hardness testing kit or by contacting your local water utility.

    Typically, water hardness is measured in parts per million (ppm) or grains per gallon (gpg). The American Society of Agricultural Engineers provides a classification system for water hardness based on the mineral content:

    • Soft: 0 – 1 gpg or 0 – 17.1 ppm
    • Slightly hard: 1.1 – 3.5 gpg or 17.1 – 60 ppm
    • Moderately hard: 3.6 – 7.0 gpg or 60 – 120 ppm
    • Hard: 7.1 – 10.5 gpg or 120 – 180 ppm
    • Very hard: Above 10.5 gpg or 180 ppm

Based on the results of your water quality assessment, you can make an informed decision about using distilled water in your Keurig machine.

How To Clean Your Keurig If You Use Distilled Water

If you choose to use distilled water in your Keurig machine, it is crucial to clean your machine regularly to prevent any mineral buildup or clogs. Here are the steps to clean your Keurig if you use distilled water:

  1. Unplug and disassemble the machine: Before cleaning, ensure that your Keurig machine is turned off and unplugged. Remove any detachable parts, such as the water reservoir, drip tray, and K-cup holder.

  2. Clean the water reservoir: Empty any remaining water from the reservoir and remove the water filter, if applicable. Wash the reservoir with a mild dish soap and warm water. Rinse it thoroughly to remove any soap residue.

  3. Clean the external parts: Wipe down the exterior of the machine, including the lid and the surface around the dispensing area, with a damp cloth or sponge. Use a mild dish soap if necessary. Avoid using abrasive cleaners or scouring pads that could damage the machine.

  4. Clean the brewing chamber: Use a soft, damp cloth to wipe down the brewing chamber and remove any coffee residue or buildup. Avoid using harsh chemicals or abrasive materials that could damage the machine.

  5. Clean the needle assembly: The needle assembly is responsible for puncturing the K-cup and allowing the water to flow through. Over time, it can get clogged with coffee grounds or mineral deposits. Gently remove the assembly, being cautious not to damage the needle. Wash it with warm, soapy water and use a fine brush, such as a toothbrush, to remove any residue. Rinse it thoroughly and reassemble it.

  6. Reassemble and run a cleansing brew: Once all the parts are clean and dry, reassemble the machine. Fill the water reservoir with fresh distilled water, and place a empty K-cup in the machine. Run a cleansing brew cycle without adding any coffee. This will help to flush out any remaining residue or cleaning solution.

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By following these cleaning steps regularly, you can maintain the performance of your Keurig machine, even if you choose to use distilled water.

Other Water Options For Keurig

If you are hesitant to use distilled water in your Keurig machine or it is not readily available, there are other water options you can consider:

  1. Filtered water: Using filtered water is a popular choice for Keurig coffee makers. You can use a water filter pitcher, faucet-mounted filter, or an under-sink filtration system to remove impurities and improve the taste of your coffee. Filtered water strikes a balance between removing contaminants and preserving the natural mineral content of the water.

  2. Bottled water: Bottled water can be a convenient option for Keurig machines, especially if you are concerned about the quality of your tap water. Look for bottled water with low mineral content to minimize any potential mineral buildup in your machine.

  3. Spring water: Spring water is another viable option for Keurig coffee makers. It is sourced from underground springs and typically has a balanced mineral content. However, be cautious as some spring water brands may have higher mineral levels, which can still lead to scale buildup.

  4. Tap water with added filtration: If you are confident in the quality of your tap water but want to enhance its taste and remove any excess minerals, you can consider using a water filtration system specifically designed for tap water. These systems can attach directly to your faucet or be installed under your sink.

It is important to note that different water sources and filtration methods can vary in terms of mineral content and filtration efficiency. It is advisable to research and choose a water source or filtration system that suits your needs and water quality requirements.

Using distilled water in a Keurig machine is generally safe and can help to minimize potential mineral buildup and clogs. However, it is crucial to assess the quality of your water before making a decision. Checking the mineral content, chlorine levels, and water hardness can provide valuable insights into the suitability of your water for a Keurig machine.

If you choose to use distilled water, regular cleaning and maintenance of your Keurig machine are necessary to prevent any issues caused by mineral deposits. Cleaning the water reservoir, external parts, brewing chamber, and needle assembly, as well as running a cleansing brew, can help keep your machine in optimal condition.

Alternatively, you can explore other water options such as filtered water, bottled water, spring water, or tap water with added filtration. Each option has its pros and cons, so it is important to consider your water quality and personal preferences when selecting the appropriate water source for your Keurig machine.

By taking the necessary steps to ensure the water quality and cleanliness of your Keurig machine, you can enjoy a consistently delicious cup of coffee every time.

Best Practices For Using Your Keurig With Distilled Water

For coffee lovers, the convenience and speed of a Keurig coffee maker are hard to beat. These machines allow you to brew a single cup of coffee or other hot beverage in just minutes. However, many Keurig owners wonder if they can use distilled water in their machines. Distilled water has been purified through a process that removes impurities and minerals, potentially making it a better choice for brewing a perfect cup of coffee.

While it is generally safe to use distilled water in a Keurig machine, there are some best practices you should follow to ensure optimal performance and longevity of your machine.

1. Clean Your Keurig Regularly

Using distilled water in your Keurig can help reduce the build-up of mineral deposits that can affect the taste and performance of your machine. However, it is still important to clean your Keurig regularly to remove any residue or coffee oils that may accumulate over time. Follow the manufacturer’s guidelines for cleaning your specific model, but usually, a weekly cleaning routine is recommended.

2. Rinse Your Keurig Before And After Using Distilled Water

Before using distilled water in your Keurig, it is a good idea to give your machine a thorough rinse. This will help remove any lingering residues from previous brews and ensure a clean brewing process. After using distilled water, also rinse out the water reservoir and run a brew cycle with plain water to remove any potential build-up or leftover traces of distilled water.

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3. Follow The Keurig’s Water Fill Guidelines

It is important to follow the recommended water fill guidelines provided by Keurig. Overfilling the water reservoir can lead to overflow and make a mess. Using too little water may result in a weak or diluted cup of coffee. By following the manufacturer’s guidelines, you can ensure that you are using the right amount of water for each brewing cycle, regardless of whether you use distilled water or tap water.

4. Use Fresh And Quality Coffee

While using distilled water can help improve the taste and flavor of your coffee, it is equally important to use fresh and high-quality coffee beans or K-cups. The quality of the coffee itself plays a significant role in the overall taste of your beverage, and using fresh coffee will ensure the best possible flavor.

5. Consider Descaling Regularly

Even if you use distilled water in your Keurig, mineral deposits can still build up over time. Descaling, or removing these deposits, should be performed periodically to maintain the performance and efficiency of your machine. Most Keurig machines have a descaling option or can be descaled using a solution specifically designed for coffee makers.

What You Need To Know About Using Distilled Water In Keurig

Before you start using distilled water in your Keurig machine, there are a few key considerations to keep in mind.

1. Mineral Content In Water

One of the main reasons people consider using distilled water in their Keurig is to avoid the minerals found in tap water. These minerals, such as calcium and magnesium, can build up over time and affect the taste of your coffee. However, it’s important to note that some minerals actually contribute to the flavor profile of coffee, so using distilled water may result in a slightly different taste.

2. Potential For Bacterial Growth

Distilled water has gone through a purification process that removes impurities, including potentially harmful bacteria. However, once the water comes into contact with the environment, it can no longer be considered sterile. Without minerals and other impurities, distilled water is more susceptible to taking on the flavors and odors of its surroundings. Therefore, it is important to keep the water reservoir and other parts of the machine clean to prevent any bacterial growth or contamination.

3. Cost Considerations

Using distilled water can be more expensive than using tap water in the long run. While the initial cost of distilled water might not seem significant, if you are an avid coffee drinker and use your Keurig multiple times a day, the cost of constantly purchasing distilled water can add up over time. Depending on your budget and usage, you may need to consider whether the benefits of using distilled water justify the increased cost.

4. Environmental Impact

Using distilled water in your Keurig may have an environmental impact due to the production and disposal of plastic bottles. If you choose to use distilled water, consider purchasing larger bottles to reduce the overall amount of plastic waste generated. Alternatively, you can invest in a home water distiller, which allows you to produce your own distilled water and reduce your carbon footprint.


In conclusion, it is generally safe to use distilled water in your Keurig machine. Distilled water can help reduce mineral build-up and potentially improve the taste of your coffee. However, it is important to rinse your machine before and after using distilled water, clean your Keurig regularly, and follow the manufacturer’s guidelines for water fill. Additionally, consider the mineral content of water, potential for bacterial growth, cost considerations, and environmental impact when deciding whether to use distilled water in your Keurig. By following these best practices and being mindful of key considerations, you can enjoy a great cup of coffee using distilled water in your Keurig machine.


Can I Use Distilled Water In My Keurig?

Yes, distilled water can be used in Keurig coffee makers. It is recommended by the Keurig company as an alternative to tap water due to its pure composition.

Why Is Distilled Water Recommended For Use In Keurig Coffee Makers?

Distilled water has a low mineral content, which helps to prevent mineral buildup in the machine. This can prolong the lifespan of your Keurig and improve the quality of your coffee.

Can I Use Other Types Of Water In My Keurig Besides Distilled?

While distilled water is recommended, filtered water can also be used in Keurig coffee makers. Avoid using tap water, as it can contain minerals and impurities that can affect the machine.

Will Using Distilled Or Filtered Water Affect The Taste Of My Coffee?

Yes, using purified water can result in a cleaner, purer taste in your coffee. Tap water may contain impurities and minerals that can alter the flavor of your brew.

How Often Do I Need To Descale My Keurig When Using Distilled Water?

The frequency of descaling depends on the hardness of the water being used. Using distilled water can help reduce the need for descaling, but it is still recommended to descale your Keurig every 3-6 months to ensure optimal performance.

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