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Do I need to descale my Keurig if I use bottled water?

Author

Rachel Ellis

Published Jan 08, 2026

Bottled distilled water

Distilled water is purified and contains less than 1 PPM or parts per million minerals. If you use this water type, you do not have to descale your brewer often. However, you should only use this water for classic and original Keurig brewers.

Do I need a filter in my Keurig if I use bottled water?

No. You can use the Keurig without a water filter and use tap water, if you wish. I use filtered water from my fridge, or purified bottled water (which is more pure that tap water). It has more to do with eliminating any bad taste in the water than anything functional on the brewer.

Can you use bottled water in Keurig?

We recommend using bottled or filtered spring water in your Keurig coffee maker. Coffee and tea are over 98% water so quality water is necessary for a good coffee, tea or iced beverage.

Why does Keurig say do not use distilled water?

The Keurig 2.0 does not tolerate distilled water because it is too pure for its sensor. Due to electrical impulses, the unit may think there is no water in the reservoir. It will continuously alert you to add water. Using filtered tap water is the best option for this type of Keurig.

Do I need to descale coffee machine if I use filtered water?

One of the most common causes of coffee machine failure is limescale build-up inside the system. Therefore, we advise you to regularly use the descaling programme and replace the water filter. Water filters not only prevent limescale or softens the water, but also improve the taste of water.

22 related questions found

Can I use Brita filtered water in my Keurig?

The most convenient filters are the kind that are housed within your refrigerator's water dispenser. If you don't have one of these, try a Brita or Pur filtered water pitcher. Even the Keurig website states that “Bottled or spring water works best when brewing with your Keurig.” Why?

Do Brita filters descale?

It depends on how hard the water is that is going in after it is filtered. If you took my well water and ran it through a Brita, you would have to descale. If you took my dad's tap water in Seattle, you wouldn't have to.

Can I use bottled water in my coffee machine?

Using bottled water in your coffee can be an excellent way to improve your brew's flavor and consistency. Indeed, most bottled water types will retain the minimum mineral content necessary to improve the coffee's overall flavor.

Can you put purified water in a Keurig?

Is purified water good for Keurig? Absolutely! Using purified water from an RO filter or any other filter for that matter will greatly extend the life of your Keurig and also reduce the need for descaling it every so often. Purified water will also result in better tasting coffee.

Is bottled water distilled?

The biggest difference between bottled water and distilled water is that bottled water is meant for drinking and distilled water is not. This is because of the mineral content of each form of water, which is determined by the way in which these products are filtered or purified.

Is it better to use distilled water in a Keurig?

A problem posed by distilled water

However, this isn't the answer either, as most Keurig machines are built with sensors that are meant to detect the mineral content in water. If there's no mineral content, as is the case with distilled water, you'll get an error message.

What is the difference between distilled water and purified water?

Distilled water is a type of purified water that has had both contaminants and minerals removed. Purified water has had chemicals and contaminants removed, but it may still contain minerals.

What kind of water should I use in my coffee maker?

Distilled Water for Coffee

That is why the use of distilled water is best if you're using a coffee maker. There is less build-up of minerals and prevents scaling, which would cause damage to your appliance.

Does a single serve Keurig have a filter?

The popular Keurig coffee machines brew cups of coffee by running water through single-serving plastic cartridges. Each Keurig contains a small charcoal filter, which purifies the water that ends up in your cup of coffee. These filters need to be changed about once every two months.

What happens if you don't change Keurig filter?

What happens if you don't change Keurig filter? If you don't change the Keurig filter the water will become dirtier and less clean over time. So much so that given months overdue of a new filter, the taste can being to change in the coffee you make.

Do all Keurigs have a water filter cartridge?

Yes, most Keurig coffee makers have filters to ensure the water is free of excess chlorine and mineral debris. However, the K-Mini, K-Mini Plus, K15, and Rivo system models do not have replaceable water filters.

How do I descale my Keurig coffee maker?

Descale Solution Pouch:

  1. Pour entire pouch of Keurig Descaling solution into water reservoir.
  2. Add 3 cups (24oz.) ...
  3. Place a large mug on the drip tray. ...
  4. Perform a rinsing brew by lifting and lowering the handle, and selecting the largest brew size.
  5. Repeat step 4 until ADD WATER is illuminated.
  6. Let the brewer rest for 30 minutes.

Is it OK to use distilled water for coffee?

No, you should not use distilled water to make coffee as you would end up with a bitter-tasting coffee. Distilled water is stripped of all the minerals and has very low PPM in it. Without the presence of calcium and magnesium, the flavor of coffee takes a hit.

Can I use spring water in my coffee maker?

Bottled spring water is not only great for the taste of the coffee, but using it will extend the life of the coffee machine.

Is bottled water mineral water?

Bottled water is drinking water (e.g., well water, distilled water, mineral water, or spring water) packaged in plastic or glass water bottles. Bottled water may be carbonated or not.

Is bottled water soft water?

Bottled water is naturally soft, thanks to low levels of calcium and magnesium. Higher levels are often found in municipal water, which is often “softened”—particularly in the United States—to be used at home.

Do you need to descale Brita kettle?

When you notice a hard, chalky coating on the inside of your filter kettle, it is time to descale it. Although the scale is not hazardous, it does alter the flavor of water and makes your kettle less efficient hence shortening its lifespan.

Do water filters remove calcium and magnesium?

Reducing water hardness

To soften the water, the majority of the filter pitchers use ion-exchange resin. It reduces the concentration of both Calcium and Magnesium in water by replacing their ions (Ca+ and Mg2+) with Sodium. As a result, water tastes better and forms less limescale.

What is the best water for a Keurig?

You should never use mineral or spring water in your Keurig® brewer. They both contain high amounts of minerals that your Keurig will not like. Distilled or reverse osmosis (ro) water are excellent choices for brewing coffee in your Keurig®. These are purified waters that containing less than 1 PPM of minerals.

How often should you change filter in Keurig?

For best results, replace your cartridge every 2 months or after 60 tank refills to keep your water tasting pure and chlorine-free. Includes 6 water filter cartridges (12-month supply). Water Filters help remove chlorine from your water and should be changed every 2 months, or 60 tank refills.