How to Descale Keurig Slim Coffee Maker

Are you tired of your Keurig Slim Coffee Maker not brewing a full cup of coffee or producing a weak and watery brew? If so, it may be time to descale your coffee maker. Descaling is an important maintenance task that helps remove mineral deposits and build-up from the internal components of your Keurig Slim Coffee Maker, ensuring optimal performance and a great-tasting cup of coffee every time. In this blog post, we will guide you through the step-by-step process of descaling your Keurig Slim Coffee Maker, so you can enjoy a delicious and satisfying cup of coffee with ease.

Why Descaling is Important

Prevents mineral build-up

  • Mineral deposits can accumulate over time and clog the internal components of your coffee maker.
  • Descaling helps remove these deposits, ensuring smooth water flow and preventing clogs.

Descaling is an essential process that plays a significant role in the removal of harmful mineral deposits present within various water systems, facilitating an uninterrupted, steady water flow throughout. By diligently undertaking this preventive measure, one can effectively safeguard against potential blockages that may arise as a consequence of these deposits accumulating and causing obstructions.

Improves coffee taste

  • Mineral build-up can affect the taste of your coffee, making it weak and less flavorful.
  • Descaling helps restore the optimal brewing conditions, resulting in a better-tasting cup of coffee.

Mineral build-up in coffee machines refers to the accumulation of minerals, such as calcium and magnesium, that are naturally present in water. When water is heated and passed through the coffee machine, these minerals can precipitate and form deposits on various parts of the machine, including the heating elements, pipes, and internal components.

Extends the lifespan of your coffee maker

  • Regular descaling helps prolong the life of your Keurig Slim Coffee Maker by preventing damage caused by mineral build-up.
  • It also helps maintain the efficiency and performance of your coffee maker.

What You Will Need

Descaling solution

  • Purchase a descaling solution specifically designed for coffee makers.
  • Avoid using vinegar as it can leave a strong odor and taste in your coffee.

You can buy descaling solutions specifically designed for coffee makers from various places. Here are a few options:

1. Online retailers: Websites like Amazon, Walmart, and Bed Bath & Beyond offer a wide range of descaling solutions for coffee makers. You can browse through their selection, read customer reviews, and choose the one that suits your needs.

2. Local kitchenware stores: Visit your nearest kitchenware or home appliance store, and you will likely find descaling solutions for coffee makers in the cleaning supplies section. The advantage of buying from a physical store is that you can ask the staff for recommendations based on your specific coffee maker model.

3. Keurig’s official website: If you have a Keurig Slim Coffee Maker, you can check Keurig’s official website. They often sell descaling solutions that are specifically formulated for their coffee makers. This ensures compatibility and optimal performance.

Remember to check the product details, reviews, and instructions before making a purchase.

Clean water

  • You will need clean water to rinse the coffee maker after descaling.

Mug or container

  • Prepare a mug or container to collect the water and descaling solution during the descaling process.
  • Try using the biggest mug that will fit under the coffee maker so you can capture as much water as possible.

Step-by-Step Guide to Descaling Your Keurig Slim Coffee Maker

Step 1: Prepare the coffee maker

  • Turn off the coffee maker and unplug it from the power source.
  • Remove any remaining coffee pods from the machine.

Step 2: Mix the descaling solution

  • Follow the instructions on the descaling solution packaging to mix the solution with water.
  • The ratio of descaling solution to water may vary, so make sure to read the instructions carefully.

Step 3: Fill the water reservoir

  • Pour the descaling solution mixture into the water reservoir of your Keurig Slim Coffee Maker.
  • Fill the reservoir to the maximum fill line.

Step 4: Run the descaling cycle

  • Place a mug or container on the drip tray to collect the water and descaling solution.
  • Turn on the coffee maker and select the largest cup size.
  • Start the brewing cycle and allow the descaling solution to run through the machine.
  • Repeat this process until the water reservoir is empty.

Step 5: Rinse the coffee maker

  • Refill the water reservoir with clean water.
  • Run multiple brewing cycles with just water to rinse out any remaining descaling solution.
  • Make sure to empty the mug or container between each brewing cycle.

Step 6: Clean the external parts

  • Wipe down the exterior of the coffee maker with a damp cloth.
  • Pay attention to the drip tray, water reservoir, and other removable parts.


Regular descaling is essential for maintaining the performance and longevity of your Keurig Slim Coffee Maker. By following the step-by-step guide outlined in this blog post, you can easily descale your coffee maker and enjoy a delicious cup of coffee every time. Remember to descale your Keurig Slim Coffee Maker at least every three to six months, or more frequently if you notice any issues with the brewing process. Happy brewing!

Yvan Lebrun
Yvan Lebrun

Yvan Lebrun is a trusted expert in the field of product & service reviews. With over a decade of experience analyzing and comparing services online, he shares his valuable experience with readers at GoodSitesLike so consumers can make educated decisions before making a purchase.