How to Delime a Bunn Coffee Maker?

Bunn Coffee Makers have gained a solid reputation for their dependable functionality and attractive appearance. These coffee makers are utilized worldwide in residential homes, workspaces, and coffee shops. Owning a Bunn Coffee Maker means it’s important for you to understand the process of deliming. Deliming involves clearing out any accumulated buildup and calcium deposits from within the machine. Let’s take a look at the steps to delime a Bunn Coffee Maker.

In this article, we will give you a step-by-step guide on the procedure of deliming the Bunn Coffee Maker. Along with that, we will also discuss how to clean the coffee maker on regular basis to keep it in a good shape. So, keep reading the article if you own a Bunn Coffee Maker.

What is Deliming and Why is it Important?

Whatever you call it deliming or descaling, it is one of the essential things to do to keep the machine a good shape. As you know, almost 90% of a cup of coffee consist of just water. Typically, we fill the water reservoir of the coffee maker with water. The water contains a lot of calcium and other minerals. These things can stick inside the device and produce the limes or buildup, whatever you call it.

They can make your coffee taste bad and sometimes may also increase the brewing time. To prevent these issues, it is important to delime the coffee maker. The thing is even you use filtered edible water, there are still chances of the accumulation of the minerals like magnesium and calcium inside the machine. On the other hand, using hard water can increase the accumulation of the minerals at a faster rate.

The buildup inside the machine not only causes your coffee taste and increases brewing time, but it can also even clog the device. Typically, most coffee machines require descaling or deliming after every 60 brewing cycles. That sums up going through the cleaning process once within a month. Speaking of the cleaning process, cleaning and deliming the coffee maker is not the same thing. Deliming process is a bit more thorough and requires some cleaning agents.

How to Delime a Bunn Coffee Maker

As we said, the deliming procedure is going to be a bit heftier than your usual cleaning. You will require vinegar for the deliming. Below, you will find step by step process of deliming the Bun coffee maker:

Step 1: Create Water and Vinegar Solution

The first thing you need to do is to prepare a vinegar-based cleaning solution. You need to mix vinegar with distilled water. The two-third of the cleaning solution should be distilled water where one by third will be the vinegar. Once you prepare the solution, pour it into the coffee pot.

Step 2: Start Brewing

After pouring the vinegar-water solution inside the coffee maker’s water reservoir, you need to start a brewing cycle. As the solution pass inside the mechanism of the machine, it will start eradicating the lime and mineral deposits.

Step 3: Repeat the Process

You may repeat the procedure to be sure that all the buildup is getting removed completely. Collect the solution in the pot and then put it in the water reservoir of the machine. Then run another cycle following the same way you did earlier. After running the brew, collect the brewed solution and dispose of it.

Step 4: Clean Spray Head and Fittings

Now, turn off the coffee maker and unplug it from the wall socket. You might wait a few minutes to let the device cool down if it is hot. After that, you need to clean the spray head and the fittings. Begin with removing the spray and head and then make use of the pointed end of the spray heading cleaning tool to remove the deposits from the open holes.

After doing this, you need to use the long head of the tool to remove the buildup from the spray head and bypass the fitting. Once you are done, put back the spray head in its position to reattach it.

Step 5: Run Rinse Cycles

Once you have successfully completed the above steps, you need to run some rinse cycles. This will help you to get rid of the remaining vinegar inside the machine. This cycle is important to eliminate the vinegar flavor and taste while making coffee in the future. To do this, plug the coffee maker in the electric outlet.

Now turn on the device and then fill the pot with distilled water. Pour the water into the water reservoir of the machine. Then run a new brewing cycle. You can repeat the cycle with fresh distilled water every time to fully eliminate the odor.

How to Clean the Bunn Coffee Maker

In the above, we have discussed how to delime the Bunn Coffee Maker. Now, let’s see how you should perform the usual cleanup:

  1. Begin with turning off and cooling down the device properly. Also, make sure to remove the plug before cleaning.
  2. Begin with cleaning the surface of the machine using a damp cloth. You may use a non-abrasive and mild detergent with warm water for a thorough cleaning.
  3. Make sure to remove the excess water from the damp cloth properly. Then wipe the surface of the Bunn Coffee Maker.
  4. Then use the second damp cloth to wipe the surface to remove the detergents. Afterward, use a dry and clean cloth to dry the surface.
  5. Remove the spray head from the machine. And, clean this part using the same method we have discussed in step 4 of deliming process. Relocate the parts properly once you are done.
  6. Run a brewing cycle with clean water to remove the remaining coffee from the machine. You should do this every day to get the accurate flavor of the coffee every time.


If you are using a Bunn Coffee Maker, make sure that you are performing the maintenance properly to get a long-term performance from the device. We hope that you will find the discussed method of deliming and cleaning the Bunn Coffee Maker effective and useful.