How To Clean A Bunn Coffee Maker? – Step by Step Guide

There is no better way to kick start your day than with a hot cup of coffee. Coffee as a drink is so popular and this is largely attributed to the fact that it’s a mild stimulant. When it comes to making high-quality coffee there is nothing that comes close to a bunn coffee maker. Used for both commercial and personal use this coffee making machine is one of a kind in the generation but just like any other machine, it must be maintained. Bunn coffee maker should be cleaned thoroughly to prevent accumulation of minerals and bacteria. From personal experience, I can attest to the fact that thoroughly cleaning a bunn coffee making machine doesn’t come all natural. You must be equipped with a few skills here and there on how to clean a bunn coffee maker.

Why you should know how to clean a bunn coffee maker? 

As a machine, bunn coffee maker is a bit challenging to understand. Various parts of the machine must be cleaned carefully and follow specific steps. Personally, I own a similar machine. The first time I tried cleaning it without proper guidance I ended up spoiling it and was forced to purchase a new one. I’m one person who has an issue with pride and I was so proud to get help and learn on how to clean a bunn coffee maker did cost me dearly. If you are reading this I’m certain that you won’t fall into my footsteps. How could you when we have prepared a step by step guide on the various ways on how to clean a bunn coffee maker? Back to our subject, why should you clean the machine in the first place?



Bacteria are disease-causing organisms. Whether the bunn coffee maker is for commercial use of personal use with small residues left on the machine, if not cleaned for a while this will be a bleeding stop for bacteria. Astonishing enough is the fact one of the studies found out that, if a bunn coffee making machine is not cleaned for long it is dirtier than bathroom doors and handles. Gross, right!?

The coffee pot lasts longer

If you clean the coffee pot regularly this will remover hard water leftovers that would have later turned into rancid. Rancid corrodes the coffee pot eating it away bit by bit. The effects are not felt immediately before you realize it the coffee pot will be needing replacement. Such a hefty price to pay, one you could have avoided by learning how to clean a bunn coffee maker.

Quality of coffee

Cleanliness is second to Godliness. Just like how you would not prepare food or a drink with dirty utensils the same case applies to bunn coffee maker. If you want to make consistent high-quality coffee then cleaning the machine should be natural to you. Cleaning should not be as a way of maintenance but rather as a routine if you want high-quality coffee.

How often should you clean?

clean coffee maker

Now that you know you should clean your bunn coffee maker the question that arises is, how often should you clean? What is your guess? Personally, when I purchased my bunn coffee maker I stayed for three months without washing it. I was to stay another 3 months without washing but I noticed that the coffee had some foul smell and didn’t taste the same. If you guessed three months or more that answer is so wrong such that there is no redemption for it. So, how often should you clean your bunn coffee maker?

Whenever you use it

Manufacturers recommend that you wash the machine every time after using it. I know this has come as a surprise to you, was also surprised when I learned that the first time. Most parts of a bunn coffee maker can be detached from the machine. The essence of this is to make it easier for you to clean it. By cleaning your machine every day you can be least assured that you shall always make consistently high-quality coffee. All removable parts of the machine need to be washed so as to prevent germs accumulation. If you don’t, accumulated will find their way into your body through the coffee. The good thing with cleaning every time you use the machine is that the procedure is not all that complex. You can clean it over the sink with warm water and soap.

At least once a month

Cleaning your bunn coffee machine every day ensured that it is always in shape and no germs will find their way into your stomach. On the hand, cleaning with warm water and soap doesn’t necessarily get rid of minerals that accumulate in the coffee pot and tubes as a result of hard water. At least once every month you are required to decalcify the machine.

Precautions when cleaning a bunn coffee machine

The following are some of the things you need to be aware of when your bunn coffee maker;

  • All grinders must be unplugged before you can start cleaning the machine. Never attempt to clean when still plugged in.
  • Never wash the grinder in a dishwasher
  • Never clean with something rough like steel wool, instead, you should use a soft piece of cloth.

Procedure on how to clean a bunn coffee maker

There are two ways in which you can clean your bunn coffee maker. One of the ways is so as to get rid of lime deposits and the other mineral deposits due to hard water.

A. Cleaning lime deposits

More often than not lime gets deposited on the machine due to the simple fact that water used is not pure. The following are steps on how to clean lime deposits;

  • Start off by unplugging the machine and locating the spray head. Usually, the spray head is just beneath the top of the machine just above where you place the cup when making a cup of coffee. After you have located it you should remove it using your hands clean it with warm and soapy water, rinse then leave it to dry.
  • After removing the spray head, you must have noted that there is a hole. Well, this is where lime deposits and if not cleaned can clog the whole. Use the probe that came along with the machine as an accessory to unclog the hole. If you don’t have a probe a toothpick, biro or a stick will serve the same purpose.
  • Use water if necessary to ensure that the whole is completely unclogged.

After unclogging the whole put back the clean spay head then run clean water in the machine. Ideally, you should run clean water 3 times.

B. Cleaning mineral deposits

The following is a step by step procedure to remove mineral deposits on a bunn coffee maker:

Step 1: Make a mixture of vinegar

If you want to get rid of minerals deposited on a bunn coffee machine, vinegar is the most effective. Make a mixture of vinegar and water in the ration of 1:1 enough to fill the coffee pot. Though vinegar is the most recommended you can still use a mixture of water and baking soda. 

Step 2: Pour the mixture into the machine

Please note that you should always use a filter so as to ensure that no impurities find their way into the machine. The mixture is poured into the water container.

Step 3: Run the machine

Plug in the machine and let it run normally as if making a cup of coffee. This ensures that the mixture reaches every corner of the machine where the minerals could be deposited.

Step 4: Discard it

The mixtures should them be discarded and the machine allowed to cool for approximately 15 minutes. During this time the machine should have been switched off.

Step 5: Rinse the pot

Using cold clean water rinse the water container the machine has cooled for not less than 15 minutes

Step 6: Do it all again with clean water

Repeat the same procedure you did with a vinegar mixture but this time use clean cold water. This thoroughly removes any vinegar that might be left of the machine.

Step 7: Clean as new

After you are through with this procedure there will be no mineral deposits left. This procedure should be done at least once or twice every month.


High-quality coffee is hard to find and you should never jeopardize your chances of making a quality cup of coffee if you have a bunn coffee maker. One of the ways to ensure you make consistently high-quality coffee is if you know how to clean a bunn coffee maker. Cleaning removable parts are all easy cleaning lime and mineral deposits requires skills. Skills of which we have highlighted in a step by step guide on how to clean a bunn coffee maker! If you found this article useful please share it with a friend or two and inform them of the same.

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