If your morning coffee has been tasting a little “off,” your coffee maker might be to blame. Over time, minerals and oils build up inside, dulling the flavor and shortening your machine’s life. While vinegar has long been the go-to cleaner, there’s a better way… citric acid. It’s natural, odor-free, and surprisingly effective. Here’s how to use it for a cleaner, fresher brew.

If you start your day with coffee, your coffee maker might just be your most-used appliance. But here’s the thing, most of us don’t think twice about cleaning it until the coffee starts tasting off or the machine slows down. That’s like waiting until your car engine sputters before changing the oil. Regular cleaning isn’t just about better flavor. It’s about keeping your machine running efficiently and safely.

Why Cleaning Your Coffee Maker Matters

Over time, hard water leaves behind scale (those chalky white deposits), and coffee oils turn rancid inside the machine. That buildup doesn’t just affect taste. It can shorten your coffee maker’s lifespan and even harbor bacteria and mold. In fact, a study by NSF International found that half of all coffee maker water reservoirs they tested contained mold or yeast. Let that sink in for a moment… 50%!

Mold and yeast thrive in moist, warm environments, which makes your coffee maker the perfect little science experiment if you skip cleaning. And while that might sound dramatic, it’s not just about “ick” factor. These organisms can cause allergic reactions and other sensitivities.

So if your morning cup sometimes smells funky or tastes a bit… off, your machine may be brewing more than just coffee. The good news? Keeping it clean doesn’t take much.

Citric Acid vs. Vinegar: Which Works Better?

For years, vinegar has been the go-to solution for cleaning coffee makers. It’s cheap, easy to find, and gets the job done… eventually. But if you’ve ever brewed a pot after a vinegar clean, you know the downsides: it takes an entire carafe of vinegar to descale properly, and heating it releases a pungent smell that lingers long after the cycle is finished. Even after multiple rinse cycles, your coffee can still taste… questionable.

I’ve switched to citric acid, and here’s why I’ll never look back. Just a tablespoon or two does the same descaling work as vinegar, but without the overpowering odor. It rinses away easily, so your coffee tastes fresh from the first cup after cleaning.

Most commercial descaling solutions cost a small fortune, but if you peek at the ingredients, they’re basically citric acid dressed up in fancy packaging. Citric acid is natural (harvested from citrus fruit), affordable (a two-pound bag is around $10) and lasts seemingly forever because a little goes a long way.

Bottom line: skip the vinegar. Grab a bag of citric acid, give your coffee maker a quick clean, and enjoy every cup without worrying about funky tastes or lingering smells.

100% Pure Food Grade Citric Acid, 2 LB Bag

How to Clean a Coffee Maker with Citric Acid

Descaling your coffee maker doesn’t have to be a chore, and with citric acid, it’s faster, cleaner, and less stinky than vinegar. Plus, just a small amount goes a long way. About 2 tablespoons works for almost any size machine, giving you roughly a 20% citric acid solution. Here’s a step-by-step guide to keep your coffee tasting fresh and your mornings smooth:

Step 1: Wash removable parts (brew basket, carafe, reservoir).

Remove the brew basket, carafe, and any detachable water reservoir. Give them a good rinse with hot water. Once clean, pop everything back in place.

Step 2: Fill with water, add 2 tbsp citric acid.

Pour water into the reservoir or carafe just like you’re brewing a normal pot. Easy so far, right? Stir in 2 tablespoons of citric acid until dissolved. Close up the reservoir, or pour and start the clean cycle. If your machine doesn’t have a “clean” setting, use the longest, largest brew cycle.

Step 3: Run clean cycle (longest/ largest if no “clean” setting).

Allow the machine to run until all the water is through. This is where the citric acid does its magic, loosening up any stubborn scale and coffee oil residue.

Step 4: Rinse: run 2 water-only cycles.

Empty the carafe and refill the reservoir with fresh water. Run one full cycle to flush out any leftover citric acid. Then, for extra assurance, run a second water-only cycle.

Step 5: Dry and enjoy fresh coffee.

Last up, dump, rinse, dry, and admire your sparkling clean coffee maker. Congratulations, your morning brew just got a serious upgrade!

How Often Should You Descale Your Coffee Maker?

For most of us, a monthly deep clean is ideal. Of course, a few factors can change the game:

Water quality matters. Hard water leads to faster scale buildup, so if your water leaves behind a chalky residue on your glassware, your coffee maker will need more frequent attention. Soft water? You can stretch it a little longer between cleans. Check your user manual too. It often has manufacturer-specific advice you don’t want to ignore.
How often you brew counts. If your machine is running multiple pots a day, it’s working harder and accumulating oils and minerals faster. Even if you’re a solo coffee drinker, think about guests, meetings, or those extra late-night cups. A good rule of thumb: clean at least once every 60 days, and adjust based on your usage.

A monthly clean means your coffee tastes fresh, your machine lasts longer, and you avoid spending money on repairs or replacements.

Easy Maintenance Tips for a Longer-Lasting Machine

A clean coffee maker isn’t just about better-tasting coffee. It’s about keeping your machine working smoothly for years. Follow these simple habits to get the most out of your appliance:

1. Clean regularly.

Scale builds up every time water passes through your machine. Cleaning frequently, even a quick rinse between deep cleans, keeps those deposits from accumulating and prolongs the life of your coffee maker.

2. Keep it dry.

Never submerge your coffee maker in water. If coffee spills, wipe it up right away. Moisture is a breeding ground for mold and bacteria.

3. Wipe with care.

Use only soft cloths or sponges to wipe down the exterior. Abrasive materials can scratch the surface, making your machine look worn and aged long before it actually is.

4. Wash removable parts after each use.

The brew basket, carafe, and any detachable components should be rinsed after every brew. This prevents clogs, keeps old coffee from sneaking into your next cup, and avoids lingering odors.

5. Stick with citric acid for deep cleans.

Citric acid is natural, affordable, and odor-free, making it a perfect alternative to vinegar. A tablespoon or two added to a brew cycle does the same descaling work without the lingering smell. Plus, it’s simple. Just run it through the machine like a normal brew cycle, no coffee grounds needed.

By following these steps, you’ll keep your coffee maker humming along efficiently, and your coffee will taste its absolute best, cup after cup.

how to clean a coffee maker with citric acid pouring a cup

Print How-To Pin How-To

5 from 3 votes

How to Clean a Coffee Maker with Citric Acid

Keep your coffee tasting fresh and your machine running smoothly with this simple, odor-free citric acid method. Faster and cleaner than vinegar, it’s the smart way to descale.

Prep Time5

Brew Time30

Total Time35

Category: Appliance Care, Kitchen Maintenance

Yield: coffee maker

Materials

2 tablespoons citric acid powder
Water enough to fill coffee maker for a full brew cycle

Instructions

Remove the brew basket, carafe, and any detachable water reservoir. Rinse with hot water and replace in the machine.
Pour water into the reservoir as if brewing a full pot of coffee.
Stir in 2 tablespoons of citric acid until dissolved. Start the clean cycle, or use the longest brew cycle if your machine lacks a “clean” option.
Allow the machine to complete the clean cycle.
Empty the carafe, refill the reservoir with fresh water, and run one cycle to rinse. For good measure, run a second water-only cycle.
Dump the water, rinse removable parts under hot water, wipe down the exterior with a soft cloth, and your coffee maker is ready to brew the freshest coffee possible.

Notes

Clean monthly for optimal performance; more often if using hard water or brewing multiple pots daily.
Citric acid is odor-free, natural, and inexpensive compared to commercial descaling solutions.
Avoid submerging the coffee maker in water; spills should be wiped immediately.
Use soft cloths only to prevent scratches and maintain the machine’s appearance.

Question: So, what’s your coffee ritual? When’s the last time you gave your coffee maker some love? Grab a bag of citric acid and give your mornings a fresh start. It only takes a few minutes for better coffee all week.

EverydayCheapskate™ is reader-supported. We participate in the Amazon Services LLC Associates Program and other affiliate advertising programs, designed to provide a means for us to earn from qualifying purchases, at no cost to you.

More from Everyday Cheapskate

budget homework station young boy studying at kitchen dining table

How to Set Up a Homework Station Your Kids Will Actually Use

easy home repairs slow sink drain squeaky hinges sticky drawer

10 Small Home Annoyances You Can Fix in Under 15 Minutes Each

car dashboard diy car interior cleaning wipes

DIY Car Interior Cleaning Wipes That Actually Work Well

Best Coolers for Camping, Road Trips, and Beach Days

How to Pack a Cooler That Stays Cold for 48 Hours

10 Everyday Items You Never Think to Wash (But Should)

a lit sparkler with an american flag in the background 4th of july hacks tips and recipes

34 Fourth of July Recipes and DIY Hacks for a Stress-Free Holiday

wooden die spell july with patriotic decor in background

7 Best Things to Buy in July for Huge Summer Savings

Summer Grilled Peaches with Balsamic and Blue Cheese

Please keep your comments positive, encouraging, helpful, brief,
and on-topic in keeping with EC Commenting Guidelines

Last update on 2026-08-04 / Affiliate links / Images from Amazon Product Advertising API

Linda Wilson says:

October 19, 2025 at 5:33 am

I learned this tip from you some time ago. It’s GREAT! No stinky kitchen. I use it on our drip machine and our Kerig. I also use it to descale the pets water bowls, my humidifier…anything with lime scale. Be sure to give everything a good 2x rinse!

linda says:

October 19, 2025 at 3:01 am

but where, besides amazon, can you get citric acid? my grocery store doesn’t carry it, hardware stores don’t seem to carry it and without a credit card, amazon is a locked door. i’m afraid i’ll have to stick with vinegar.

Mary Hunt says:
October 20, 2025 at 10:52 pm

You can find it in most grocery stores and big box stores like Walmart and Target. Look in the canning section.
- linda says:
  July 1, 2026 at 11:23 am
  
  finally, i did find citric acid at the healthfood store in the next town. 97 cents an ounce! i bought an ounce. my coffee maker only has two settings. on and off. i’ll give it a try anyway and see what happens
Kailea says:
January 25, 2026 at 9:57 pm

I went to multiple grocery stores searching for citric acid, and found it at our local hardware store (our Ace Hardware, specifically). I wish I had know sooner!

Kevin S says:

April 1, 2024 at 5:46 pm

Excellent article. I run a coffee blog, and have seen this a number of times, but have always been skeptical. I only ever use vinegar, but will definitely try this method.

Beverly Kelly says:

November 30, 2023 at 9:52 pm

Would a packet of Lemonade Kool Aide do the same as citric acid.

Mary Hunt says:
November 30, 2023 at 11:04 pm

One packet contains about a teaspoon or so of product, and only a small portion of that is citric acid. Ingredients: Citric Acid, Calcium Phosphate, Maltodextrin, Salt. So you’d need quite a few packets to come up with the amount of citric acid required. How many? I’ll let you figure that out. My advice is to skip the Kool Aid and use pure citric acid.

Alisa Ann Brennan says:

July 7, 2022 at 9:02 am

How would you clean a Keureg? Add the citric acid to the water?

Mary Hunt says:
July 7, 2022 at 10:42 am

Watch for a post on cleaning a Keurig … coming right up soon!

lee says:

July 6, 2022 at 12:44 pm

another question about the bunn coffee maker. Since there is the water reservoir in the back, would you follow the same procedure?

Mary Hunt says:
July 6, 2022 at 1:10 pm

Yes. No need to empty it.

Heather says:

July 6, 2022 at 12:01 pm

Would using True Lemon dehydrated lemon packets be too strong? Or might that work too?

Mary Hunt says:
July 6, 2022 at 1:11 pm

I am not familiar with that product True Lemon. Let us know how that works if you try it.

Karen says:

July 6, 2022 at 8:05 am

Same question: can I use the citric acid method on my keurig?

Mary Hunt says:
July 6, 2022 at 8:54 am

Yes! I am preparing a post specifically to address cleaning a Keurig. Stay tuned …

July 5, 2022 at 7:34 pm

what do you suggest for a bunn coffee maker?

Mary Hunt says:
July 5, 2022 at 9:24 pm

This is the Bunn Coffee Brewer I have. It’s going on 8 years old, has made coffee twice a day every day, and still runs like new. Once you have a BUNN, you’ll never go back. Make sure you realize that the decanter is not included, and must be purchased separately. Check Webstaurant for best pricing.
- Jeanette Czalbowski says:
  October 21, 2025 at 8:15 am
  
  We get best price for Bunn coffee pot on EBAY. Now if only I’d quit breaking the pot when I clean it!!

Michelle says:

July 5, 2022 at 6:46 pm

Can citric acid be used on Keurig coffee makers?

villaproject says:

July 5, 2022 at 4:17 pm

How about Nespresso machines. Their descaler is about $4 to $5 a cleaning.
Their recommendation is about every 5-6 months if you use it twice a day. That’s about $10 per year.

Janette Schumacher says:

July 5, 2022 at 2:18 pm

Same steps for a Keurig?

Margie says:

July 5, 2022 at 2:08 pm

What about cleaning a drip coffee pot with only the basket and pot detachable?

Mary Hunt says:
July 5, 2022 at 3:53 pm

Not sure I understand your question. That’s all the comes apart on my coffeemaker. The carafe (pot) and the filter basket.

Cheryl Hornberger says:

July 5, 2022 at 1:56 pm

Does this work for Keurig coffee makers?

Terry says:

July 5, 2022 at 1:53 pm

Mary, is there a good way to thoroughly clean a Keurig?
Thank you 🙂

How to Clean a Coffee Maker with Citric Acid for Fresher Coffee

Why Cleaning Your Coffee Maker Matters

Citric Acid vs. Vinegar: Which Works Better?

How to Clean a Coffee Maker with Citric Acid

Step 1: Wash removable parts (brew basket, carafe, reservoir).

Step 2: Fill with water, add 2 tbsp citric acid.