How to Clean Coffee Stains from Stainless Steel Mug EASY DIY

Stainless steel mugs are commonly used to drink coffee. But the combined effect of the remaining drops of coffee and the use of low-grade detergents might leave a stain on your favorite mugs.

Here we will talk about how to clean coffee stains from stainless steel mug.

Coffee Stain Instant Remover – No need for rubbing
Coffee is one of the popular drinks around the globe. The caffeine in it and coffee taste helps many people through their mornings and extend sleepless nights.

During the long cold days, a mug of hot coffee can comfort like a best friend. And coffee lovers can rejoice that scientists have found out that coffee could help prevent various diseases, too.

How to Clean Coffee Stains from Stainless Steel Mug

You might find that your stainless steel coffee mug looks almost the same even after it’s been in use for years.

However, the only difference would be the coffee stains which is evidence of it’s been used.

If you want your coffee mug without stains and as good as new, then follow the steps below:

Method 1: Steps to Take to Clean Coffee Stains from Stainless Steel Mug

You need baking soda, distilled white vinegar, a piece of rag & warm water before you start the process.

With these simple ingredients, you can clean coffee stains easily by following the steps below.

Make the DIY Cleaning Mixture

You will need around two tablespoons full of baking soda for an average-sized coffee mug. If you have a larger mug, then you might need a little more of it.

Open the lid of the mug (if it has one) and pour two tablespoonfuls of baking soda in the bottom of the stainless steel mug.

You should add ¼ cup of white vinegar into the mug also. You can also use apple cider vinegar instead of white vinegar to remove the stains off the mug.

Wait for a moment until you can see some foam is coming up from the mixture. The mixture of these two elements will soak away the coffee stains.

Your coffee mug will also be deodorized and disinfected by this mixture.

Optional: Shake Your Coffee Mug

This step is if there are lots of stains on the inside of the mug.

You can to cover the mug with its lid. Most travel stainless steel coffee mugs come up with a lid.

But if your mug does not come with any, you can use silicone lid or similar material to close the top of your coffee mug.

With a secure lid, you can shake the mug for 5-7 seconds with the mixture in it.

Wipe the Mug Inside

Now you can use a sponge to clean the stainless steel mug’s inside and outside.

You can use a non-scratch dish sponge. The texture of sponges are better for getting at stains compared to cloth or brush. And the non-scratch will make sure the stainless steel mug is not damaged from cleaning.

You can use a magic sponge to super size the cleaning power.

Let the Mixture Sit

If you found that the stains are stubborn and won’t wipe easily off, saturate it with more vinegar or baking soda.

Pour the Mixture

When you are done with shaking, open up the lid again, and pour out all the mixture from it. You should scour the mug with warm water until it is clean enough.

Rinse the Mug

Once you have sponged the mug well, then rinse it with clean water. Leave the mug upside down to dry.

Bonus Tip: Use Citric Acid

You may find that baking soda and vinegar is not doing enough to break down the coffee stains. First, you can try a higher concentration of vinegar, such as cleaning vinegar. A higher concentration means that it will work on the coffee stain faster.

Second, you can use citric acid. This is a great soak if you don’t want to scrub. Fill up the cup with warm or hot water, then add 1 teaspoon to 1 tablespoon of citric acid in the cup, depending on the size of your stainless steel cup.

This tip is especially useful for those who have hard water stains. Hard water accelerates how much stain gets on your mug!

SuggestHow Home Tip: Keurig Duo Plus Review – Easy To Use Coffee Maker

Removing Coffee Stains from Steel Mug

Method 2: How to Clean Coffee Stains from Mug If You’re in a Hurry?

What if you’re an a hurry to step outside, as most coffee drinkers do in the morning? What will you do when guests are at the door? And you really don’t think it’s a good to serve the coffee in a mug full of coffee stains?

For the hurry situation like this one, there is a shortcut.

You can use a coffee stain remover. It instantly removes coffee stains without any scrubbing, and works well with stainless steel cups.

If you prefer a DIY cleaning solution, here’s what you can do:

  1. Pour Some Baking Soda: You need to pour a little amount baking soda into the bottom of the mug. You can add some warm/hot water to it. Keep adding warm water until the mixture seems like a watery paste.
  2. Sponge the Mug: Use a magic sponge by wetting it in the paste and lightly rubbing it on the stains.
  3. Optional: Shake the Mug: Cover up the mug with its lid and shake it so that mixture gets all over the inside. Now you can rinse the mug the way you always do.
  4. Repeat the Steps: You may repeat step 1 & 2 if any spots were missed.

Coffee is an essential part of a daily routine for many people and coffee lovers know that the best part of waking up is not the coffee mug but the coffee! 

Although stainless steel mugs are long-lasting and relatively easy to clean, it may seem like a well-kept secret on how to clean coffee stains from a stainless steel mug.

Be sure to follow my tips above to remove the coffee stains and get your stainless steel mug sparkling again.

Method 3: How to Clean Coffee Stains from a Stainless Steel Mug with Baking Soda and Hot Water

Cleaning coffee stains from a stainless steel mug can be done with baking soda and a few other household items. That will disinfect and deodorize your mug, along with removing stains. The cleaning process is as follows:

  • Step 1: Bring water to a boil in a large pot and add some baking soda. For average-sized mugs, add about 2 tbsp of baking soda. Add a little more if you have a larger stainless steel mug.
  • Step 2: Turn off the heat once the water has come to a boil. Dip the mug into the hot water. (Take all precautions when dealing with boiling water in the kitchen.)
  • Step 3: Let your mug sit for about 2 minutes before removing it from the pot. 
  • Step 4: Once the mixture has soaked away stains, rinse it and wipe off the remaining residue with a cloth.

That should do the trick. However, you can also use white vinegar instead. ¼ cup of vinegar in water would be enough. Instead of white vinegar, you may add apple cider vinegar to get the stains out of your mug.

Method 4: Use Dishwasher Detergent to Get Rid of Coffee Stains

You can use a dishwasher detergent when you want to remove stains from your mugs. The cleaning agents in dishwasher detergent are more potent and concentrated than dish soap.

All you need to do is fill the mug with warm/hot water up to the coffee stain, add the dishwasher detergent, and let it soak overnight. 

Here are the things you will need for this job and tips on how to use them the right way:

  • 2 tablespoons of dishwashing gel or powder detergent and warm water – After placing your mug in the sink, add detergent and then wait up to 30 minutes for it to loosen the coffee stains.
  • Bottle brush – You can use this for scrubbing the inside of the mug.
  • Rubber gloves – Wear them when you’re working with dishwasher detergent.

Find out if your mug is dishwasher safe. The stainless steel part will be, but it may not be if it has any plastic parts that could warp. Then, select dishwasher pods that tackle coffee stains. Place the mug in the dishwasher and run it with the dishwasher pod on a Normal or Heavy cycle. When you take out your mug from the dishwasher, you will usually find that all of your coffee stains have disappeared!

If not, you can try a more powerful dishwasher pod. It could be because of hard water since hard water reduces the cleaning power of dishwasher cycles. 

Or perhaps it’s time to clean your dishwasher to restore its cleaning abilities. 

Method 5: Get Coffee Stains Out of Your Stainless Steel Mug with Denture Cleanser

Another popular way to remove coffee stains is using denture tablets. These tablets are made of a water-soluble chemicals that dissolves when mixed with water. The cleaner is designed to dissolve in warm liquids and can be used to dissolve coffee stains from mugs, cups, thermoses, and other utensils.

  • Step 1: First, you need to add denture tablets into the mug or cup with coffee stains that you want to clean. Use 1 tablet per cup of water.
  • Step 2: Then add some water. Warm or hot water is preferred. It does not have to be boiling hot.
  • Step 3: Allow it to sit according to the package instructions. This is usually 15 minutes of overnight.
  • Step 4: In the morning, you can use an old toothbrush or bottle brush to lightly scrub away any remaining stains. That’s how you will end up with stain-free mugs!

FAQs

How Do You Remove Coffee Stains from Stainless Steel Mugs with Baking Soda?

Mix 2 tbsp (11 g) of baking soda with 2 tbsp of warm water. Apply the mixture on both the bottom and the walls of the mug. Then allow it to sit for half an hour before scrubbing the mug with a stain removing pad or sponge. Now you can remove the residue by rinsing your stainless steel mug thoroughly with water.

How to Get Coffee and Tea Stains Out of Yeti Mugs?

First, apply 1/4 cup white vinegar or wet baking soda using a stain removing pad. Lightly scrub and then rinse well! Repeat until the stains lift.

Takeaway

That was how to clean coffee stains from a stainless steel mug. I believe the steps mentioned above will help get stains off your stainless steel mug.

If the stain is actually inside scratches and you don’t see much of an improvement from cleaning, use a stain removing pad before deciding it may be time to replace the mug.

Stainless mugs don’t break easily and they usually have added insulation for hot and cold liquids, which makes them great to enjoy a cup of coffee or tea on the go. Stainless steel can stain easily, though. Use these tips and tricks to keep your mug clean. 

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