How to Remove Rust from Coffee maker hot Plate

On a chilling morning, starting your day with a cup of hot coffee is such a Joy. Starting a day with refreshment is a necessity for living a wealthy and fulfilled life.

How to remove rust from a coffee maker hot plate, is it a headache for you? If it is then don’t worry. You might think about whether you have to replace your current machine with a new one. But you can easily remove the rust by applying some tricks.

We are aware that coffee is an integral part of our life. So, rusting on the hot plate of your coffee maker could affect the taste of your morning joy, therefore your day.

But the tricks which we have discussed here are easy to apply and the ingredients are cheap and available also.

How to Remove Rust from Coffee maker hot Plate (2)

How does a hot plate work in a coffee maker?

In a coffee maker, a thermal hot plate keeps the coffee hot, filled in the carafe.

Nowadays, in many coffee makers, the hot plate is eliminated because those coffee makers brew the coffee at a temperature of 190-200 degrees. At this temperature leaving your coffee in a carafe over the hot plate means making it bitter.

In old drip coffee makers, there is still the hot plate under the coffee pot. But if you don’t leave your coffee for a prolonged period it works nicely.

How does a hot plate get rusted?

Coffee maker hot plates are a sustainable place for growing rust and flaking off. Unconscious splashes of water while filling the reservoir or spilled coffee on the plate are the main reasons for growing rust on the plates.

Usually, hot plates are metal plates that convert electric energy into heat. Overexposure to moisture or after cleaning the coffee extracts if you don’t dry the plates properly, rust will grow for sure.

How to Remove Rust from Coffee maker hot Plate

We have composed some easy-to-use remedies for cleaning the rust of the coffee maker hot plate. You will be benefited from these tricks as they are very useful. We have mentioned 6 best remedies for cleaning the hot plate

How to Remove Rust from Coffee maker hot Plate

Here they are –

  1. White Vinegar
  2. Oxalic acid
  3. Aluminum foil
  4. Coca-cola
  5. Naval jelly rust remover
  6. Baking soda, Soap, and white vinegar

1. White Vinegar

White vinegar is best for cleaning because they are acidic and don’t contain any color agents. Vinegar itself is a disinfectant and dissociates grease and germs.

White vinegar is widely used for cleaning utensils, rusted stoves, and hot plates. It’s a common component of every household’s kitchen and the remedies are easy to follow with white vinegar. If there is any pungent smell it will deodorize that also.

The steps you need to follow:

  • First, Detach the coffee maker and coffee pot 
  • Then, tear a small piece of old clean cotton cloth 
  • Soak it in the white Vinegar 
  • Place the wet cloth on the rusted hot plate and leave that for an hour
  • Wipe out the hot plate carefully with a rag or paper towel 

After following these steps, your coffee plate will be rust-free and ready to use.

2. Oxalic acid-

If you can use it carefully it could be the best option to use, as oxalic acid is used for cleaning rust commercially. This acid has the properties of bleach, it has been used for years to get rid of rust, and stubborn stains from utensils, hot plates, metal components, and even wood furniture.

  It is known for its disinfectant nature and cleaning properties that’s why it’s a major ingredient of many commercial cleaning products.

Let’s follow the steps for cleaning the rusted hot plate-

  • In the first step, make the oxalic acid solution by pouring the acid into the water
  • Pour 10 ml oxalic acid into 100 ml water 
  • Apply the oxalic acid solution to the rusted area and keep it for 30 minutes
  • Wipe off the entire solution with any cotton cloth or rag
  • You can repeat the cycle if it requires 


  • As it is a dangerous acid make sure you are using gloves while using it.
  • Carefully store oxalic acid solution always in a glass container.
  • Cautiously maintain the ratio of water and acid, while preparing the solution

3. Aluminium Foil

Aluminum foil is a staple component for most folks. If you don’t want to take a risk and want to go with a completely safer option then aluminum foil is a cheaper and obtainable option. 

Aluminum foil is a malleable component. It chemically reacts with the rust, as it has a higher reduction potential. It keeps away the oxygen atoms from the rust and breaks down them.

 The steps of using the disinfectant, Aluminium Foil for cleaning the Rust-

  • Tear a small amount of Aluminium foil
  • Dip the aluminum foil in a clean water 
  • Roll the foil and rub on the rusty area
  • While rubbing, if the aluminum foil gets dirty, grimy, or dry, dip it in clean water or change the foil with a new torn one.
  • Clean the rust with soapy water and clean all the rust with a sponge
  • Rinse the flake with plain water
  • Keep the plate for air dry

4. Coca-Cola-

How to Remove Rust from Coffee maker hot Plate using coca cola
source- unsplash

Coca-Cola is a soft drink that is the most common drink for home parties and frequent outgoings. But its one of the best cleaning elements too. I know you might be wondering how a soft drink could help in removing rust.

But, first understand the chemical properties of Coca-Cola, which contains phosphoric acids. So, the PH is around 2.3 and that is equal to citric acid or white vinegar. The acidic properties of Coca-Cola are similar to Citric acid.

If you don’t have other materials at home on that day and you want to clean the hot plate then try your favorite soft drink.

The steps you have to follow-

  • First, wet the hot plate with Coca-Cola.
  • Keep the Coca-Cola splashes for 30 minutes over the hot plate for a chemical reaction.
  • Wipe out the liquid with rust.
  • Rinse the area with clean water. 
  • Soak the water and air dry.

5. Naval Jelly Rust Remover-

If your coffee maker is highly rusted and you are thinking the above-mentioned tricks will not be able to remove that much rust then tries Naval Jelly. It is a bit costlier option than the others but the most effective way of removing rust.

The main ingredients of Navel Jelly are water, phosphoric acid, and sulphuric acid. Phosphoric acid can convert rust into iron components by chemical reaction. Naval jelly has been used for 40 years to remove rust from metal components.

It can remove rust and grime from barbeque grills, utensils, antiques, etc. It is also used in automobile factories.

The process of using Naval Jelly Rust Remover-

  • Unplug the coffee machine and detach the hot plate 
  • Wash the rusted hot plate with clean water 
  • Paint the plate with Naval jelly using a brush
  • Leave the paint to work at least for 15 minutes 
  • After 15-20 minutes clean the plate with tap water
  • After cleaning air dry the hot plate 
  • If there is still rust in some areas try the method again in those areas.


Naval jelly is a chemically hazardous product. So, while using it take extra care that you don’t get hurt. Always use a brush during use, don’t touch it directly as it could be harmful to your skin.

Take care that you are using it in a well-ventilated area because the inhalation of the fumes is not good at all for your respiratory system. Maintenance of the distance while using it is very important.

6. Baking Soda, Soap, and White Vinegar-

How to Remove Rust from Coffee maker hot Plate using Baking Soda, Soap, and White Vinegar

If your hot plate is not heavily rusted but the rust is moderate and you are feeling a substance like white vinegar will not be sufficient to remove all the rust at one use, then add baking soda and soap with it.

The addition of acidic components like baking soda will boost the cleansing process.

Here we go with the following steps-

  • Scatter the baking soda on the rust of the hot plate
  • Pour the white vinegar over it which will cause a foam reaction. Pour the vinegar by placing the coffee maker in the sink.
  • Leave the reaction for 15 minutes.
  • Scrub the rusted area with soap with a scrubber gently so that it will not harm the plate
  • Rinse with clean water, you will be amazed at the result.
  • Leave it for air-dry.

How to prevent rust on coffee maker hot plates?

Prevention is better than cure in every aspect. So, rather than wasting your time cleaning the stubborn rust, you should follow a few things after every use. Those will help to keep your machine as a new one.

  • After brewing the coffee in the carafe there is a little drop-down of coffee. When you remove the carafe immediately the dripping happens over the hot plate, so it gets wet every day. Intake of moisture regularly will grow rust, so remove the wet ground quickly.
  • When we are in a hurry in the kitchen splashes of water and spilled coffee remain here and there on the coffee maker including the metal hot plate. If you leave your machine in these wet conditions. There is a high chance of growing rust.
  • After every cleaning process on your coffee maker, keep that in an open area for air-dry.
  • After every use of the coffee maker, wipe out the hot plate area with tissue paper or rag.


Once anybody’s coffee maker gets rusted they take the headache of how to remove rust from the coffee maker hot plate. Actually though removing rust sounds very difficult but following the above-mentioned remedies will be a cakewalk for you.

We have mentioned almost every easy-to-moderate process for removing rust. It is recommended that after cleaning the rust follow the maintenance rule of the coffee maker.

You can choose any remedy from our list as per the condition of your rusted hot plate and don’t forget to comment on your best method to remove rust from the coffee maker hot plate.

For the full process of whole coffee maker cleaning Click here.

  Also mention which process you are going to try.

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