If you drink coffee frequently, you probably go to the kitchen frequently to get your fix. But have you ever considered how filthy a coffee maker in your home or place of business can become after so many uses?
To avoid the development of bacteria, yeast, or even mold, it’s crucial to keep all coffee makers, whether they are single-serve Keurigs, espresso Nespresso machines, or conventional coffee makers, clean.
As long as users follow the cleaning instructions provided by the manufacturer, according to Lisa Yakas, senior product manager of Consumer Products at NSF International, formerly known as the National Sanitation Foundation, these appliances are generally safe.
Mold and yeast like to grow in your coffee maker
One of the dirtiest areas of the kitchen, according to Yakas, is the water reservoir, which is the part of the coffee maker where the water is stored.
A NSF International study of kitchen products in 2011 found that 50% of the sampled reservoirs in coffee makers had mold or yeast.
Yakas said of the families involved in the study, “It wasn’t on their radar.”
According to the U.S. Food and Drug Administration, food borne yeast and mold can be a source of sensitivity for people with allergies and may even cause infections.
Yakas advises to always drain the reservoir of any remaining water and to leave the lid off so that it can dry out.
Yakas stated that some of these organisms prefer these moist and damp locations because that is where they prefer to grow. “If you completely remove that moisture, then you completely remove their growing conditions.” ”.
Her motto is “keep it dry and keep it clean.”
What is White Residue in a Moka Pot?
There are a number of causes for white residue to develop in a Moka pot. Below are some of the most common causes:
The white substance in a Moka pot may actually be leftover coffee grounds and oils from brewing. Over time, these oils and grounds can accumulate and produce the white residue. Despite not being harmful, the residue may change the flavor of your coffee, giving it a sour aftertaste.
Aluminum oxide may also be the cause of the white substance. When water and aluminum come into contact, an oxide film forms on the metal’s surface. Not just aluminum Moka pots, but any aluminum cookware may be affected by the phenomenon. A great way to avoid corrosion is to purchase a stainless steel Moka pot, or you can use your Moka pot on an electric stove.
Another potential reason for the white residue in a Moka pot is mold. This typically happens when the pot isn’t properly cleaned and mold spores are permitted to grow. It’s crucial to regularly clean and maintain the dryness of your Moka pot because mold can be harmful if consumed.
The white residue in a Moka pot can also be brought on by mineral deposits. Your water’s minerals may react with the aluminum of the pot, accumulating as mineral deposits. Although they are safe to consume, they can alter the flavor of your coffee and make it more challenging to clean the pot.
When making coffee, the issue can be easily avoided by using distilled water or filtered water.
One of the most well-liked methods for brewing coffee is the Bialetti Moka pot. They are affordable, easy to use, and produce excellent coffee. The white residue that can accumulate on the pot is one drawback that some people have with them.
According to Bialetti, a reaction between the pot’s aluminum and the water is what produces the white residue. An oxide film may form on the metal’s surface as a result of this reaction. Although this has no impact on the pot’s functionality, it can eventually lead to a buildup of residue.
The company recommends scrubbing the aluminum pots with a brush in a mixture of water and vinegar to remove the residue. Then, rinse the pot with clean water and dry it completely.
Soak the pot in a mixture of water and vinegar
This is the recommended method from Bialetti. Boiling water and vinegar should be used to soak the pot for about 30 minutes. Then, scrub it with a brush to remove the residue. Rinse the pot with plain water and dry it completely. If the residue is still there, try repeating the process.
There are several pot cleaners on the market that can aid in clearing your Moka pot of residue. Just be sure to carefully read the instructions to avoid damaging your pot.
Cleaning your Moka pot with baking soda or a mild dish soap is yet another way to get rid of the residue. Simply combine some with water to create a paste, and then scrub the pot with a toothbrush. Rinse the pot with fresh water and dry it completely.
If all else fails, try cleaning your Moka pot with citric acid. Simply mix one teaspoon of citric acid with some water before adding it to the pot. After about 30 minutes, let it sit before brushing it. Rinse the pot with clean water and dry it completely. You can also use lemon juice as a source of natural citric acid.
Read Also: Moka Pot Brewing Guide