These 5 Appliances Are Hotspots For Mold: How To Keep Them Clean

When a mold colony develops, it reproduces by releasing microscopic particles called spores into the surrounding area. Think of them like the fluffy white seeds of a dandelion. Thanks to their small size, these spores can zip all over the place, including in our homes.

Like seeds, mold spores are non-living particles and will remain unalive until they land on a surface with the right components for growth. Most species of mold only need two key elements to begin growing: food and moisture. A key detail to remember is that if these two things are present for 24–48 hours, some species of mold can begin to grow. That’s why time is of the essence when it comes to mold prevention.

Appliances are one of the top places for microbial growth because they often contain the components needed for a spore to transition into a living colony. Take a laundry machine, for example. Its soap scum, organic matter from clothing, and mineral buildup offer excellent sources of food. The majority of appliances also collect moisture. The rubber gaskets and small crevices in appliances like coffee makers, for instance, can trap moisture during and after use. To make matters more toxic, bacteria grow in similar conditions to mold and can often be found growing right alongside colonies. Essentially, these machines can quickly become a microbial growth haven.

Once this happens, every time you turn the machine on, you’re blasting all sorts of particles onto clothes, food, and beverage items, as well as throughout your home. That is not a recipe for making your body happy.

Once the mold spore transitions into the world of the living, it will start growing roots called hyphae into the surface it landed on. A reproductive cycle will start up as well, releasing spores into the surrounding area. Some species of mold also release microscopic toxins called mycotoxins, which are harmful to the human body. 

Your body will tag these particles as foreign invaders and send the immune system to get rid of them. However, high volumes of exposure can lead to the immune system malfunctioning or becoming overwhelmed, leading to a long list of potential chronic symptoms. These symptoms can persist as long as the exposure continues.

The issue is that these microscopic particles are small enough to be inhaled, ingested, and absorbed into the body. Just because you can’t see them doesn’t mean that they’re not causing harm to your health. Mold in a refrigerator's water spout is an example: Not only is it lowering your indoor air quality, but it’s also filling your water with all sorts of particles that then make their way into your body every time you take a sip.

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The key way to prevent microbial growth in appliances is to keep them as clean and dry as possible. This eliminates the components needed for growth, preventing organisms like mold and bacteria from moving in. It also helps reduce microscopic particles like spores, which may have blown into the home and landed on the appliance. The faster these particles are removed, the less likely they will develop into living colonies. 

From there, focus on ensuring your appliances are operating properly and don’t have wear and tear. Maintenance issues can lead to excess or trapped moisture, allowing for contaminants to move in.

Here are a few ways to prevent mold on common appliances, but always check the manufacturer’s instructions for recommendations on your specific machine:

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