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What is Sink Mold?

kitchen sink

As a homeowner, you might sometimes notice a green, brown, or red grime around sinks. This isn’t only unsightly but is a sign of mold growth. Below you’ll discover more about what causes this issue, why it’s a concern, and a few ways to prevent it.

What Causes Sink Mold?

The main culprit behind sink mold is moisture. Because sinks distribute water and often have droplets splashed around them, it encourages spores to grow and spread. The more moisture around the sink, the more severe the mold will be.

Types of Sink Mold

You might be surprised to learn that there are a handful of mold types you’ll need to watch out for.
  • Cladosporium - a brownish mold that can disperse spores into the air.
  • Aspergillus - this often hides in dark, damp sections like drains.
  • Black - a common selection that creates a slimy black film around faucets.
  • Penicillium - a vibrant green type that develops beneath dripping faucets.

Is Sink Mold Dangerous?

In most cases, sink mold isn’t usually fatal. But, it can result in irritating allergic reactions that make you sneeze and cough. Depending on how much mold is present, you also risk it causing major respiratory issues, like asthma and sinusitis.

Preventing Sink Mold

Watch the Humidity: As mentioned above, sink mold primarily thrives in moist areas. Because of this, it’s critical that you monitor the surrounding humidity, especially in bathrooms. To do so, consider investing in a dehumidifier. This will absorb moisture from the air to prevent it from settling around sinks. Clean Mold as Soon as Possible: Another way to keep sink mold from spreading is to wipe it up as soon as you see it. While you can use a clean cloth to do so, also spray some vinegar over the spot. Its antibacterial properties will dissolve spores and sanitize the area. Use Baking Soda and Vinegar: You might also consider pouring a bit of baking soda and vinegar down the drain to destroy any mold growing within the pipes. To do so, mix about ½ cup of each together and put it down the drain. Let it sit for a few minutes and then pour hot water down it to wash it away. Sink mold is a frequent problem that can affect both your health and the durability of your sinks. If you notice your home’s sinks tend to have significant mold growth, call RCS in Santa Rosa, CA. Our team will be happy to inspect the area and clear the space of this serious issue.


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