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Are you one of the many who've spotted black mould in your washing machine? 

Dealing with black mould in your washing machine is a frequent problem that can be tricky to handle. 

But is black mould in the washing machine dangerous? 

In this blog, we'll take a closer look at what black mould is and the potential risks it poses to your health.

What You Need to Know About Black Mould

Before we get into dealing with black mould in your washing machine, let's figure out what it is. 

Black mould, or Stachybotrys chartarum, is a kind of fungus that grows well in wet and humid places. 

It often shows up in areas with little air circulation and too much moisture, which is why your washing machine can be a great place for it to grow. 

Understanding how black mould thrives can help us take the right steps to keep it at bay and ensure a cleaner, healthier environment for our laundry.

Is Black Mould in Washing Machines Dangerous?

Having black mould in your washing machine may seem harmless, but it could pose serious risks to your health and the appliance itself.

Let’s explore the potential dangers of black mould and why it's essential to address the issue promptly.

Health Risks

Mould spores from black mould can float in the air and trigger respiratory problems, particularly for people with asthma or allergies.

Prolonged exposure to mould can also lead to other health issues like headaches, tiredness, and skin irritation.

Impact on Appliance

Black mould doesn't just affect your health; it can also harm your washing machine.

It can block drainage systems, leading to water backup and potential flooding.

The presence of mould can create unpleasant odours in your laundry and spread to your clothes.

Over time, mould can damage internal components of the washing machine, affecting its performance and lifespan.

Importance of Prompt Action

Addressing black mould in your washing machine promptly is crucial to prevent further complications.

Regular maintenance and cleaning can help prevent mould growth and ensure the efficient functioning of your appliance.

You can safeguard both your health and the longevity of your washing machine by taking action early.

The presence of black mould in your washing machine isn't something to take lightly. 

Not only can it cause health issues like respiratory problems and headaches, but it can also damage your appliance over time. 

Addressing mould promptly and implementing regular maintenance, you can protect both your health and the longevity of your washing machine.

Identifying Black Mould in Your Washing Machine

Before taking any action, it's crucial to determine whether black mould is present in your washing machine. 

Here are some indicators to help you identify its presence

Visible Growth

Black mould can be seen as dark, slimy patches inside your washing machine, especially around the rubber door seal and detergent dispenser. 

These patches may look unpleasant and can spread if not addressed.

Musty Odour

If your washing machine gives off a musty or unpleasant smell, it could be a sign that mould is present. 

This odour may not go away even after washing clothes and could worsen over time if the mould continues to grow.

Allergic Reactions

Mould exposure can trigger allergic reactions in you or your family members. 

Keep an eye out for symptoms like sneezing, coughing, or skin rashes that don't have an obvious cause.

If these symptoms occur frequently when using the washing machine, it's worth investigating mould growth.

Observing visible growth, detecting musty odours, and recognising allergic reactions enable you to take proactive measures to address the issue promptly.

Remaining vigilant and responsive to these signs ensures the safety and well-being of everyone in your household.

Steps to Remove Black Mould from Your Washing Machine

Now that you've confirmed the presence of black mould, it's time to take action. 

Here's a step-by-step guide to effectively remove mould from your washing machine

Safety Precautions

Before you start cleaning

Wear gloves to shield your hands, a mask to cover your mouth and nose, and goggles to safeguard your eyes.

These precautions help prevent you from breathing in or touching harmful mould spores.

Empty the Washing Machine

Take out all your clothes, towels, or anything else that might be inside.

Check every nook and cranny to ensure nothing is left behind.

Having the machine completely empty makes it easier to clean thoroughly.

Prepare Cleaning Solution

Grab a spray bottle and mix equal parts of white vinegar and water.

White vinegar is a safe and natural cleaner that's tough on mould and stains.

Pour the mixture into the spray bottle and shake it well to combine the ingredients.

Scrub the Affected Areas

Spray the cleaning solution onto areas where you see black mould, such as the rubber door seal or detergent dispenser.

Let the solution sit for a few minutes to break down the mould.

Use a soft brush or sponge to scrub away the mould and stains gently but effectively.

Run a Cleaning Cycle

Once you've finished scrubbing, it's time to give the washing machine a thorough clean.

Set the machine to run a hot water cycle, and add a cup of white vinegar to the detergent compartment.

The hot water and vinegar combination will sanitise the machine and kill any remaining mould spores or bacteria.

Air Dry

After the cleaning cycle is complete, leave the washing machine door wide open.

Allowing air to circulate inside the machine helps it dry out completely.

Proper ventilation prevents moisture buildup, which is essential for keeping mould at bay.

Regular Maintenance

Keep black mould from coming back by making cleaning your washing machine a regular habit.

After each use, wipe down the door seal, detergent dispenser, and inside of the machine with a clean cloth or sponge.

Leaving the door open between washes allows any remaining moisture to evaporate, reducing the risk of mould growth.

Ensure the washing machine is completely empty to clean it thoroughly, reaching every corner. 

Use a mixture of white vinegar and water to effectively scrub away black mould, then run a hot water cycle with vinegar to sanitise the machine and prevent future mould growth.

How do I get rid of the black mould in my washing machine rubber?


Dealing with black mould in your washing machine rubber can be challenging, but there are simple steps you can take to remove it:

  1. Mix equal parts water and white vinegar in a spray bottle.
  1. Spray the affected areas generously with the solution and let it sit for 10-15 minutes.
  1. Use a clean cloth or sponge to scrub the rubber, focusing on removing all visible mould.
  1. Wipe down the rubber seal with a damp cloth to remove any remaining vinegar solution and allow it to air dry completely with the door open.

Following these steps helps effectively eliminate black mould from your washing machine rubber and prevent its recurrence.

What causes the rubber on a washing machine to go black?

The rubber on a washing machine turning black is often caused by mould or mildew growth, which thrives in moist and warm environments.

The rubber on a washing machine turns black due to the growth of mould or mildew.

Mould and mildew thrive in moist and warm environments, making the rubber seal of a washing machine an ideal breeding ground.

Accumulated dirt, detergent residue, and water leaks contribute to the growth of mould and mildew on the rubber seal.

Lack of proper ventilation and leaving the washing machine door closed after use can also accelerate the growth of mould, resulting in the rubber turning black.

Accumulated dirt, detergent residue, water leaks, and inadequate ventilation contribute to this issue, emphasising the importance of regular cleaning and proper maintenance to prevent mould growth and keep the rubber seal of your washing machine in good condition.

How do you prevent mould in laundry?

Preventing mould in laundry is crucial for maintaining a clean and healthy home. Here are some simple steps to keep mould at bay.

  • Always remove damp clothes promptly from the washing machine after each cycle to prevent moisture buildup.
  • Allow wet laundry to dry completely before storing it in closets or drawers to prevent mould growth.
  • Clean the washing machine regularly, including the detergent drawer and rubber seal, to remove any mould or mildew build-up.
  • Use a dehumidifier in laundry rooms to reduce moisture levels and keep the area dry, which helps prevent mould growth.

Following these steps, you can effectively prevent mould in your laundry, ensuring clean and fresh-smelling clothes while maintaining a healthy living environment.

Prioritise Your Health with Professional Help

Handling black mould in your washing machine might seem tough, but it's manageable with the right steps. 

Keep an eye out for mould, do regular maintenance, and act fast if you see any signs of it. 

Your health is important, so don't hesitate to get professional help for serious mould issues. 

With a bit of effort, you can keep your washing machine clean and your laundry fresh for years to come.

Causeway Cleaning is committed to providing exceptional service. 

Our team undergoes extensive training and holds accreditations that distinguish us as leaders in Northern Ireland. 

We have certifications from renowned organisations like the Institute of Inspection Cleaning and Restoration and WoolSafe®, guaranteeing the highest standards of quality. 

If you're in need of professional cleaning for mould removal, luxury carpets and rugs, rely on Causeway Cleaning for thorough and reliable service. 
Get in touch with us today to book your cleaning appointment and experience the joy of a fresh and clean home!

Written by admin

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