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Why Do Washing Machine Door Seals Become Mouldy

Why Do Washing Machine Door Seals Become Mouldy

Washing machine door seals play a crucial role in keeping water inside the drum during a wash cycle. However, they’re also prone to developing mould over time. If you’ve noticed black or slimy patches on your washing machine’s rubber seal, you’re not alone! Let’s dive into why this happens and how you can prevent it.

Why Does Mould Grow on Door Seals?

Mould thrives in damp, warm, and poorly ventilated areas—exactly the conditions found in your washing machine. Here are the main reasons your door seal might become mouldy:

  1. Residual Moisture: After a wash cycle, water often lingers in the folds of the rubber seal. If not dried properly, this creates a perfect breeding ground for mould and mildew.
  2. Detergent and Fabric Softener Buildup: Using too much detergent or fabric softener can leave a sticky residue that traps dirt and moisture, encouraging mould growth.
  3. Low-Temperature Washes: Modern machines often run at lower temperatures to save energy. Unfortunately, cooler water doesn’t kill bacteria and mould spores as effectively as hot water.
  4. Lack of Cleaning: Regular cleaning is essential to keep your washing machine hygienic. Neglecting this can lead to grime building up on the seal.
  5. Closed Door: Keeping the washing machine door closed between cycles traps moisture inside, creating an ideal environment for mould.

How to Prevent Mould on Washing Machine Door Seals

The good news is that with a few simple habits, you can keep your door seal clean and mould-free:

  • Wipe the Seal After Each Wash: Use a clean cloth to dry the rubber seal after every cycle, paying special attention to the folds.
  • Leave the Door Open: Allow the washing machine door to remain slightly ajar when not in use. This improves air circulation and helps the interior dry out.
  • Use the Right Amount of Detergent: Follow the manufacturer’s guidelines for detergent and fabric softener quantities to avoid residue buildup.
  • Run Hot Washes Regularly: Perform a maintenance wash with hot water and no laundry once a month. Adding white vinegar or a specialised washing machine cleaner can help eliminate bacteria.
  • Clean the Seal Weekly: Wipe down the rubber seal with a mixture of warm water and mild detergent. For stubborn mould, use a solution of one part white vinegar to one part water.

How to Remove Mould from Door Seals

If mould has already taken hold, don’t worry! Here’s how to tackle it:

  1. Prepare a Cleaning Solution: Mix equal parts white vinegar and water, or use a commercial mould remover that’s safe for rubber.
  2. Scrub the Seal: Use an old toothbrush or a soft cloth to scrub the affected areas, getting into all the folds and crevices.
  3. Rinse Thoroughly: Wipe the seal with a damp cloth to remove any cleaning solution or loosened mould.
  4. Dry Completely: Use a dry towel to ensure the seal is completely dry before closing the door.

Conclusion

Mouldy washing machine door seals can be a nuisance, but with regular maintenance and a few preventative measures, you can keep your machine fresh and clean. A little effort goes a long way in extending the life of your washing machine and ensuring your laundry stays hygienic.