How often should I clean my washing machine to prevent smells?

To prevent smells, aim to run a hot cleaning cycle (60°C or higher) with an empty drum once a month. Additionally, wipe down the door seal and leave the door ajar after each wash. Regularly cleaning the detergent drawer and filter is also advised.

Can I use bleach to clean my washing machine?

Yes, a diluted bleach solution (1 part bleach to 10 parts water) can be used for severe mould on the door seal, but with caution and good ventilation. Never mix bleach with vinegar or other cleaners, as this creates toxic fumes. It's best reserved for stubborn spots rather than general drum cleaning.

Why does my front-loading washing machine smell worse than a top-loader?

Front-loaders are more prone to smells because their watertight rubber door seals trap moisture. This creates an ideal environment for mould and bacteria to grow. Top-loaders, especially those with agitators removed, tend to have better air circulation, though they can still develop odours from residue build-up.

What if the smell is still there after cleaning?

If the smell persists, the build-up might be more severe or located in hard-to-reach internal components like hoses or the drain pump. Re-clean the seal and filter, or consider using a commercial washing machine cleaner. If issues continue, a professional technician may be needed.

How can I stop my washing machine from smelling like mildew?

To prevent mildew smells, always leave the washing machine door open between washes to allow air circulation and drying. Wipe down the door seal after each use, especially on front-loaders. Promptly remove wet clothes from the drum, and run a hot cycle with vinegar or a cleaner monthly.

How to Get Rid of Smell Inside a Washing Machine

Why Does My Washing Machine Smell Bad?

A musty or sour smell emanating from your washing machine is a common household issue, particularly prevalent in front-loading models. This odour typically arises from a build-up of detergent residue, fabric softener, limescale, dirt, and dampness, which creates a breeding ground for mould and bacteria. These microorganisms thrive in the warm, moist environment of the drum and seals, especially if the machine isn't regularly maintained or used incorrectly. Factors like low-temperature washes, using too much detergent, and leaving wet clothes inside for extended periods exacerbate the problem.

Understanding the root cause is the first step towards eliminating the smell. The damp environment, combined with organic matter from clothing fibres and bodily soils, creates the ideal conditions for mildew and odour-causing bacteria to flourish. These microbes deposit themselves on the rubber door seal, inside the drum, and within the detergent drawer, all contributing to that distinctive unpleasant aroma that can transfer to your clean laundry.

The type of washing machine can influence how the smell develops. Front-loaders, with their watertight door seals, are more prone to trapping moisture and developing smells than top-loaders. However, even top-loaders can accumulate residue in the agitator or drum, particularly in the recessed areas where water and dirt can sit undisturbed. The build-up is insidious, often starting subtly before becoming a noticeable problem.

Mould and bacteria cause washing machine smells.
Residue from detergent and fabric softener is a key culprit.
Low-temperature washes and dampness encourage growth.
Front-loaders are more susceptible due to their seals.
Regular maintenance prevents odour build-up.

The Culprits: Residue, Moisture, and Microbes

At the heart of the issue lies the accumulation of detergent and fabric softener. While designed to clean, excessive use leaves behind a sticky residue. This residue, along with lint, hair, and microscopic dirt particles from your clothes, acts as food for bacteria and mould. When combined with the constant presence of moisture, particularly if doors are left closed or cycles are too short to fully dry components, these organisms multiply rapidly.

Low-temperature washes, popular for energy efficiency and fabric care, are another significant factor. While effective for lightly soiled items, they don't always reach temperatures high enough to kill bacteria or dissolve detergent residue completely. Over time, this leads to a persistent layer of grime that harbours smells. Even the water itself can sometimes contribute if it's particularly hard, leaving behind limescale deposits that further trap dirt and moisture.

The rubber door seal on front-loading machines is a notorious hotspot for mould and mildew. Its design traps water, and the folds and crevices are difficult to clean manually. If this seal isn't dried or wiped down regularly, it becomes a primary source of that characteristic mildew smell. For top-loaders, residue can gather around the edges of the drum or under the agitator, creating similar issues.

Materials You'll Need for Cleaning

Before you begin tackling the smell, gather the necessary cleaning agents and tools. Having everything at hand ensures a smooth and efficient cleaning process. You won't need specialised equipment, but a few common household items will make a significant difference in restoring freshness to your washing machine.

For most cleaning tasks, you will need a descaler or white vinegar, and bicarbonate of soda. Both are effective at breaking down residue and neutralising odours. For tougher mould or grime, a specialised washing machine cleaner can be used, though often these natural alternatives suffice. You will also require a clean cloth or sponge, and potentially an old toothbrush or small brush for getting into tight spaces, such as the detergent drawer runners or the rubber seal.

A spray bottle can be useful for applying cleaning solutions, especially to the door seal. If you have a particularly stubborn smell or visible mould, a mild bleach solution might be considered, but caution is advised. Always ensure good ventilation when using bleach and never mix it with vinegar or other cleaning agents, as this can produce dangerous fumes. For general maintenance, however, vinegar and bicarbonate of soda are safer and more environmentally friendly choices.

Essential Cleaning Supplies:

White Vinegar: A natural disinfectant and descaler, effective against mould and limescale. Approximately 500ml (2 cups) is usually sufficient.
Bicarbonate of Soda (Baking Soda): A mild abrasive and effective deodoriser. About 100g (1/2 cup) should be plenty.
Clean Cloths or Sponges: For wiping down surfaces and seals. Microfibre cloths are ideal.
Small Brush or Old Toothbrush: To scrub tight areas like the detergent drawer and door seal.
Optional: Commercial Washing Machine Cleaner: If natural methods aren't sufficient, a purpose-made cleaner can be highly effective.
Optional: Mild Bleach Solution (1:10 bleach to water): Use with extreme caution and only in well-ventilated areas if mould is severe. Never mix with vinegar.

Having these items ready will allow you to proceed with the cleaning methods outlined in the next section without interruption. Remember to check your washing machine's manual for any specific cleaning recommendations or warnings, especially regarding which cleaning agents are safe to use with your particular model, such as a Hisense washing machine or a Logik washing machine.

Method: Deep Cleaning Your Washing Machine

To effectively get rid of the smell inside your washing machine, a thorough deep clean is required, focusing on both the drum and the detergent drawer. This process involves running a hot cycle with cleaning agents to dissolve residue and kill bacteria, followed by manual cleaning of accessible parts.

Begin by removing the detergent drawer. This is often a key area where residue and mould accumulate. Soak it in warm, soapy water for about 30 minutes, then scrub it clean with your brush. For stubborn build-up, a solution of equal parts white vinegar and water, or a paste of bicarbonate of soda and water, can be applied before scrubbing. Rinse thoroughly and dry before replacing it.

Next, tackle the drum. Pour about 500ml (2 cups) of white vinegar directly into the drum. Alternatively, sprinkle about 100g (1/2 cup) of bicarbonate of soda into the drum. Then, run the washing machine on its hottest cycle, typically a 90°C cotton or eco-clean cycle, for at least 90 minutes. This high temperature is crucial for killing bacteria and breaking down accumulated grime.

Step-by-Step Cleaning Process:

Clean the Detergent Drawer: Remove, soak, scrub, rinse, and dry the drawer.
Add Cleaning Agent to Drum: Pour white vinegar or sprinkle bicarbonate of soda into the empty drum.
Run a Hot Cycle: Select the hottest wash programme available (e.g., 90°C cotton cycle) and run for its longest duration.
Clean the Door Seal (Front Loaders): While the cycle runs, use a damp cloth, potentially with a little vinegar or bicarbonate of soda paste, to wipe down the rubber door seal. Pay attention to the folds, pulling back the seal gently to access hidden areas. Remove any visible mould or debris.
Wipe Down the Exterior: Use a damp cloth to clean the machine's exterior surfaces, including the control panel and door glass.
Clean the Filter: Locate the drain pump filter (usually at the bottom front of the machine behind a small panel). Place a shallow tray or towels underneath to catch any water. Carefully unscrew the filter, remove any trapped debris (lint, coins, buttons), rinse it under running water, and screw it back in securely. This is a vital step often overlooked.
Run a Second Rinse Cycle (Optional): After the hot cycle, you can run a short rinse cycle with no detergent to ensure all cleaning residues are flushed out.

After these steps, the interior of your washing machine should be significantly cleaner, and the unpleasant smell should be greatly reduced or eliminated. For very persistent odours, you may need to repeat this process or try a commercial washing machine cleaner. A whirlpool washing machine might have specific instructions in its manual for cleaning the filter or drum.

Check the rubber seal behind the main gasket on front-loaders; mould often hides in this secondary lip.

Maintenance Tips to Prevent Odours

Preventing the recurrence of washing machine smells is far more straightforward than dealing with an established odour. Consistent, simple maintenance habits can keep your appliance smelling fresh and functioning optimally, saving you time and effort in the long run. The key is to minimise moisture, residue, and the conditions that allow mould and bacteria to thrive.

After each wash, it is crucial to leave the washing machine door ajar, especially for front-loading machines. This allows air to circulate, drying out the drum and the rubber seal, and preventing that damp environment where smells begin. If you have a top-loading machine, leave the lid open for a few hours after use. Similarly, pull out the detergent drawer slightly to allow it to dry thoroughly.

Avoid using excessive amounts of detergent and fabric softener. Modern washing machines, especially those designed for energy efficiency, require much less detergent than older models. Using too much not only leads to residue build-up but can also cause excessive foaming, which hinders effective rinsing and can trap moisture. Always follow the manufacturer's recommended dosage, and consider using powder detergents, which tend to dissolve more readily than liquids, or low-suds options.

Regular Preventative Actions:

Leave the Door/Lid Open: Always leave the washing machine door or lid slightly open between uses to allow air circulation and drying.
Dry the Seal: For front-loaders, wipe the rubber door seal dry with a cloth after each wash.
Empty Promptly: Do not leave wet clothes sitting in the drum after a cycle finishes; this creates a perfect breeding ground for mildew.
Use the Right Amount of Detergent: Follow manufacturer guidelines and consider high-efficiency (HE) detergents.
Run Hot Cycles Periodically: Once a month, run a hot wash cycle (60°C or higher) with an empty drum to kill bacteria and dissolve residue.
Clean the Detergent Drawer Regularly: Remove and clean the drawer at least monthly.
Clean the Filter: Check and clean the drain pump filter every 2-3 months.

Incorporating these simple practices into your routine will significantly reduce the chances of unpleasant smells developing. Think of it as regular servicing for your appliance, ensuring it runs efficiently and your laundry always comes out smelling clean. For integrated washing machines, ensure ventilation behind the unit is adequate.

By regularly performing these maintenance tasks, you can ensure your washing machine, whether it's a standard model or a washing machine dryer washer, remains free from odours and functions at its best. This proactive approach is far more effective and less time-consuming than trying to correct a serious odour problem later on.

Troubleshooting Persistent Smells

If you've followed the deep cleaning steps and your washing machine still smells, don't despair. Persistent odours often indicate that the build-up is more severe, or that a specific component is harbouring the problem. It's time for a more focused approach to troubleshooting.

First, re-examine the rubber door seal. Mould can become deeply embedded in the rubber, especially if it's old or damaged. Use a dedicated mould remover for bathroom use or a stronger bleach solution (1 part bleach to 10 parts water, applied with care using a cloth or old toothbrush) for stubborn spots. Ensure you rinse thoroughly with clean water afterwards and leave the door open to dry completely. If the seal is visibly degraded or torn, it may need to be replaced by a qualified technician, as it can no longer form an effective barrier and may be the source of the smell.

Next, consider the internal hoses and pipes. While difficult to access, blockages or mould within the drainage system can cause lingering smells. If you notice slower draining or water pooling after a cycle, the drain hose might be kinked or blocked. You can often disconnect the drain hose (with appropriate precautions for water spillage) and try to flush it out. If the smell persists, the internal pipework may require professional attention. A portable washing machine might have simpler access points for its hoses.

Advanced Troubleshooting Steps:

Intensive Seal Clean: For front-loaders, use a stronger bleach solution or mould remover on the rubber seal if vinegar/bicarb didn't work. Rinse thoroughly.
Check Drain Hose: Ensure the drain hose isn't kinked or blocked. Flush it out if accessible.
Run with Hot Water and Descaler: Use a commercial washing machine descaler or a very hot cycle (if available) to tackle hard water deposits that trap odours.
Ventilation Check: Ensure the area around the washing machine has adequate ventilation; damp, poorly ventilated rooms can contribute to appliance smells.
Inspect for Leaks: Check around the machine for any signs of water leaks, as standing water can promote mould growth.
Consider Professional Service: If none of these steps resolve the issue, it might be time to call a washing machine repair technician to inspect internal components.

Sometimes, the smell is not from the drum but from the ventilation or drainage system. If you've tried all the above and the problem persists, it's worth consulting the machine's manual for model-specific troubleshooting or contacting customer support for brands like Whirlpool washing machine or even for advice on best washing machines in general.

The goal is to restore your washing machine to a neutral state, ensuring your clothes emerge clean and odour-free. Don't be disheartened if it takes a couple of attempts; many persistent smells can be overcome with diligent cleaning and maintenance.