Drum Clean Washing Machine: How to Tackle Odours

Why Your Washing Machine Drum Needs Regular Cleaning

If you've noticed a persistent musty or unpleasant odour emanating from your laundry, or even from the washing machine itself, the culprit is often a dirty drum. Over time, detergent residue, fabric softener, lint, and limescale can accumulate within the drum and its hidden components. This build-up creates a damp, dark environment perfect for mould, mildew, and bacteria to thrive. Addressing this requires a focused effort to clean the washing machine drum thoroughly. Neglecting this maintenance can lead to clothes not smelling fresh after a wash, potential skin irritations for those with sensitivities, and in severe cases, damage to the appliance's internal parts.

The modern washing machine is a complex piece of engineering designed for efficiency and effectiveness. However, the very conditions that enable it to clean clothes – water, heat, and detergent – can also foster the growth of microorganisms when residue is left behind. This is especially true for lower-temperature washes, which are energy-efficient but may not always reach temperatures high enough to kill bacteria and mould spores. Therefore, understanding how to clean washing machine drums is not just about aesthetics; it's about hygiene and the operational health of your appliance.

Identifying the need for a drum clean is usually straightforward. The most common indicator is a 'smelly washing machine' problem. This might manifest as a damp, gym-sock-like smell on clothes, a sour odour when you open the door, or even visible mould growth around the rubber door seal. Another sign can be reduced cleaning performance, where clothes come out looking clean but don't smell fresh. Regularly running a 'drum clean' cycle, or performing a manual clean, is a preventative measure that can save you future trouble and ensure consistently clean, fresh-smelling laundry.

The Hidden Culprits: Residue and Microbes

Detergent, particularly liquid varieties, can leave a greasy film. Fabric softeners contribute to this, coating internal surfaces. Together with hard water minerals (limescale), they form a sticky layer. This layer traps dirt, lint from clothes, and provides a food source for bacteria and mould. These microbes reproduce rapidly in the dark, humid conditions inside the drum between washes. They are responsible for the characteristic 'soured' smell that many homeowners experience. The rubber seal around the door is particularly susceptible, often showing visible black mould spots. If left unchecked, these issues can spread further into the machine's workings.

The internal workings of your washing machine, including the pump and drain hose, can also become blocked or harbour unpleasant smells. While the drum is the most visible area, a comprehensive clean often requires attention to these less accessible parts too. Regular maintenance, including ensuring the washing machine drum is clean, is the most effective way to prevent these issues from escalating and causing more significant problems down the line.

A clean washing machine drum directly translates to fresher, more hygienic laundry.

When to Perform a Drum Clean

The frequency of drum cleaning depends on several factors, including how often you use the machine, the types of washes you typically run (e.g., low-temperature cycles), the hardness of your water, and the type of detergent used. As a general rule, most manufacturers recommend running a specific 'drum clean' cycle or performing a manual deep clean at least once a month. If you notice any of the tell-tale signs of a smelly washing machine, it's time to act immediately. For machines that don't have a dedicated 'drum clean' setting, a manual method using high heat and a cleaning agent is necessary. Paying attention to your machine and your laundry's scent will help you determine the ideal schedule for your household.

Inspect the rubber door seal regularly for mould or residue. Wipe it down with a damp cloth after each use and perform a deeper clean with diluted vinegar or specialised cleaner weekly.

→ How to Clean Your Washing Machine: A Complete Guide

Materials and Tools for a Spotless Drum

Before you begin the process of cleaning your washing machine drum, gathering the correct materials ensures efficiency and effectiveness. You'll want to have a few key items on hand to tackle the build-up and leave your machine smelling fresh and performing optimally. The chosen cleaning agents are critical, as they need to break down detergent residue, soap scum, limescale, and kill mould and bacteria. It’s not just about making the drum look clean, but ensuring it's hygienically clean.

For most washing machine drum clean routines, the primary cleaning agents are readily available household items or specialised products designed for this purpose. Common and effective options include white vinegar, baking soda, and commercial washing machine cleaning tablets or liquids. Each works differently; vinegar is excellent at breaking down limescale and has mild disinfectant properties, while baking soda is a natural deodoriser and mild abrasive. Commercial cleaners are formulated to tackle a broad spectrum of issues, often combining descaling, deodorising, and antibacterial agents.

Essential Cleaning Agents

• White Vinegar: A staple for household cleaning, it helps dissolve mineral deposits and neutralises odours. Use undiluted.
• Baking Soda: A mild alkali that can be used as a deodoriser and gentle scouring agent.
• Specialised Washing Machine Cleaner: Products like Calgon, Dettol washing machine cleaner, or Dr. Beckmann washing machine cleaner are specifically formulated to remove detergent build-up, limescale, and kill bacteria. They often come in tablet, liquid, or powder form.
• Bleach (Use with Extreme Caution): While effective against mould, bleach can be harsh, damage rubber seals over time, and should never be mixed with vinegar (producing toxic chlorine gas). It's generally recommended to avoid bleach unless specified by the manufacturer and used very sparingly.

Tools for the Job

Beyond cleaning agents, a few simple tools will make the job much easier:

• Microfibre Cloths: For wiping down surfaces, seals, and the detergent drawer.
• Old Toothbrush or Small Brush: Ideal for scrubbing stubborn residue, especially around the door seal and detergent dispenser.
• Gloves: To protect your hands from cleaning agents.
• Bucket or Bowl: To hold cleaning solutions or rinse cloths.
• Measuring Cup: For accurate measurement of cleaning agents if not using pre-portioned tablets.

Having these items ready ensures you can perform a thorough clean without interruption. Always refer to your washing machine's manual for any specific cleaning recommendations or warnings from the manufacturer, as some models might have particular requirements or advise against certain cleaning agents.

The right cleaning agents break down stubborn residue and eliminate odour-causing bacteria.

How to Drum Clean Washing Machine Models: The Method

Cleaning your washing machine drum effectively involves a series of steps designed to purge accumulated grime and eliminate odours. Whether your machine has a dedicated 'drum clean' cycle or not, the principle remains the same: use a cleaning agent, high heat, and a thorough rinse. This process is vital for maintaining appliance performance and ensuring your clothes emerge from the wash genuinely fresh. It’s a task that requires attention to detail, but the reward is a hygienically clean machine and better-smelling laundry.

The specific method may vary slightly depending on your washing machine's make and model, so consulting your user manual is always a wise first step. However, the general approach for a drum clean washing machine procedure usually involves running a high-temperature cycle with a cleaning agent directly in the drum or dispenser. This allows the heat and the agent to work together to dissolve and wash away the residues that cause smells and inefficiency.

Method 1: Using the 'Drum Clean' Cycle

Many modern washing machines feature a dedicated 'Drum Clean' or 'Hygiene' cycle. This is the simplest way to clean washing machine drums as it's specifically programmed for the task. Here’s how to use it:

1. Empty the Machine: Ensure the drum is completely empty of any clothes or laundry items.
2. Add Cleaning Agent: Pour a washing machine cleaner (liquid or powder) directly into the empty drum, or use a recommended cleaning tablet. Some manufacturers suggest placing it in the detergent drawer, so check your manual.
3. Select the Cycle: Choose the 'Drum Clean' or equivalent cycle on your washing machine's control panel. This cycle typically runs at a very high temperature (often 60-90°C) and for a longer duration to ensure thorough cleaning.
4. Start the Cycle: Press the start button and let the machine complete the full cycle. Do not add detergent or fabric softener unless the cleaner's instructions specifically state to do so.
5. Wipe Down: Once the cycle finishes, open the door and wipe down the inside of the drum, the door seal, and the glass with a clean, damp cloth to remove any loosened residue.

Method 2: Manual Cleaning (For Machines Without a Dedicated Cycle)

If your washing machine lacks a specific 'Drum Clean' setting, you can manually replicate the process using a high-temperature wash cycle:

→ What to Use to Clean Your Washing Machine Effectively

1. Empty the Machine: As before, ensure the drum is empty.
2. Add Cleaning Agent: Add approximately 500ml of white vinegar directly into the empty drum. Alternatively, you can use a specialised washing machine cleaner following the product's instructions. Some people use baking soda, but vinegar is generally more effective for limescale and odours. If using both vinegar and baking soda, add the vinegar to the drum and sprinkle baking soda into the detergent drawer. Do NOT mix vinegar and bleach.
3. Select a High-Temperature Wash: Choose the hottest wash cycle available on your machine, typically a 'Cotton' or 'Eco' cycle set to 60°C or higher. Select the longest cycle duration if possible.
4. Run the Cycle: Let the machine complete the entire wash and rinse cycle.
5. Optional Second Rinse: For very dirty machines, you might consider running an additional rinse cycle to ensure all cleaning residues are removed.
6. Clean the Seal and Drawer: While the machine is running its cycle, or afterwards, use an old toothbrush and a diluted vinegar solution (or soapy water) to scrub the rubber door seal and the detergent drawer. Remove and clean the drawer compartment thoroughly.
7. Wipe Down: After the cycle, wipe the interior of the drum and the door thoroughly with a clean cloth.

The key to a successful drum clean is high heat combined with a powerful cleaning agent.

Troubleshooting Common Washing Machine Drum Issues

Even with regular maintenance, you might encounter specific problems with your washing machine drum or its performance. Understanding these issues and their potential causes allows for targeted solutions, helping you maintain hygiene and efficiency. The most frequent complaint is, understandably, persistent odours. However, other problems like residue marks on clothes or unusual noises can also indicate a need for deeper cleaning or attention to the drum's condition.

When troubleshooting, it's essential to differentiate between a drum cleanliness issue and a mechanical problem. If a smell persists after a thorough drum clean, or if you notice leaks, excessive vibration, or drum damage, the issue might be more serious and require professional assessment. However, for common culprits like odours and residue, the cleaning methods described previously are usually highly effective.

Persistent Smells Despite Cleaning

If you’ve performed a drum clean and the unpleasant smell returns quickly, consider these possibilities:

• Incomplete Cleaning: The initial clean may not have been thorough enough to remove all build-up, especially in older or heavily soiled machines. Try running a second, more intensive clean, perhaps using a specialised cleaner.
• Residue in Other Parts: The smell might originate from the drain pump, filter, or hoses rather than just the drum. You'll need to clean the washing machine filter and check the hoses for blockages and build-up.
• Detergent Overuse: Using too much detergent or fabric softener can contribute significantly to residue build-up. Switch to a high-efficiency (HE) detergent if you have an HE machine, and use the recommended dosage.
• Low-Temperature Washes: Frequent washing at temperatures below 40°C doesn't effectively kill bacteria. Ensure you regularly run hot washes (60°C or higher) for your drum clean and for heavily soiled items.
• Water Hardness: In areas with hard water, limescale can build up rapidly, exacerbating residue issues. Using a limescale inhibitor like Calgon can help prevent this.

Residue Marks on Laundry

If you notice white or greyish marks on your clothes after washing, it could indicate undissolved detergent or excessive fabric softener. This is often linked to residue build-up in the drum or dispenser.

• Check Detergent Drawer: Ensure the detergent drawer is clean and not blocked, allowing detergent to be dispensed correctly.
• Dosage: Verify you are using the correct amount of detergent for your load size and water hardness.
• Wash Temperature: Hotter washes (60°C+) help dissolve residues more effectively.
• Drum Cleanliness: A clean drum is less likely to leave marks.

Cleaning the Washing Machine Filter

The washing machine filter, usually located at the bottom front of the machine behind a small panel, traps lint, coins, and other debris. A clogged filter can impede drainage, leading to water remaining in the drum and contributing to odours and poor rinsing. How to clean a washing machine filter:

1. Prepare for Water: Place towels and a shallow tray under the filter access panel, as water will likely drain out.
2. Open Panel: Carefully open the access panel.
3. Drain Water: Most machines have a small drain hose next to the filter. Use this to drain the majority of the water into your tray.
4. Unscrew Filter: Slowly unscrew the filter. It might be tight.
5. Clean Filter: Remove all debris from the filter and wash it under running water. Use an old toothbrush if necessary.
6. Replace Filter: Screw the clean filter back in securely and close the access panel.

Addressing filter blockages is crucial for preventing water retention and subsequent odours.

Preventative Maintenance: Keeping the Drum Fresh

Once you've successfully cleaned your washing machine drum, the goal is to keep it that way. Preventative maintenance is key to avoiding the return of odours and ensuring your appliance operates efficiently for years to come. This involves adopting a few simple habits into your laundry routine that minimise the conditions favouring mould, mildew, and residue build-up. It’s far easier to maintain a clean machine than to tackle a deeply ingrained problem later on.

The core principle behind preventing a smelly washing machine is to reduce moisture and residue left behind after each wash. This means not only cleaning the drum itself but also paying attention to the door seal, detergent drawer, and ensuring proper ventilation. Small, consistent actions can make a significant difference in the long-term health and freshness of your washing machine. Think of it as daily hygiene for your appliance.

→ Beko Washing Machine Detergent Drawer Issues & Solutions

Post-Wash Habits

• Leave the Door Ajar: After each wash, leave the washing machine door slightly open. This allows air to circulate within the drum, drying it out and preventing moisture build-up that encourages mould and mildew growth.
• Wipe Down the Seal: Take a moment to wipe down the rubber door seal with a dry cloth. Pay particular attention to the folds where water and lint can accumulate. This simple act can significantly reduce mould formation.
• Dry the Dispenser Drawer: Briefly pull out the detergent and fabric softener drawer, wipe away any excess moisture or residue, and leave it slightly ajar or reinsert it loosely.

Smart Washing Practices

• Use the Right Amount of Detergent: Overusing detergent, especially in high-efficiency (HE) machines, leads to excessive suds and residue. Always follow the manufacturer’s dosage recommendations. Consider using less if your water is soft.
• Opt for High-Temperature Washes Occasionally: While energy-efficient low-temperature washes are common, try to include a 60°C or higher wash cycle at least once a month. This helps kill bacteria and dissolves residues more effectively. This is where the dedicated 'drum clean' cycle shines.
• Avoid Fabric Softener Overuse: Fabric softeners can leave a sticky film. If you notice build-up, try reducing the amount or using a vinegar rinse in the fabric softener compartment instead.
• Don't Overload the Machine: An overloaded machine doesn't rinse effectively, leaving detergent residue behind. Ensure there's enough space for clothes to move freely.

Regular Deep Cleans

Even with daily preventative measures, a scheduled deep clean is essential. Aim to run a dedicated drum clean cycle or manual hot wash with a cleaning agent monthly. This ensures that any residues or microbial growth that escapes daily maintenance is dealt with effectively. For machines in frequent use or those prone to odours, this frequency might need to be increased to every two to three weeks.

Consistent daily habits are the most effective defence against a recurring smelly washing machine.

Washing Machine Cleaner Options: What to Choose

When it comes to cleaning your washing machine drum, you have several options for cleaning agents. Understanding the differences between them can help you choose the most effective solution for your needs. From common household items to specialised commercial products, each has its pros and cons. The best choice often depends on the severity of the problem, your machine's make and model, and personal preference regarding chemicals.

The primary goal of any washing machine cleaner is to break down the organic matter, limescale, and detergent residue that accumulates over time. This build-up harbours bacteria and mould, causing unpleasant odours and potentially affecting the machine's performance. A good cleaner should effectively remove this grime, leaving the drum fresh and hygienic. It’s important to use products designed for washing machines, as harsher chemicals could damage internal components or rubber seals.

Commercial Washing Machine Cleaners

These are specifically formulated for the task and are widely available. They often offer a comprehensive solution for tackling detergent build-up, limescale, and bacteria simultaneously.

• Examples: Calgon, Dettol washing machine cleaner, Dr. Beckmann washing machine cleaner, Finish washing machine cleaner, Astonish washing machine cleaner.
• Forms: Available as tablets, liquids, and powders. Tablets are convenient and pre-measured for a single wash. Liquids offer flexibility in dosage for specific needs. Powders can be good for descaling.
• Pros: Highly effective, designed to target specific issues like limescale and odour, often recommended by appliance manufacturers.
• Cons: Can be more expensive than household alternatives, some users may prefer to avoid chemical cleaners.

Household Alternatives

These are cost-effective and readily available items that can be surprisingly effective for routine cleaning and maintenance.

• White Vinegar: A mild acid that excels at breaking down limescale and soap scum, and it's also a natural deodoriser. Use pure white vinegar (around 500ml) directly in the drum for a hot wash. Never mix vinegar with bleach.
• Baking Soda: A mild alkali and gentle abrasive that helps to neutralise odours and scrub away light grime. It can be used in conjunction with vinegar (add vinegar to the drum, baking soda to the drawer) or on its own.

When to Use What

• For regular maintenance (monthly): A dedicated washing machine cleaner tablet or a simple vinegar wash is usually sufficient.
• For stubborn odours or heavy build-up: A specialised cleaner, potentially used twice or a stronger formulation, might be necessary. Alternating between vinegar and a commercial cleaner can also be effective.
• For limescale issues: Vinegar or a specialised descaling cleaner is most effective.

Always follow the instructions on the product packaging for commercial cleaners. If you're unsure, consult your washing machine's manual for specific recommendations on cleaning agents. Choosing the right product or method ensures you tackle the problem effectively without risking damage to your appliance.

If your washing machine has a very persistent smell that cleaning doesn't resolve, it might be worth checking the pump filter and drain hose for blockages and accumulated sludge.

Selecting the correct cleaning agent ensures effective removal of residue without harming your appliance.