There’s nothing quite like opening a washing machine and getting hit with a musty smell instead of that clean, fresh scent you expect. That was exactly what happened to me one June, and I knew it was time to give my washer some serious attention.
I had heard that white vinegar could help freshen a washing machine and break down certain mineral and detergent residues. So, I decided to try a simple experiment: I ran my machine’s drum-clean cycle once a week for three weeks.
The results were noticeable, but there was also an important lesson about using household cleaning ingredients in appliances. Here’s what happened, what actually made a difference, and what I would do differently now.
Why I Started Cleaning My Washing Machine With Vinegar
June brought plenty of extra laundry in my household. Sweaty clothes, towels, outdoor clothing, and heavier loads meant my washing machine was working overtime.
Despite regular washing, the machine had developed a faint musty odor. The drum looked reasonably clean, but the rubber door gasket had some residue around it, and the detergent drawer wasn’t as fresh as it should have been.
I wanted to find a simple way to tackle the buildup without turning washing-machine maintenance into another major household chore.
White vinegar seemed like an obvious choice because its acidity can help loosen certain mineral deposits and residues. However, vinegar isn’t automatically the best cleaner for every washing machine, and manufacturers may recommend dedicated washing-machine cleaners instead.
What My Washing Machine Looked Like Before
Before starting the experiment, the washer didn’t look particularly dirty.
The biggest problem was the smell.
Whenever I opened the door after a completed cycle, there was a faint damp or musty odor. The rubber gasket also had a little residue tucked into its folds.
The detergent dispenser had accumulated some leftover detergent, while moisture remained inside the machine after many washes.
These small issues can add up, especially when the door stays closed between loads.
The Warning Signs I Noticed
The main things that convinced me to clean the machine were:
- A musty smell inside the drum
- Residue around the rubber gasket
- Detergent buildup in the dispenser
- Moisture remaining inside after washing
- A generally stale smell after laundry cycles
None of these problems appeared overnight. They were the result of regular use combined with moisture and leftover detergent.
How I Tried the Weekly Vinegar Routine
For my experiment, I emptied the washing machine completely.
I added two cups of white vinegar to the empty drum and selected the machine’s drum-clean cycle. I allowed the cycle to finish completely before opening the door.
Afterward, I left the door open so the interior could dry.
I repeated this process once a week for three weeks.
An Important Note About Vinegar
Before copying this routine, check your washing machine’s owner’s manual.
Some manufacturers specifically advise against using vinegar or other acidic cleaners because repeated exposure may affect rubber components or other parts over time.
For that reason, a washing-machine cleaner recommended by your appliance manufacturer is generally the safer choice for routine maintenance.
What Happened After the First Cleaning
The first thing I noticed was the smell.
The musty odor wasn’t completely gone, but it was noticeably weaker. Opening the washer afterward was much more pleasant.
The drum also appeared fresher, and some of the residue around the interior seemed less noticeable.
I didn’t expect one cleaning cycle to solve everything. Still, the improvement encouraged me to continue observing what happened.
Week Two: The Washer Started Feeling Fresher
By the second week, the difference was easier to notice.
The machine smelled cleaner when I opened the door, and the interior no longer had the same stale odor.
I also paid more attention to areas that the cleaning cycle couldn’t completely handle, particularly the rubber gasket and detergent drawer.
That’s when I realized something important: running a cleaning cycle alone isn’t enough.
The Parts You Still Need to Clean by Hand
Some areas of a washing machine need manual attention.
The rubber gasket can trap moisture, lint, hair, and detergent residue. The dispenser can also develop buildup that an empty drum cycle may not remove.
I wiped these areas separately with a soft cloth and mild soapy water, following the appliance manufacturer’s care instructions.
That combination made a much bigger difference than relying on the drum cycle alone.
Week Three: The Biggest Difference Was the Smell
After the third cleaning, the washer smelled considerably fresher.
The unpleasant musty scent that originally prompted the experiment had largely disappeared.
The drum looked clean, and the gasket appeared better after being cleaned manually.
However, I wouldn’t say that three vinegar cycles magically sterilized the washing machine or removed every trace of mold and bacteria. That’s a claim that household cleaning experiments can’t reliably prove without testing.
What I could clearly observe was a fresher-smelling machine with less visible residue.
Did My Clothes Actually Come Out Cleaner?
This was one of the most interesting parts of the experiment.
My laundry seemed fresher after the machine had been cleaned, particularly towels and heavier fabrics that had previously picked up a faint stale smell.
However, it’s difficult to say that vinegar itself made the clothes cleaner.
A cleaner washing machine can certainly help prevent unpleasant odors from transferring to laundry, but several factors affect how clean clothes become, including detergent, water temperature, wash cycle, load size, and the condition of the machine.
So I noticed a difference, but I wouldn’t treat the experiment as scientific proof that vinegar improves washing performance.
What Happened to the Detergent Buildup?
The detergent drawer was one area where I noticed that manual cleaning was still necessary.
Even when the drum looks spotless, detergent and fabric-softener residue can accumulate inside the dispenser.
I removed the drawer and cleaned it according to the manufacturer’s instructions. A soft brush helped reach corners where residue had collected.
This simple step made the dispenser look much cleaner.
Don’t Forget the Rubber Door Gasket
Front-loading washing machines are particularly prone to moisture remaining around the door seal.
After each load, it’s helpful to inspect the gasket and wipe away visible moisture or debris.
Keeping the door slightly open between loads can also allow the interior to dry more thoroughly, provided the appliance is in a safe location where this won’t create a hazard.
Did Vinegar Remove Mold and Limescale?
This is where I would be careful with the viral cleaning claims you often see online.
Vinegar can help dissolve some mineral deposits because of its acidity, but that doesn’t mean it will remove every type of buildup inside a washing machine.
Likewise, visible mold around a gasket requires proper cleaning, and persistent mold or odor may indicate a deeper problem.
If your machine has significant mold, a persistent bad smell, drainage problems, or unusual performance, it’s better to follow the manufacturer’s cleaning instructions or have the appliance checked.
The Biggest Lesson I Learned About Vinegar
The experiment taught me that a simple cleaning ingredient isn’t necessarily a universal appliance cleaner.
Vinegar is inexpensive and useful for many household cleaning tasks, but washing machines contain rubber seals, hoses, coatings, and other components that manufacturers specifically design and maintain.
Repeatedly exposing those parts to an acidic substance may not be recommended.
That’s why I wouldn’t automatically recommend pouring two cups of vinegar into a washing machine every week.
Instead, I’d check the owner’s manual first.
What I’d Do Differently Next Time
If I were starting over, I wouldn’t immediately commit to a weekly vinegar routine.
I’d begin by checking the manufacturer’s instructions and using the recommended washing-machine cleaning product if one is specified.
I’d also focus on the simple maintenance steps that don’t require special ingredients.
These include cleaning the detergent dispenser, wiping the door gasket, removing visible debris, and allowing the machine to dry properly between loads.
Those habits are easy to maintain and can help prevent odors from returning.
Simple Washing Machine Maintenance Tips
Keeping a washing machine fresh doesn’t have to be complicated.
1. Leave the Door Open After Washing
When practical and safe, leave the washer door open after a cycle so excess moisture can evaporate.
2. Clean the Rubber Gasket
Check the folds of the door seal regularly. Remove lint, hair, and visible residue.
3. Wash the Detergent Drawer
Pull out the dispenser and clean away detergent or fabric-softener buildup according to the appliance instructions.
4. Don’t Overload the Washer
Overloading can prevent clothes and water from moving freely through the drum.
5. Use the Correct Amount of Detergent
More detergent doesn’t necessarily mean cleaner clothes. Excess detergent can contribute to residue buildup.
6. Run the Recommended Cleaning Cycle
Many modern washing machines have a dedicated cleaning program. Use it according to the manufacturer’s instructions.
7. Use a Manufacturer-Approved Cleaner
If your appliance manual recommends a particular washing-machine cleaner, that’s the option I’d choose over experimenting with household acids.
What About Using Vinegar Once a Month?
There’s no universal schedule that works for every washing machine.
Some people use vinegar occasionally without noticing any immediate problems, while some manufacturers advise against using it altogether.
The safest answer is to follow the instructions for your particular model.
If your manufacturer doesn’t recommend vinegar, don’t use it simply because a cleaning hack went viral.
My Final Verdict After Three Weeks
After three weeks, my washing machine definitely smelled fresher.
The biggest improvements came from combining the cleaning cycle with simple maintenance: wiping the gasket, cleaning the detergent drawer, removing residue, and allowing the washer to dry between loads.
The experiment also changed my perspective on viral cleaning hacks.
Just because a household ingredient produces a noticeable short-term result doesn’t mean it’s the best long-term solution for an appliance.
For me, the takeaway wasn’t “vinegar fixes every washing machine.”
It was much simpler: a washing machine needs regular maintenance, and the manufacturer’s cleaning instructions should come first.
If your washer smells musty, start by checking the gasket, dispenser, drainage area, and cleaning-cycle instructions. A few minutes of regular maintenance may make a bigger difference than any viral hack.
FAQs
How often should I clean my washing machine?
The ideal frequency depends on the appliance and how often you use it. Check the owner’s manual for the recommended cleaning schedule and product.
Can I put vinegar in my washing machine?
It depends on the manufacturer. Some washing-machine makers advise against vinegar because its acidity may affect rubber or other components with repeated use. Always check your manual first.
Why does my washing machine smell musty?
A musty smell can develop from trapped moisture, detergent residue, debris, or buildup in areas such as the door gasket and dispenser.
Should I leave my washing machine door open?
Leaving the door open after washing can help the interior dry and reduce lingering moisture. Make sure the door can remain open safely in your laundry area.
How do I clean a washing machine gasket?
Follow the manufacturer’s instructions. In general, visible residue and debris can often be wiped away with a soft cloth and mild soap and water, but avoid harsh chemicals unless the manufacturer approves them.
Does vinegar remove limescale?
Vinegar’s acidity can dissolve some mineral deposits, but its effectiveness depends on the type and amount of buildup. A manufacturer-approved descaling product may be more appropriate for some appliances.
Why does my washing machine still smell after cleaning?
A persistent odor may come from buildup in hidden areas, the drain system, detergent drawer, gasket, or another component. If cleaning according to the manufacturer’s instructions doesn’t solve the problem, professional inspection may be worthwhile.
The Bottom Line
My three-week experiment made one thing clear: don’t ignore a musty washing machine.
Cleaning the washer regularly, keeping the gasket and dispenser free of buildup, allowing the drum to dry, and following the manufacturer’s maintenance instructions can all help keep laundry smelling fresh.
Vinegar may seem like an easy solution, but it’s not automatically suitable for every appliance. Before copying a viral cleaning hack, spend a minute checking what your washing machine manufacturer actually recommends.