Vinegar in Washing Machine: How to Clean Safely Without Damaging Components

You heard that vinegar is a natural washing machine cleaner, so you started running a cup of vinegar through your machine every week. The drum smelled fresher for a while, but after a few months, the rubber gasket on your front-loader feels sticky and the door doesn’t seal as tightly as it used to. Vinegar is an acid, and regular exposure to acid degrades rubber and metal components over time. Using vinegar in your washing machine is fine if you do it right, but doing it wrong causes damage that’s expensive to fix.

Using vinegar in a washing machine is the practice of adding distilled white vinegar to the wash, rinse, or cleaning cycle to deodorize, remove buildup, or clean the drum. While vinegar can freshen the drum surface and deodorize clothes, it is not a suitable replacement for a dedicated washing machine cleaner because its acidity can degrade rubber seals, gaskets, and hoses over time.

To use vinegar in a washing machine safely, add half a cup to the fabric softener dispenser for the rinse cycle (for fabric benefits), and use a dedicated washing machine cleaner for the drum and internal components. Don’t pour vinegar directly into the drum on a regular basis, don’t use it to replace a commercial cleaner, and don’t mix it with bleach.

What Vinegar Does Well in a Washing Machine

Deodorizes the drum surface. A single hot cycle with vinegar can freshen the drum surface and neutralize mild odors. The acetic acid in vinegar breaks down odor compounds.

Deodorizes clothes in the rinse cycle. When added to the fabric softener dispenser, vinegar deodorizes clothes during the rinse. The vinegar smell disappears during drying.

Removes light mineral deposits. Vinegar’s acidity can dissolve light hard water deposits on the drum surface. For heavy deposits, a commercial descaler is more effective.

Softens fabric in the rinse. Vinegar dissolves detergent and mineral buildup that makes fabric feel stiff. It’s a gentler alternative to fabric softener.

What Vinegar Should Not Do in Your Washing Machine

Don’t use vinegar to clean the drum regularly. While a one-time vinegar cycle can freshen the drum, regular use degrades rubber seals, gaskets, and hoses. The acetic acid in vinegar breaks down rubber compounds over time, causing them to become sticky, brittle, and eventually fail.

Don’t pour vinegar directly into the drum on every load. If you’re using vinegar for fabric benefits (deodorizing, softening), add it to the fabric softener dispenser, not directly to the drum.

Don’t use vinegar as a replacement for a commercial cleaner. Vinegar can’t reach the internal components where most buildup hides. A dedicated cleaner like affresh Washing Machine Cleaner is formulated to reach and clean these areas.

Don’t mix vinegar with bleach. Mixing vinegar and chlorine bleach creates toxic chlorine gas. Never use both in the same cycle.

Don’t use vinegar on every load. Regular use can slowly fade dark colors and may affect rubber components. Use it once a week or on specific loads that need deodorizing.

The Right Way to Use Vinegar in Your Washing Machine

For fabric benefits (deodorizing, softening): Add half a cup of distilled white vinegar to the fabric softener dispenser. The machine releases it during the rinse cycle. This is safe for the machine because the vinegar is diluted in the rinse water.

For a one-time drum freshening (not regular): Pour 2 cups of vinegar directly into the drum and run the hottest cycle. This can freshen the drum surface and remove light odors. Do this no more than once every 3 to 6 months.

For removing buildup from towels: Wash towels with hot water and 1 cup of vinegar (no detergent). The vinegar strips detergent and softener buildup from the towels.

The Right Way to Clean Your Washing Machine

For regular machine cleaning, use a dedicated cleaner, not vinegar:

Drop one affresh Washing Machine Cleaner tablet into the drum and run the hottest cycle. The tablet is formulated to clean the drum, internal tub, drain pump, and hoses without damaging rubber or metal components. Use it monthly.

For the rubber gasket (front-loaders): Wipe the gasket with a cloth dampened with warm water and a small amount of dish soap. Pull back the folds and wipe inside. Don’t use vinegar on the gasket, as the acid can degrade the rubber.

For the detergent dispenser: Remove the drawer and soak it in warm water. Scrub with an old toothbrush. Don’t use vinegar, as it can discolor the plastic.

Comparison: Vinegar vs. Dedicated Cleaner

Feature	White Vinegar	affresh Cleaner
Cleans drum surface	Yes (lightly)	Yes (thoroughly)
Cleans internal components	No	Yes
Safe for rubber seals	No (degrades over time)	Yes
Safe for metal components	Mostly (not regular use)	Yes
Removes heavy buildup	No	Yes
Cost per use	Very low	Low
Recommended frequency	Weekly (rinse only)	Monthly (drum cleaning)

FAQ

Can you put vinegar in the washing machine? Yes, but in the right place and for the right purpose. Add half a cup to the fabric softener dispenser for the rinse cycle to deodorize and soften clothes. Don’t pour it directly into the drum on a regular basis, as the acid can degrade rubber components.

Does vinegar clean washing machines? Vinegar can freshen the drum surface and remove light odors, but it can’t reach internal components where most buildup hides. Regular use can also degrade rubber seals and hoses. Use a dedicated washing machine cleaner like affresh for the drum and internal components.

Can vinegar damage your washing machine? Yes. Regular use of vinegar in the drum can degrade rubber seals, gaskets, and hoses over time due to its acidity. The rubber becomes sticky and brittle, eventually failing. Use vinegar in the rinse cycle for fabric benefits and a commercial cleaner for the drum.

How much vinegar should you use in the washing machine? Half a cup in the fabric softener dispenser for the rinse cycle. Up to 1 cup for a one-time drum freshening (no more than every 3 to 6 months). Don’t use more than 1 cup at a time.

Should you use vinegar or a commercial washing machine cleaner? Use both, but for different purposes. Vinegar in the rinse cycle for fabric benefits. A commercial cleaner like affresh for the drum and internal components (monthly cleaning). Don’t use vinegar as a replacement for a commercial cleaner.

Can you mix vinegar and bleach in the washing machine? No. Mixing vinegar and chlorine bleach creates toxic chlorine gas. Never use both in the same cycle.

How do you clean the rubber gasket on a front-loading washer? Wipe the gasket with a cloth dampened with warm water and a small amount of dish soap. Pull back the folds and wipe inside. Don’t use vinegar on the gasket, as the acid can degrade the rubber. Clean the gasket weekly to prevent mold.

References

1. Maytag. “Stop Using Vinegar to Clean Your Washing Machine.” maytag.com.
2. affresh. “How to Clean Your Washing Machine.” affresh.com.
3. Consumer Reports. “How to Clean a Washing Machine.” consumerreports.org.
4. The Spruce. “How to Use Vinegar in Laundry.” thespruce.com.