You wash your clothes every week, but when was the last time you washed the machine that washes them? If your towels smell musty straight out of the dryer or your whites look a shade of grey, the machine itself is almost certainly the problem. A proper cleaning cycle takes about 15 minutes of hands-on time and uses two things you probably already own.
Why Washing Machines Get Dirty
Every load leaves behind a thin film of detergent residue, fabric softener, body oils, and mineral deposits. In front-loaders, the rubber door gasket traps moisture between cycles, creating an ideal environment for mold and mildew. Top-loaders are less prone to gasket issues but still accumulate buildup inside the drum and around the agitator. The average household runs roughly 300 loads per year — that is 300 chances for residue to layer up. A dedicated cleaning cycle once a month prevents these deposits from becoming permanent.
What You Need: Two Pantry Staples
Skip the specialty washing machine tablets. White distilled vinegar (at least 5% acidity, which is standard grocery-store strength) and baking soda handle the job reliably. Vinegar dissolves mineral deposits and cuts through soap scum. Baking soda is a mild abrasive that neutralizes odors rather than masking them. You will need about two cups of vinegar and a quarter-cup of baking soda per cleaning cycle. A microfiber cloth and an old toothbrush round out the toolkit.
The 15-Minute Cleaning Process
Start by pulling out the detergent dispenser drawer — most slide out with a release tab. Soak it in warm water and a splash of vinegar while you work on the drum. For front-loaders, peel back the rubber door gasket and wipe the inner fold with a vinegar-dampened microfiber cloth. This is where the worst mildew hides, so take your time with the toothbrush in the crevices.
Next, pour two cups of white vinegar directly into the drum (not the dispenser) and run the hottest, longest cycle your machine offers — usually labeled “sanitize” or “heavy duty.” Once that finishes, sprinkle a quarter-cup of baking soda into the drum and run a second short hot cycle. This two-step approach works better than combining them: vinegar breaks down residue first, then the baking soda pass deodorizes and lifts anything that loosened in round one.
While the cycles run, wipe down the exterior, the control panel, and the top lip of the drum opening. Total hands-on effort is about 15 minutes; the machine does the rest.
Keeping It Clean Between Deep Cleans
A monthly deep clean matters, but daily habits cut the problem at the source. After every load, leave the door or lid open for at least an hour so the drum can air-dry — this alone dramatically reduces mildew in front-loaders. Use only the recommended amount of detergent; more soap does not mean cleaner clothes, just more residue. If your machine has a self-clean reminder, turn it on.
If you tackled your dishwasher recently, this pairs nicely as a same-morning project — two appliances cleaned before lunch. And if your laundry routine needs an overhaul, our weeknight laundry system guide lays out a schedule that keeps the pile from building up.
If a tool or supply from the list above is on your “eventually” list, the running deals page is worth a 30-second look before you pay full price somewhere else.
Signs Your Machine Needs More Than a Vinegar Cycle
If the smell persists after two consecutive cleaning cycles, or if you see black spots that will not wipe away from the gasket, the mold may have penetrated the rubber. Replacement gaskets for most front-loader models cost between $30 and $80 and can be swapped with a screwdriver in about 20 minutes. Persistent drainage issues — standing water after a cycle — point to a clogged pump filter, usually accessible behind a small panel at the bottom front of the machine. Check your owner’s manual for the exact location.
Frequently Asked Questions
Can I use bleach instead of vinegar to clean my washing machine?
Yes, chlorine bleach works as a disinfectant. Use half a cup in an empty hot cycle. However, never mix bleach and vinegar — the combination produces chlorine gas, which is dangerous. If you prefer bleach, skip the vinegar step entirely and follow with a plain hot rinse.
How often should I clean my washing machine?
Once a month is the standard recommendation from most manufacturers, including Whirlpool and LG. If you run more than six loads a week or live in a humid climate, twice a month is a safer cadence.
Does this process work for both front-load and top-load machines?
The vinegar-and-baking-soda method works for both. The main difference is that front-loaders need the extra gasket-wiping step, while top-loaders benefit from pausing the cycle mid-fill to let the vinegar soak for 30 minutes before finishing.
Photo by PlanetCare
on Unsplash
This article was written by the SavvyHomeSavings editorial team and reflects
our independent opinions. Some pages on this site contain affiliate links —
read our full Affiliate Disclosure and
Privacy Policy for details on how we operate.