How to Eliminate Bad Odor in a Washing Machine

Washing machines can develop musty or sour smells if detergent residues, mold, or mineral buildup accumulate over time. The following guide outlines practical steps to remove odor from both front-load and top-load machines, with product recommendations that align with common cleaning needs.

Consistent maintenance helps prevent recurring smells. Gentle cleaning cycles, proper ventilation, and routine use of appropriate cleaners are key to keeping laundry smelling fresh without harsh chemicals.

Quick Answer

Run a hot washing cycle with a odor-removing cleaner or descaler, clean the door seal and detergent dispenser, then perform a follow-up rinse cycle. Regularly use a targeted cleaner to prevent buildup and keep the drum fresh.

For persistent smells, repeat the process and consider replacing or supplementing with a washing machine drum cleaner powder or a washing machine descaler deodorizer kit.

What You’ll Need

front load washing machine cleaner tablets
washing machine drum cleaner powder
washing machine descaler deodorizer kit

	Washing Machine Cleaner Descaler 24 Pack – Deep Cleaning Tablets For HE Front Loader & Top Load Washer, Septic Safe Eco-Friendly Deodorizer, Clean Inside Drum and Laundry Tub Seal – 12 Month Supply
	OxiClean Washing Machine Cleaner with Odor Blasters, 4 Count

Before You Start

Inspect the door seal for debris or mold and wipe it with a damp cloth. Empty the drum and check that the water supply lines are clear. Use hot water if your machine supports it and you have a compatible cleaner. Always follow label directions on any cleaner and avoid mixing products. Schedule cleaning when you have time for a thorough cycle, as a rushed attempt may miss hidden buildup.

Step-By-Step: How To Eliminate Odor From A Washing Machine

Run an empty cycle with the machine set to the hottest water setting available.
Place a front load washing machine cleaner tablet or a measured amount of washing machine drum cleaner powder in the drum.
Choose a long cycle to maximize contact between cleaner and all drum surfaces.
Pause the cycle halfway to allow time for the cleaner to break down residue around the door seal and hoses.
Let the cycle finish, then wipe the door gasket and inside of the door with a clean cloth.
Run a second hot-water rinse cycle with no laundry to flush lingering cleaner and dislodge loosened buildup.
If any odor remains, use a washing machine descaler deodorizer kit per package instructions to target mineral deposits.
Wipe the detergent dispenser area and run an additional rinse to remove any soap residue.
Air out the drum by leaving the door ajar after cycles to prevent moisture buildup.
Optionally, repeat the cleaning routine every 1–2 months to maintain freshness.
For front-load models, check and clean the sump filter if accessible and instructed by the manual.
Keep laundry loads from sitting damp inside the drum by promptly transferring them to the dryer or line.

Troubleshooting

Symptom	Likely Cause	Fix	Prevention
Musty smell persists after cleaning	Hidden mold in door seal or dispenser	Thoroughly scrub seal and dispenser; run another hot cycle with cleaner	Wipe seal dry after each use; leave door ajar
Funky odor returns within days	Detergent residue buildup	Switch to less foam-friendly detergent; clean dispenser	Run monthly maintenance cycles
Unpleasant smell during washing only	Stale water in the drum or hoses	Run extra rinse and second hot cycle	Ventilate machine after use
Odor with hard water deposits	Mineral buildup	Use descaler deodorizer kit as directed	Regular descaling schedule

Common Mistakes

Using bleach or ammonia-based cleaners together with acidic descalers
Soon after cleaning, loading heavily soiled items without rinsing away residues
Skipping the door seal and dispenser cleaning steps
Neglecting to leave the door open to air out the drum after cycles

Addressing odors often requires a combination of cleaning agents and proper drying. Consistency helps prevent reoccurrence.

Tips For Best Results

Run maintenance cycles monthly or as recommended by the machine’s manual.
Use the hottest water setting allowed by the appliance when using cleaners labeled for hot water.
Clean the detergent dispenser and door seal weekly to minimize buildup.
Store cleaning products out of reach of children and pets and follow safety labels closely.
Consider a brief rinse with plain water after any cleaners to ensure no residue remains on fabrics.

Call A Professional

Contact a technician if odors persist after multiple cleaning cycles, or if there is visible mold growth inside inaccessible areas. Seek professional help if the drum or seals appear damaged, or if persistent odors accompany unusual noises or leaks.

FAQ

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

Perform a cleaning cycle every 1–2 months, or more frequently if you notice odors returning quickly.

Can I use regular laundry detergent to help with smells?

Yes, but avoid using excessive amounts or harsh products that leave residues, which can contribute to odors over time.

Is it safe to use vinegar for odor removal?

Vinegar can help in some cases, but follow the manufacturer’s guidance; some cleaners advise against mixing vinegar with other products.

What if my built-in cleaner cycle isn’t effective?

Try a dedicated drum cleaner powder or descaler deodorizer kit, then re-clean with a hot cycle and thorough wipe-down of seals.

Buying Guide

Key factors influence performance and odor control when selecting products for washing machine maintenance. Consider size and compatibility with your model, noise level during operation, energy usage of any heated cycles, and how controls automate cleaning. Placement matters as well; ensure the area has adequate ventilation to reduce moisture buildup. For odor prevention, choose a kit or cleaner that targets both organic residue and mineral deposits, and verify that cleaners are safe for your washer’s materials. Compare kits that bundle tablets, powders, and descalers to cover all cleaning needs.