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Why Your Washer Smells — and How to Fix It

That musty smell coming from a front-loader is mold feasting on leftover detergent film. A simple monthly habit gets rid of it for good.

By Renee Castellano3 min read read

Written by Sawyer Kincaid, Lead Technician — True Fix Houston. Factory-trained, EPA-certified, 6 years servicing Greater Houston.

Front-load washers naturally trap moisture, and any leftover detergent residue becomes food for mold. The good news: the smell is both fixable and preventable.

Run a Cleaning Cycle

Buildup inside the drum and detergent dispenser gives bacteria a place to thrive.

Fix: Once a month, run the tub-clean cycle — or a hot wash — with a washing-machine cleaner or a cup of white vinegar.

Dry the Door Seal

Water collects in the folds of the door boot and, left alone, never fully dries out.

Fix: Wipe the seal down after every wash and prop the door open between loads.

Use Less Detergent

Using more detergent than necessary leaves residue behind that mold happily feeds on.

Fix: Switch to an HE-rated detergent and stick to the minimum recommended amount.

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