Mildew and musty odor
Also: musty smell · mold smell · damp odor
Mildew odor is the damp, musty smell of mold that grows when fabric is stored wet or humid, sometimes with grey or black speckling. It penetrates fibers and can spread to nearby garments, signals possible staining and fiber weakening, and is judged under odor-and-cleanliness with a cosmetic penalty if spotting shows.
How to get mildew smell out
Short answer: sometimes. It depends on what exactly you have and how long it has been there. The steps below say where it stops working rather than pretending it always does.
- 1Get it dry and get it into sunlight. UV kills the mould that is producing the smell, and this is the step people skip.
- 2Brush off any visible growth outdoors, not over a laundry basket.
- 3Soak in a solution of one part white vinegar to four parts water for an hour.
- 4Wash on the hottest setting the label allows, with detergent, and dry fully in the sun.
- 5If the smell returns as the garment warms, the growth is still in the fibres. Repeat once, then stop; a third round will not work either.
Stopping it happening again
Mildew needs damp and darkness. Never store anything even slightly damp, never leave a wash in the drum overnight, and do not store clothing in a sealed plastic tub in an unheated space.
How to spot it
- Smell for a damp, earthy, basement-like note, strongest at folds
- Inspect for grey, black, or pink speckling in creases and along hems
- Check storage-prone areas — pockets, cuffs, and the inside of collars
Grade impact
Mildew odor is weighed under Odor & Cleanliness (10%), with a Cosmetic Appearance (20%) hit if it has left spotting. A faint musty smell that airs out stays near Good (6); a strong odor plus visible mold speckling drops the item to Fair (5) or Poor (3–4).
Fixability
Sometimes removable. A vinegar soak, sunlight, and thorough drying kill light mildew and clear the smell; deep-set mold spotting can permanently discolor fibers and may return in humidity.
How to disclose it
Disclose both smell and any marks ('musty odor with light grey speckling at the hem'). Mildew hints at how the piece was stored, and buyers who receive an undisclosed musty item almost always return it.
Mildew odor — frequently asked
- Does mildew odor mean there's mold damage too?
- Often. The musty smell comes from mold, which can also leave grey, black, or pink speckling and weaken fibers where it grew. Inspect creases and hems for spotting whenever you detect the odor, and grade both the smell and any staining you find.
What if it does not all come out?
Most of the time some of it stays, and the leftover is what a buyer sees. A garment is worth what its condition says it is worth, so the sensible next question is how much this particular flaw moves the number.
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