Cleaning Tips3 min read

How to Get Mildew Smell Out of Towels — Toronto Guide 2026

How to remove the musty mildew smell from bath towels in your Toronto home. The vinegar and baking soda method that resets towel freshness without replacing them.

M
Maidless

How to Get Mildew Smell Out of Towels

Musty, mildew-smelling towels are caused by mildew (a type of mould) growing in the towel fibres. The root cause is damp towels sitting too long before drying — either because they were left wet after use, or because they were washed with detergent buildup that leaves residue in the fibres that traps moisture. The fix is straightforward: kill the mildew and strip the residue.

The Two-Wash Reset Method

Wash 1: Vinegar

  • Wash the smelly towels in hot water with 1 cup of white vinegar — no detergent
  • The acetic acid in vinegar kills mildew, bacteria, and breaks down the soapy residue that traps moisture in the fibres
  • Use the hottest water setting your towels allow

Wash 2: Baking Soda

  • Immediately after the vinegar wash (without drying first), run a second hot wash with 1/2 cup of baking soda — again, no detergent
  • The baking soda neutralizes any remaining vinegar, deodorizes further, and lifts additional residue

Dry Completely and Immediately

  • Put the towels straight into the dryer on high heat — do not leave them sitting in the drum
  • Dry completely — even slightly damp towels will re-develop mildew smell within hours
  • Add a few dryer balls to increase air circulation and speed drying time

Why Towels Develop Mildew Smell in the First Place

  • Too much detergent: Excess detergent leaves residue in the fibres that traps moisture and feeds mildew. Use half the recommended amount for towels.
  • Fabric softener: Coats fibres with a residue that reduces absorbency and traps moisture. Avoid fabric softener on towels.
  • Not drying quickly enough after use: Hang towels fully spread open after use, not folded or bunched. A towel needs 20–30 minutes to dry in a ventilated bathroom. Install a towel bar rather than a hook for better air circulation.

Preventing Mildew Smell Long-Term

  • Use less detergent — towel fibre residue is the most common cause
  • Wash towels every 3–4 uses
  • Never put damp towels in the laundry hamper — hang until fully dry first
  • Run an occasional vinegar wash (without detergent) every 1–2 months as maintenance

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