How To Get Mildew Out Of Towels?
QUICK ANSWER
Get mildew out of towels by washing on the hottest setting with 1 cup of vinegar and no detergent, then running a second hot wash cycle with detergent and 1 cup of baking soda. Air-dry in sunlight if possible. For severe smells, use the strip-washing method with washing soda and borax.
Towels are mildew magnets. They go from soaking wet to crumpled-on-the-floor regularly, which is the perfect setup for bacteria to grow. Adding more detergent or fabric softener actually makes the problem worse since residue builds up and traps moisture and bacteria. Here is the right approach and the strip-washing method for towels with deep buildup.
Why do towels get musty?
Towels get used wet, then often hang folded over a hook or rod without fully drying between uses. The humid environment feeds bacteria and mold spores already on the fabric. Over time, detergent residue, body oils, and fabric softener build up in the fibers and create a coating that traps moisture and bacteria. New towels can develop the smell within a few months if not properly cared for. The smell becomes obvious when the towel gets wet again because the bacteria activate and produce odors quickly.
What is the right washing method?
Wash dirty towels separately from clothes on the hottest setting your machine offers. Use only 1 cup of white vinegar in the drum, no detergent. After this cycle finishes, run a second hot wash with detergent and 1 cup of baking soda in the drum. The two-cycle approach first cleans the fabric (vinegar) then deodorizes (baking soda) without combining the chemicals (which would neutralize each other). Air-dry in direct sunlight if possible. Otherwise tumble dry on high heat. Avoid fabric softener since it coats fibers and reduces absorbency.
How do you strip towel buildup?
Strip washing removes years of detergent and softener residue from towels. Fill a bathtub with hot water. Add 1/4 cup of washing soda (sodium carbonate, not baking soda), 1/4 cup of borax, and 1 tablespoon of dish soap. Submerge the towels and let soak for 4 to 6 hours, stirring occasionally. The water will turn dark from released residue and dirt. Wring out the towels and wash on a normal hot cycle without any added products. This deep clean is for towels that have not been responding to regular washing.
How do you prevent the smell from coming back?
Wash towels every 3 to 4 uses, not weekly. Hang towels spread out flat over a rod to dry between uses, not folded or doubled up. Run the bathroom fan during and after showers to lower humidity. Skip fabric softener entirely on towels. Use less detergent than you think (about half the bottle recommendation). Replace towels every 2 to 3 years since older towels accumulate buildup that no washing fully removes. White vinegar in the rinse cycle weekly keeps things fresh long-term.
Musty towels usually need a two-cycle wash with vinegar then baking soda, plus sunlight drying. For towels with years of buildup, the strip-washing method in the tub removes the deep residue regular washes cannot reach. Skip fabric softener, use less detergent, hang spread-out to dry between uses. These habits prevent the problem rather than treating it after the fact.
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