This often happens when there is a buildup of detergent in the clothes, meaning too much has been used over the course of time. Here's what we do when your clothes and linens get a "wet dog" smell: run an extra rinse after washing and smell them again.
If a towel continues to have a smell, it means that bacteria are still in your machine or on your towel. Run the washing machine again with bleach, or wash the towel a second time to remove the stubborn bacteria.
So when you notice a musty or sour smell in your towels or they lose softness and absorbency, Forté recommends adding one cup of distilled white vinegar during the final rinse (for a standard top-load washer that fills with water) to remove the odor.
Because they got damp. There's bacteria on your skin, there's bacteria on the towel rack, there's bacteria in the air, there's mold and fungus spores in the air. All of them like warm, damp environments.
The secret to fresh-smelling towels
One of the main causes of this is detergent build-up. Over time, soap residue accumulates in the fibres of the towels, stopping them from absorbing as much water as possible, and from drying as well as they could.
Throw them out.
I once read that towels should last between 7-10 years… so if you've used your towels for more than 10 years and are struggling to remove the stinky smell, it might just be time to toss them.
If you start to notice that your towels smell, and not in a spring meadow or clean mountain kind of way, it's a pretty good indication you have mold in your washing machine. The first plan of attack is to clean your washing machine.
Washing towels with vinegar and baking soda can bring them back to life in just three steps: Wash towels in hot water and one cup vinegar. Don't add any detergent. Wash the towels a second time (without drying them) in hot water and one cup baking soda.
"A good thing to remember is to replace bathroom towels every two to five years and kitchen towels and washcloths every year or every two years, depending on their quality," explains Wischnia.
How often should I wash my bath towels? Dead skin cells, bacteria, and even sweat can accumulate quickly on your towels, so using a fresh one about every three days is a simple rule of thumb—for all kinds of towels. You can of course change them more often.
Normal “wet dog smell” actually hails from your dog's sweat glands, she continues. Dogs do not have the same kinds of sweat glands that humans do. Their sweat glands are found on areas of the body without fur, notably their paws, which can also contribute to nasty odors from time to time.
Towels should be washed in the warmest water appropriate for the fabric according to the care label. Generally, warm or hot water is recommended for washing towels. Use a cycle specifically for towels or a normal/regular cycle.
A good temperature for washing towels and sheets is 40 degrees, but a 60 degreewash will be better at killing germs. Changing your sheets and towels once a week can help to keep them fresh and clean**. Use ourlaundry tips section for guidelines on different fabrics.
Wash Towels with Vinegar
It's easy to freshen up your towels. Start with a hot water cycle (for whites) or warm cycle (colors) and add about half the detergent you'd use for clothes. To clean musty towels or strip old fabric softener away, add 1/2 to 1 cup of white vinegar to your rinse cycle.
Adding baking soda or vinegar to your laundry can help you clean both your washing machine and your garments better. Both of these pantry staples are an effective and inexpensive way to remove mildew odors, soften fabrics, and even brighten your whites.
Use a laundry detergent formulated to remove musty odors, such as ARM & HAMMER™ plus OxiClean™ Odor Blasters Fresh Burst.™ Use the correct amount and type of detergent for your machine. Adjust your detergent amount for heavily soiled towels or if you have hard water.
Clean towels with detergent and a splash of distilled white vinegar. (Note: Never mix vinegar and bleach, as this combination creates a dangerous chemical reaction.) Put them in the dryer immediately after the wash cycle ends. Shake each towel out on the way from the washer to the dryer.
You left your clothes in the washer too long.
A dark, wet environment like a washing machine is the perfect breeding ground for bacteria, mold, and mildew to thrive. These can build up in your clothing as time goes on, eventually leaving them with a permanent odor.
That smell is caused by a buildup of body oils and soap, which may not be completely removed if you launder your washcloths in cold or warm water.
If you have a standard washer machine, use 1 cup of baking soda and add it to the towels and then fill with water. DO NOT ADD SOAP OR VINEGAR, ADD NOTHING BUT BAKING SODA! Run a full cycle using hot water for the wash and rinse cycle. You will be absolutely amazed on how fresh the towels smell.