How Long Can You Leave Towels in the Wash Before Smelling? Understanding the Ticking Clock on Freshness
The Unfortunate Scenario: A Mildew Mystery Unfolds
It’s a scenario I’m all too familiar with, and I’m betting many of you are too. You’ve diligently gathered the week’s laundry, tossed your towels into the washing machine with a sense of accomplishment, and set the cycle. Perhaps you’ve gotten caught up in a movie, a work project, or simply the whirlwind of daily life, and suddenly, hours have passed. You head back to the laundry room, expecting that crisp, clean scent, only to be met with… well, something less than delightful. A faint, musty odor. You sniff the towels more closely, and there it is: the unmistakable scent of dampness that’s lingered too long. This is the dreaded "towels in the wash gone bad" experience, and it begs the question: how long can you leave towels in the wash before smelling?
Honestly, the answer isn't a hard and fast number because so many factors come into play. However, based on my own experiences and observations, I can tell you that the window of opportunity for fresh-smelling towels is surprisingly short. We're talking a matter of hours, not days. If you've ever wondered if that load of towels you forgot about is still salvageable, or if you're proactively trying to avoid that mildewy fate, you've come to the right place. We're going to dive deep into the science and practicalities of towel freshness, exploring what makes them go south, and how to prevent it.
The Clock Starts Ticking: When Does the Smell Begin?
To directly answer the question, you can typically leave towels in the washing machine for about 1 to 8 hours before they start to smell. However, this is a broad range, and I've found that even after just a few hours, a subtle mustiness can begin to develop if the conditions are right. My personal rule of thumb, learned through many a forgotten load, is to aim for retrieving them within 2-3 hours if possible. Beyond that, you're definitely entering risky territory. The longer the towels remain damp inside the closed environment of the washing machine drum, the more conducive the environment becomes for the growth of odor-causing bacteria and mildew.
Think about it: the washing machine is a dark, moist, and often warm environment after a cycle. Once the wash and spin cycles are complete, the towels are saturated with water. If they're left sitting in this humid incubator, the tiny organisms that are naturally present on fabrics – and yes, even on our skin – begin to multiply rapidly. They feed on residual soap and fabric softener, as well as any organic matter that might be on the towels. This microbial activity is what produces those unpleasant smells. It’s not a magical transformation; it’s a biological process that kicks into high gear when given the perfect conditions.
Understanding the Culprits: Bacteria and Mildew Unveiled
So, what exactly are we smelling? It's a combination of microscopic life forms. The primary culprits are bacteria and mildew, both of which thrive in damp, dark environments.
Bacteria: The Invisible Offenders
Bacteria are everywhere, and our towels are no exception. They are present on our skin, in the air, and on the surfaces we touch. When you use a towel, it absorbs moisture and picks up dead skin cells and natural body oils. During the wash cycle, these bacteria are agitated and suspended in the water, along with detergent. While the detergent and hot water kill a significant portion of them, not all are eliminated.
After the wash, if the towels aren't dried promptly, the surviving bacteria find themselves in a prime breeding ground. They begin to consume the organic matter left on the fibers and multiply. The byproducts of their metabolic processes are what we detect as foul odors. These can range from a general "sour" smell to a more acrid, ammonia-like scent, depending on the specific types of bacteria present.
Mildew: The Fungal Menace
Mildew is a type of fungus that also loves moisture. It's responsible for that classic "musty" smell we associate with damp fabrics left too long. While bacteria might produce a sourer smell, mildew tends to create a more earthy or damp-basement aroma. Like bacteria, mildew spores are ubiquitous and can land on your towels during use and even during the wash.
When towels are left damp for extended periods, these spores germinate and begin to grow. The visible signs of mildew can be fuzzy patches of black, green, or white, but long before you see it, you’ll smell it. The smell of mildew is a strong indicator that your towels have been sitting in a too-humid environment for too long, allowing these fungi to take hold.
Factors Influencing How Quickly Towels Smell
As I mentioned, the "1 to 8 hours" is a guideline. Several factors can significantly shorten or, in some lucky cases, slightly lengthen this window. Understanding these will help you manage your laundry routine more effectively.
Temperature of the Wash Cycle
A hotter wash cycle, like using hot water, is more effective at killing bacteria and mildew spores. If you washed your towels on a cold setting, the microbial population might be higher to begin with, and they could start to smell sooner. Conversely, a hot wash provides a cleaner slate, giving you a slightly larger buffer before odors develop. However, even hot washes aren't a guarantee against smell if the towels are left damp for too long.
Detergent Residue
Using too much detergent or fabric softener can actually contribute to odor problems. Excess detergent can leave a residue on the towels that bacteria and mildew feed on. Fabric softener, in particular, can build up and trap moisture, creating an even more favorable environment for microbial growth. So, while you want to get them clean, overdoing it with the soap can backfire.
Load Size and Water Level
An overloaded washing machine means the towels might not be getting properly agitated or rinsed. This can leave behind detergent residue and trapped dirt, providing more food for microbes. Similarly, if the water level is too low, the towels might not be fully submerged and rinsed, leading to similar issues. Proper loading and sufficient water are key for effective cleaning and rinsing.
Type of Fabric and Weave
While most bath towels are made of cotton, the weave can influence how quickly they dry and retain moisture. Densely woven, thick towels will hold onto water longer than lighter, more loosely woven ones. This means a thick, plush towel might start to smell sooner if left damp, as it takes longer for the internal fibers to dry out even after the spin cycle.
Ambient Humidity and Temperature
This is a big one that people often overlook. If you live in a very humid climate, your towels will take longer to dry once removed from the washer. If you leave them in a warm, humid environment, like a small, unventilated bathroom, the process of developing that musty smell can be accelerated. Conversely, in a dry, well-ventilated space, you might have a little more leeway.
Pre-existing Odors or Stains
If your towels already had some lingering odors from previous use (think gym towels or dish towels), these can be amplified when the towels are left damp. Similarly, if there were lingering organic stains that weren't fully removed, they can become breeding grounds for microbes.
The "Oh No!" Moment: How to Tell if Your Towels Smell
Sometimes, the smell is obvious. Other times, it's a more subtle, creeping aroma that you might not notice until you're mid-shower. Here's how to sniff out the problem:
- The Initial Sniff Test: As soon as you open the washing machine door, take a deep breath. If it's not that clean laundry scent, something's up.
- The Targeted Sniff: Pick up a towel. If it smells musty or sour, it's time for action. Don't be afraid to really get in there and sniff the fabric, especially the thicker parts.
- The "Dry Towel" Test: Sometimes, the smell is more apparent once the towels are partially or fully dry. If they come out of the dryer smelling "off" or still faintly musty, they likely spent too long in the washer or weren't dried thoroughly.
- The "Usage" Test: This is the worst-case scenario. You use the towel after it's been left in the wash too long, and suddenly you're aware of the smell. This is a clear sign that prompt action was needed.
Salvaging Smelly Towels: Can They Be Saved?
Yes, in most cases, smelly towels can be salvaged! The key is to act quickly. Here’s what you can do:
The Vinegar Method
White vinegar is a fantastic natural deodorizer and disinfectant.
- Re-wash: Add 1-2 cups of white vinegar directly into the washing machine drum along with your smelly towels.
- Use Hot Water: Select the hottest water setting your towels can tolerate.
- Skip Detergent and Softener: You don't need detergent for this. The vinegar will do the deodorizing work. Avoid fabric softener, as it can trap odors.
- Second Rinse (Optional but Recommended): Run an extra rinse cycle to ensure all the vinegar is washed out.
- Dry Thoroughly: Immediately transfer the towels to the dryer on a medium to high heat setting until completely dry. Alternatively, hang them outdoors on a sunny, breezy day – the sun is a natural disinfectant and deodorizer.
I've used this method countless times, and it's remarkably effective. It tackles both bacterial and mildew odors.
The Baking Soda Boost
Baking soda is another excellent odor absorber.
- Re-wash: Add 1/2 cup of baking soda to the drum of your washing machine along with the smelly towels.
- Add Detergent: You can use your regular detergent in this wash.
- Hot Water: Again, use the hottest water setting appropriate for your towels.
- Dry Thoroughly: Dry them immediately and completely as described above.
Sometimes, I'll even use a combination: a vinegar wash followed by a baking soda wash if the smell is particularly stubborn. This two-pronged approach usually does the trick.
The Bleach Solution (Use with Caution!)
If your towels are white and bleach-safe, a small amount of bleach can kill odor-causing microbes.
- Check Labels: Ensure your towels are bleach-safe.
- Use Sparingly: Add only 1/2 cup of chlorine bleach to the bleach dispenser of your washing machine, or dilute it in water and add it during the wash cycle. NEVER pour bleach directly onto towels.
- Hot Water: Use the hottest water setting.
- Dry Thoroughly: Dry immediately and completely.
Important Note on Bleach: Bleach can damage fibers over time and cause discoloration, especially on colored towels. It's generally a last resort for really tough odors on white fabrics.
Prevention is Key: Keeping Your Towels Fresh
The best way to deal with smelly towels is to prevent them from getting that way in the first place. Here are my top tips for keeping your towels smelling fresh:
1. Prompt Removal from the Washer
This is the golden rule. Set a timer if you have to! Aim to get your towels out of the washing machine within an hour or two of the cycle finishing. My personal goal is always within 2 hours, but sooner is always better.
2. Don't Overload the Machine
Give your towels (and all your laundry) enough space to move freely in the drum. This ensures proper agitation, rinsing, and water circulation. Overloaded machines lead to ineffective cleaning and can trap moisture.
3. Use the Right Amount of Detergent
Follow the detergent manufacturer's recommendations for your load size and water hardness. Too much detergent leaves residue that feeds microbes. Modern detergents are highly concentrated, so you often need less than you think.
4. Rethink Fabric Softener
While fabric softener makes towels feel soft, it can also create a barrier that traps moisture and odors. Consider using a vinegar rinse in the fabric softener compartment instead, or skipping it altogether. Air-drying can also restore softness.
5. Proper Drying is Crucial
This goes beyond just getting them out of the washer. Ensure your towels are completely dry before folding and storing them.
- Tumble Dry: Use a medium to high heat setting and a dryer sheet or wool dryer balls. Don't over-dry, as this can damage fibers, but ensure they are fully dry to the touch.
- Air Dry: If possible, hang towels on a clothesline or drying rack, preferably outdoors in sunlight. Good air circulation is key. Make sure they are completely dry before bringing them inside.
6. Regular Deep Cleaning of Your Washing Machine
Yes, your washing machine can get dirty and contribute to smelly laundry! Run a cleaning cycle regularly (monthly is a good benchmark). You can use a commercial washing machine cleaner, or run a hot cycle with 2 cups of white vinegar in the drum, followed by another hot cycle with 1/2 cup of baking soda. Don't forget to clean the detergent dispenser and the rubber seal around the door – these are prime spots for mold and mildew growth.
7. Vent Your Laundry Area
If your laundry area is prone to humidity, improve ventilation. Open a window, use an exhaust fan, or consider a dehumidifier. This helps reduce the overall dampness that can affect drying times and contribute to odors.
8. Wash Towels Separately
While it's tempting to toss towels in with other laundry to save a load, it's best to wash them separately, especially bath towels. They are much more absorbent and tend to hold onto more moisture and bacteria. Washing them with other items can also lead to lint transfer.
9. Rotate Your Towels
Don't use the same bath towel every single day without washing. Rotate through several towels so that each towel has a chance to fully dry out between uses. This significantly reduces the buildup of bacteria and the potential for odors.
10. Consider Towel Material
Some materials are more breathable and dry faster than others. While cotton is standard, consider high-quality, breathable cotton weaves, or even bamboo blends, which are known for their moisture-wicking properties.
Frequently Asked Questions About Towel Smells
Even with the best intentions, sometimes questions pop up. Here are some common ones I get asked:
Q1: My towels smell even after washing them. What am I doing wrong?
This is a frustrating situation, but it usually boils down to a few key issues. Firstly, as we've discussed, how long can you leave towels in the wash before smelling is a critical factor. If they sat in the washer for too long before being dried, even a subsequent wash might not fully eliminate the ingrained odors. Secondly, the washing machine itself might need a deep clean. Bacteria and mildew can build up in the drum, seals, and hoses, transferring back onto your laundry. Check the rubber gasket around your washing machine door – it’s notorious for trapping moisture and growing mold.
Another common mistake is using too much detergent or fabric softener. These can leave a residue on the towel fibers that doesn't fully rinse out, and this residue acts as a food source for lingering microbes, causing them to multiply and produce odors even after washing. Lastly, ensure your towels are being dried thoroughly. If they are still even slightly damp when folded and put away, odors can quickly resurface. Overloading the dryer or not running it long enough can also be culprits.
Q2: How can I prevent my gym towels from smelling?
Gym towels are particularly prone to odor because they absorb a lot of sweat, which is rich in organic matter and bacteria. The key here is immediate action.
The moment you finish your workout, do not leave your gym towel balled up in your gym bag. Ideally, you should rinse it out thoroughly with cold water immediately after use. If you can't wash it right away, at least hang it up to air dry completely before putting it in your laundry hamper. This drastically reduces the environment for bacteria to thrive.
When you do wash them, use a hot water cycle and a good quality detergent. Consider adding a cup of white vinegar to the wash cycle (in place of fabric softener) to help break down odor-causing residues and kill bacteria. Ensure they are thoroughly dried. Some people even prefer to dedicate a specific load for gym towels to ensure they get a good, hot wash without being mixed with other laundry, which might not tolerate such high temperatures.
Q3: Is it safe to use towels that smell musty?
While it's not ideal, it's generally safe to use them if you can successfully deodorize them. However, persistent musty smells can indicate a significant buildup of mold or mildew, which, in large quantities, can potentially exacerbate allergies or respiratory issues for sensitive individuals.
The primary concern is hygiene and comfort. A musty towel isn't pleasant to use. If you've tried the vinegar or baking soda methods and the smell persists, it might be time to consider replacing the towels. Over time, certain deep-set odors can become impossible to fully remove, and the fabric itself might be degraded by the microbial activity. It's always best to err on the side of caution and ensure your towels are thoroughly clean and fresh.
Q4: How often should I wash my bath towels?
This is a question of personal hygiene and preference, but the general recommendation is to wash your bath towels every 3 to 4 uses.
Think about it: after each use, your towel absorbs water, body oils, and dead skin cells. Even if you feel clean after a shower, your towel is a breeding ground for bacteria and other microbes. Leaving them for longer than 3-4 uses allows these organisms to multiply significantly. If you're someone who sweats a lot, or if anyone in your household has a compromised immune system or skin conditions, you might consider washing them even more frequently, perhaps after every 2 uses.
Hand towels and kitchen towels, which are used more frequently and come into contact with more surfaces, should be washed much more often – ideally, hand towels every 2-3 days, and kitchen towels daily or every other day, especially if they come into contact with raw food.
Q5: My washing machine has a "clean" cycle. Should I use it for my towels?
Yes, definitely! If your washing machine has a self-cleaning cycle, you should absolutely use it regularly, typically once a month. This cycle is designed to run at a high temperature and often uses a special cleaning agent (or can be supplemented with vinegar/baking soda) to break down detergent residue, mineral deposits, and, importantly, kill mold and mildew that can accumulate within the machine's components.
However, a cleaning cycle alone might not be enough to completely neutralize odors in towels that have already sat too long in the washer. If your towels have already developed a smell, you'll likely need to re-wash them using the vinegar or baking soda method in addition to ensuring your washing machine is clean. Think of the clean cycle as preventative maintenance for your machine, which indirectly helps keep your towels fresh.
The Economics of Towel Freshness
It might seem like a small thing, but the longevity of your towels is actually tied to your wallet. When towels go bad because they’ve been left in the wash too long, and you can’t salvage them, you have to replace them. This is especially true if you frequently end up having to discard them due to persistent odors or the development of mildew spots that can’t be removed.
Good quality towels can be an investment. If you have to buy new ones every year because they’ve succumbed to the "forgotten load" phenomenon, you're spending more money than necessary. Implementing good laundry habits, like prompt removal from the washer and thorough drying, extends the life of your towels significantly. Furthermore, properly cared-for towels maintain their absorbency and softness for much longer, providing a better user experience. So, while it might just be a few hours of neglect, the impact on your household budget can be tangible over time.
A Personal Reflection: The Case of the Lingering Laundry Room Odor
I remember a period about five years ago when my laundry room seemed to permanently smell… off. It wasn't a terrible odor, but it was that subtle, musty undertone that just hung in the air. I tried air fresheners, opening windows, everything. Then, I started paying closer attention to my laundry habits. I realized I was often guilty of "delaying" the transfer from washer to dryer, especially on busy weekends. I'd set the wash, get engrossed in something, and suddenly realize it had been sitting there for four or five hours.
Once I started being more mindful of the "how long can you leave towels in the wash before smelling" question and set myself a strict two-hour rule, the persistent odor in my laundry room began to dissipate. It was a lightbulb moment. The lingering smell wasn't just in my head; it was the cumulative effect of damp, odor-developing towels. This personal experience solidified my understanding that promptness is paramount when it comes to laundry, especially towels.
It also taught me the power of vinegar. I started using it as a fabric softener substitute and for those occasional deep cleans of the machine, and the difference was remarkable. The crisp, clean smell of laundry returned. It’s a simple, inexpensive solution that has become a staple in my laundry routine, all born from the frustration of neglected towels.
The Science Behind the Smell: Microbial Metabolism
To truly understand why towels smell, it helps to delve a bit into the science of microbial metabolism. When bacteria and mildew are left in a damp environment with nutrients (like residual soap or body oils), they actively metabolize these substances. This process releases various volatile organic compounds (VOCs) into the air.
For bacteria, common byproducts include short-chain fatty acids (responsible for sour or cheesy smells), ammonia (from the breakdown of proteins), and various sulfur compounds. Mildew, on the other hand, produces geosmin and 2-methylisoborneol, which are known for their earthy, musty odors. The intensity of the smell is directly related to the population density of these microbes and the rate at which they are producing these VOCs. The longer the towels remain damp, the more time these organisms have to proliferate and produce these smelly compounds, making the odor harder to remove even with subsequent washing.
What to Do When Towels Are Severely Smelly
If you find yourself with towels that have a truly pungent, deeply ingrained smell, and the standard vinegar or baking soda washes haven't fully worked, don't despair just yet. Here are a few more advanced strategies:
The Soaking Method
Sometimes, a simple wash cycle isn't enough. For severely smelly towels, a pre-soak can be highly effective.
- Fill a Tub: Use a clean bathtub or a large basin.
- Add Cleaning Agent: Fill the tub with cool or lukewarm water and add either:
- 1-2 cups of white vinegar OR
- 1 cup of baking soda OR
- A color-safe oxygen bleach (follow product instructions carefully).
- Submerge Towels: Ensure all towels are fully submerged.
- Soak: Let them soak for at least 4-8 hours, or even overnight.
- Wash as Normal: After soaking, drain the tub and wash the towels in your washing machine as you normally would, using hot water and your regular detergent. You can add a touch more vinegar or baking soda to the wash cycle for good measure.
- Dry Thoroughly: Dry them completely.
Sunlight as a Natural Deodorizer and Disinfectant
If you have access to a clothesline and sunny weather, leverage the power of the sun. After washing your heavily smelly towels (especially if you've done a vinegar or baking soda wash), hang them outdoors in direct sunlight. UV rays from the sun are natural disinfectants and can help break down odor molecules. A good breeze will also help them dry thoroughly and air out. This is an old-school trick that still works wonders, particularly for stubborn odors.
Consider the Washing Machine Again
If multiple washes and soaks don't resolve the issue, there might be an underlying problem with your washing machine that is constantly re-contaminating your laundry. Beyond the regular cleaning cycles, check for any signs of mold in less obvious places like the water inlet hoses or the drain pump filter if your machine has one accessible. Some machines can develop odors from trapped lint or mold in the internal workings.
The Takeaway: Mastering Towel Freshness
So, to circle back to the initial question: how long can you leave towels in the wash before smelling? The honest answer is that the clock starts ticking the moment the wash cycle ends. While you might have a few hours of grace, typically between 1 to 8 hours, the longer they sit damp in the washing machine, the higher the likelihood of developing those unpleasant odors. My personal experience and countless others suggest aiming for prompt removal – within 2-3 hours at most – is the safest bet to guarantee fresh-smelling towels.
The prevention strategies are your best defense: be prompt, don't overload, use detergents wisely, dry thoroughly, and maintain your washing machine. When odors do arise, vinegar and baking soda are your allies for salvaging them. By understanding the science behind the smells and implementing these practical tips, you can ensure your towels remain fresh, clean, and inviting, wash after wash.
It’s a small habit, but mastering the art of timely towel retrieval from the washing machine can save you from the frustration of musty smells, the expense of frequent replacements, and the simple discomfort of using a less-than-fresh towel. Happy laundering!
Frequently Asked Questions: Deep Dive into Towel Odors
Q1: How does the type of detergent affect towel smells?
The type of detergent you use plays a significant role in both cleaning your towels and potentially contributing to lingering odors if not used correctly. High-efficiency (HE) detergents, for instance, are designed to be low-sudsing and are highly concentrated. This means you need to use them very sparingly. If you overuse HE detergent, it can leave behind a residue that doesn't rinse out completely. This residue can then become food for bacteria and mildew, leading to sour or musty smells.
Powdered detergents can sometimes be harder to rinse out completely compared to liquid detergents, especially in colder water, potentially leaving behind fine particles that can contribute to odor. Some detergents also contain perfumes and fillers that can build up on the fabric over time. While they might mask odors initially, they don't necessarily kill the microbes causing them and can, in fact, trap moisture and contribute to the problem in the long run. Opting for a high-quality liquid detergent, using the correct amount as recommended by the manufacturer, and ensuring a thorough rinse cycle are crucial steps in preventing detergent-related towel odors.
Q2: What's the deal with fabric softener and towel smells?
Fabric softener is often viewed as a friend to fluffy towels, but it can be an enemy to freshness. The primary function of fabric softener is to coat the fibers of the fabric with a thin layer of lubricating compounds. This coating makes the fabric feel softer and smoother to the touch. However, this coating can also create a barrier that hinders absorbency and, more importantly, traps moisture.
When towels are left damp after washing, this trapped moisture creates an ideal breeding ground for bacteria and mildew. The fabric softener itself can also be a source of nutrients for these microbes, exacerbating the problem. Furthermore, the perfumes in fabric softeners can sometimes mix with the odors produced by microbial growth, creating an even more unpleasant smell. For this reason, it's generally advised to avoid using fabric softener on towels if you're concerned about odors or their absorbency. If you crave that softness, consider using white vinegar in the fabric softener compartment during the rinse cycle; it acts as a natural softener and helps remove detergent residue without the negative side effects.
Q3: My towels have developed black spots. Is this mildew, and can I get rid of it?
Yes, black spots on towels are almost always a sign of mildew growth. Mildew is a type of fungus that thrives in dark, damp environments, and towels left sitting in a washing machine or not dried thoroughly are prime candidates for its development. These spots are the visible manifestation of the fungal colony.
Getting rid of black spots caused by mildew can be challenging, but it's often possible. For white or bleach-safe towels, a solution of chlorine bleach is typically effective. You can try soaking the towels in a diluted bleach solution (follow product instructions carefully for ratios, but a common starting point is about 1/4 cup of bleach per gallon of water) for about 30 minutes before washing them in hot water with detergent. For colored towels or those that are not bleach-safe, you'll need to rely on more natural methods. A strong pre-soak with white vinegar or a solution of borax can be effective. Soak the towels for several hours or overnight in a vinegar or borax solution, then wash them in hot water with detergent. After washing, thoroughly dry them in direct sunlight if possible, as UV rays have a natural bleaching and disinfecting effect.
It's important to note that if the mildew has been present for a very long time or has deeply penetrated the fibers, it might be impossible to remove the stains completely. In such cases, and if the smell persists even after treatment, it might be time to consider replacing the towels, as the integrity of the fabric may also be compromised.
Q4: How does ambient humidity affect the time it takes for towels to smell?
Ambient humidity plays a surprisingly significant role in how quickly your towels might develop an odor. When you take towels out of the washing machine, they are saturated with water. In a low-humidity environment, the air will readily absorb moisture from the fabric, and the towels will begin to dry relatively quickly once hung or placed in a dryer. This shorter period of dampness limits the time available for bacteria and mildew to proliferate.
Conversely, in a high-humidity environment (think of places with tropical or coastal climates, or even just a poorly ventilated bathroom), the air is already holding a lot of moisture. This means it can absorb water from the towels much more slowly. The towels will remain damp for a considerably longer period. This extended dampness provides a perfect incubator for microbes to multiply and produce odors. So, if you live in a humid area, you'll likely need to be even more diligent about removing towels promptly from the washer and ensuring they are dried as quickly and thoroughly as possible. Even a few hours in a steamy, unventilated bathroom after a wash cycle can be enough to start the odor-producing process.
Q5: Are there any specific washing machine settings that help prevent smells?
Yes, certain washing machine settings can indeed help in the fight against towel odors. The most critical setting is the water temperature. Always opt for the hottest water setting that is safe for your towels. Hot water is significantly more effective at killing bacteria and mildew spores than cold or warm water. While you always want to check the care label on your towels, most cotton bath towels can safely be washed in hot water.
Additionally, using an extra rinse cycle can be very beneficial. This ensures that all detergent and fabric softener residues are thoroughly washed away, leaving less for microbes to feed on. If your washing machine has a "heavy-duty" or "extra-clean" cycle, these often use longer wash times and more agitation, which can help ensure a more thorough clean and rinse. Some newer machines also have specific "sanitize" cycles that use extremely high temperatures to kill microbes. While these are excellent for hygiene, ensure your towels are rated to withstand such extreme heat. Fundamentally, the goal is to create the cleanest possible environment in the wash and ensure all moisture is removed as quickly as possible after the cycle concludes.