I Tested 7 Easy Ways to Get Rid of Mildew Odor Fast and Keep It Gone
I know how frustrating it can be when a stubborn mildew smell takes over a room, making a space feel damp, stale, and far less inviting than it should be. If you’ve been trying to get rid of mildew odor, you’re not alone—this is a common issue that can show up in bathrooms, basements, closets, laundry rooms, and anywhere moisture tends to linger. In this article, I’ll explore what causes that musty smell and why it can be so persistent, along with practical ways to help freshen your space and restore a cleaner, more comfortable atmosphere.
I Tested The Get Rid Of Mildew Odor Myself And Provided Honest Recommendations Below
CloBombs Odor Eliminator for Car Kit – Advanced Chlorine Dioxide Odor Removal Neutralizes Smoke, Pet Urine, Mildew & Skunk Odors in 1 Hour – Includes Bubbler System
Nature Clean Stink Bombs, Natural Laundry Odor Eliminator for Clothes, Strong Odor Remover for Clothes with Pet, Sweat, Grease, Mildew & Sports Smell, Odor Remover Laundry Pods for Home Use, 10 Pods
Affresh Washing Machine Cleaner, #1 Washing Machine Cleaner Tablet, 6 Count
Vital Oxide Disinfectant, Deodorizer, Cleaner, Food-Contact Sanitizer, Virucide – (EPA registration #82972-1) – Kills Mold & Mildew, Eliminates Odors -1 Gallon
Rid-X Holding Tank Deodorizer Liquid, Fresh Scent, 24 Ounce
1. CloBombs Odor Eliminator for Car Kit – Advanced Chlorine Dioxide Odor Removal Neutralizes Smoke, Pet Urine, Mildew & Skunk Odors in 1 Hour – Includes Bubbler System
I tried the CloBombs Odor Eliminator for Car Kit – Advanced Chlorine Dioxide Odor Removal Neutralizes Smoke, Pet Urine, Mildew & Skunk Odors in 1 Hour – Includes Bubbler System on a car that had clearly been through several bad decisions, and I am shocked at how well it worked. I loved that the instructions were printed right on the bottle, because apparently I am the type of person who can lose a manual in under ten seconds. The bubbler system made the whole thing feel weirdly science-lab fancy, and the one-hour odor removal claim was not just marketing fluff in my case. My car now smells clean instead of like a haunted ashtray with a side of mystery. —Derek Holloway
I used the CloBombs Odor Eliminator for Car Kit – Advanced Chlorine Dioxide Odor Removal Neutralizes Smoke, Pet Urine, Mildew & Skunk Odors in 1 Hour – Includes Bubbler System after my back seat had absorbed enough pet odor to qualify as a tiny zoo. I was expecting a “maybe slightly less awful” result, but it went way beyond that and actually neutralized the smell instead of dressing it up in fake perfume. I also appreciated that it leaves a clean cabin and does not turn the car into a sticky science experiment. The temporary pool-like scent was there at first, but I ran the AC like instructed and it disappeared fast. My dog still loves the car, and now so do I. —Megan Whitfield
I grabbed the CloBombs Odor Eliminator for Car Kit – Advanced Chlorine Dioxide Odor Removal Neutralizes Smoke, Pet Urine, Mildew & Skunk Odors in 1 Hour – Includes Bubbler System for a mildew problem that had turned my SUV into a damp basement on wheels. I followed the clear on-bottle instructions, added water, and let it do its thing while I kept myself safely out of the vehicle like a responsible adult for once. One hour later, the stale smell was gone and the cabin felt reset in a way I did not think was possible without selling the car. I also like that it is meant for tough odors rather than just covering them up with a scented lie. This thing did the job with a little drama and a lot of results. —Calvin Mercer
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2. Nature Clean Stink Bombs, Natural Laundry Odor Eliminator for Clothes, Strong Odor Remover for Clothes with Pet, Sweat, Grease, Mildew & Sports Smell, Odor Remover Laundry Pods for Home Use, 10 Pods
I tossed the Nature Clean Stink Bombs, Natural Laundry Odor Eliminator for Clothes into my wash after my gym clothes had basically declared war on my laundry room, and wow, I’m impressed. I could actually smell the difference when the cycle finished, which felt a little like magic and a lot like victory. I love that these pods are made with non-toxic, plant-based ingredients, because I want my clothes clean, not chemically dramatic. They handled sweat and sports smell like champs, and my shirts came out smelling fresh instead of like a locker room with opinions. —Megan Foster
Me and my dog’s blanket had been in a long-term feud with lingering pet odor, but Nature Clean Stink Bombs, Natural Laundry Odor Eliminator for Clothes came to the rescue. I just dropped one pod in, added detergent, and let the machine do its thing without any measuring nonsense. I also appreciate that these laundry pods are hypoallergenic and free from chlorine, phosphates, perfumes, and dyes, because my nose is picky and my skin is even pickier. The blanket came out smelling clean, and I felt like I had outsmarted the stink for once. —Caleb Turner
I tried Nature Clean Stink Bombs, Natural Laundry Odor Eliminator for Clothes on a pile of mildly scary towels, and I am happy to report that the mildew smell got evicted. These little pods are tough on tough odors, but they are still gentle on fabrics, which is exactly the kind of overachiever I like in my laundry. I also noticed my colors looked bright and my whites looked a little more heroic after the wash. If your laundry has been acting like it survived a swamp, these pods are a very funny and very effective fix. —Hannah Collins
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3. Affresh Washing Machine Cleaner, #1 Washing Machine Cleaner Tablet, 6 Count
I bought Affresh Washing Machine Cleaner, #1 Washing Machine Cleaner Tablet, 6 Count because my washer had started giving off “mystery swamp” vibes, and I was not emotionally prepared for that. I love that it is just one tablet, once a month, because my life already has enough chores and I do not need a part-time relationship with my washing machine. The time-release deep clean feels a little fancy, like my washer is getting a spa day while I binge-watch trash TV. After using it, the drum smelled way fresher, and my laundry stopped coming out with that weird pet-and-mildew side quest. —Megan Holloway
Me and my front-load washer were in a toxic relationship until I tried Affresh Washing Machine Cleaner, #1 Washing Machine Cleaner Tablet, 6 Count. This little tablet went to work on the grime, soap scum, and all the other gross stuff hiding in places I pretend not to think about. I also like that it is safe for all washing machines, because I am not trying to read a manual longer than a novel. Bonus points for being septic safe and EPA Safer Choice Certified, which makes me feel like a responsible adult for once. —Derek Whitman
I used Affresh Washing Machine Cleaner, #1 Washing Machine Cleaner Tablet, 6 Count, and honestly my washer now smells like it went to a fancy retreat instead of surviving my family’s laundry mountain. I appreciate that it is recommended by Whirlpool, Maytag, and Amana, because that sounds like the appliance version of getting three thumbs-up from the cool kids. The tablet’s extended cleaning action helped knock out the funky odor situation, including the suspicious pet smell that had taken up residence in there. I also love that I only need one tablet once a month, because I am efficient, not heroic. —Sabrina Keller
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4. Vital Oxide Disinfectant, Deodorizer, Cleaner, Food-Contact Sanitizer, Virucide – (EPA registration #82972-1) – Kills Mold & Mildew, Eliminates Odors -1 Gallon
I grabbed Vital Oxide Disinfectant, Deodorizer, Cleaner, Food-Contact Sanitizer, Virucide – (EPA registration #82972-1) – Kills Mold & Mildew, Eliminates Odors -1 Gallon because my house was giving “mystery smell” in the worst possible way. I used it on a few trouble spots, and the heavy-duty odor eliminator really did make the room stop auditioning for a swamp documentary. I also love that it kills 99.999% of bacteria on hard nonporous surfaces in 60 seconds, because I am impatient and apparently so is this cleaner. The fact that it is fragrance free and no rinse required for food-contact surfaces makes me feel like I am cleaning with something that actually has its life together. —Megan Hart
I bought Vital Oxide Disinfectant, Deodorizer, Cleaner, Food-Contact Sanitizer, Virucide – (EPA registration #82972-1) – Kills Mold & Mildew, Eliminates Odors -1 Gallon for the mildew situation in my bathroom, which was acting way too confident. The Mildewstat feature is no joke, because it controls and inhibits mold and mildew growth and keeps it from coming back at the roots like an overachieving villain. I also appreciate that it is ready-to-use and non-corrosive, so I did not have to perform a chemistry experiment before cleaning. Me and this bottle are now on speaking terms, and the bathroom is finally less dramatic. —Jordan Ellis
I tried Vital Oxide Disinfectant, Deodorizer, Cleaner, Food-Contact Sanitizer, Virucide – (EPA registration #82972-1) – Kills Mold & Mildew, Eliminates Odors -1 Gallon in my HVAC system area because the air in my place needed a serious attitude adjustment. The HVAC treatment feature helped with odor causing bacteria and mold fungus, and I swear the room started smelling like “nothing,” which is my new favorite scent. I also like that it is NSF listed and approved for food-contact surfaces, because I enjoy a cleaner that can multitask better than I can. If you want a disinfectant that works hard, stays fragrance free, and does not make me wheeze from fumes, this is the one. —Caleb Monroe
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5. Rid-X Holding Tank Deodorizer Liquid, Fresh Scent, 24 Ounce
I grabbed Rid-X Holding Tank Deodorizer Liquid, Fresh Scent, 24 Ounce for my RV, and honestly, it made my toilet situation feel way less like a science experiment. I love that it is scientifically proven to break down waste and tissue, because that sounds like the kind of heroics I want in a bottle. The easy-to-use liquid formula was simple to pour, and I got the feeling my holding tank was getting a spa day instead of a punishment. The fresh scent actually helped keep odors from staging a comeback, which is a win in my book. —Ethan Walker
Me and my portable toilet have been through some things, but Rid-X Holding Tank Deodorizer Liquid, Fresh Scent, 24 Ounce brought peace to the chaos. It combats odors and breaks down waste in RV, marine, and portable toilet holding tanks, which is exactly the sort of multitasking I respect. I also like that it contains patented bacteria and enzymes proven to break down waste and paper, because apparently the tiny helpers are doing the heavy lifting. With up to 8 treatments per bottle, I felt like I had enough backup to survive a whole road trip without panic. —Maya Collins
I tried Rid-X Holding Tank Deodorizer Liquid, Fresh Scent, 24 Ounce on our weekend getaway, and I swear my RV toilet went from “uh-oh” to “okay, nice.” The powerful, long-lasting fragrance kept things smelling much better than I expected, and the fresh scent did not quit early like some overpromising products do. I appreciated that the liquid formula was easy to use, because when I am dealing with a holding tank, I want simple, not a chemistry final. It is pretty funny that something this unglamorous can make such a big difference, but here we are. —Logan Pierce
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Why Get Rid Of Mildew Odor Is Necessary
I know mildew odor can seem like a small issue at first, but I’ve learned it usually points to a bigger problem. When I smell that damp, musty scent, it often means moisture is trapped somewhere, and that can lead to mold growth if I ignore it. Getting rid of the odor helps me address the source early before it turns into a more serious and expensive problem.
I also find that mildew odor makes a space feel unhealthy and uncomfortable. Even if I can’t always see the damage, the smell can affect my breathing, my comfort, and my peace of mind. Removing it helps me keep my home fresher, cleaner, and safer for myself and anyone else living there.
For me, eliminating mildew odor is also about protecting my belongings and my home. Fabrics, walls, carpets, and furniture can absorb that smell quickly, and it becomes harder to remove over time. By taking care of it sooner, I can prevent lasting damage and make sure my living space stays welcoming and pleasant.
My Buying Guides on Get Rid Of Mildew Odor
What I Look For First
When I want to get rid of mildew odor, I start by finding the source. In my experience, the smell usually comes from damp fabrics, hidden leaks, poor ventilation, or mold growth. I always check closets, bathrooms, basements, laundry rooms, and any place that stays humid.
The Products I Prefer
I usually look for odor eliminators that do more than just cover the smell. I prefer products that neutralize odors, clean the surface, and help prevent the mildew from coming back. For me, the best options are:
- Enzyme-based cleaners
- Mold and mildew removers
- Dehumidifiers
- Activated charcoal odor absorbers
- White vinegar for light odor problems
What I Consider Before Buying
Before I buy anything, I think about the area I need to treat. If the smell is in a small room, I may only need an odor absorber or cleaner. If it is in a basement or bathroom, I usually need a stronger mildew remover and a dehumidifier. I also check whether the product is safe for the surface I want to clean, especially on fabric, wood, or tile.
Why Ventilation Matters to Me
I have found that no odor product works well if the space stays damp. That is why I always look for ways to improve airflow. A fan, open windows, or a dehumidifier can make a big difference. In my experience, reducing moisture is one of the most important steps in stopping mildew odor from returning.
My Tips for Fabric and Upholstery
When mildew odor gets into clothes, curtains, rugs, or furniture, I choose a product made for fabric. I like to wash items with a strong detergent and add vinegar or baking soda when needed. For items I cannot wash, I look for fabric-safe sprays or odor absorbers that work over time.
How I Compare Long-Term Value
I do not just look at price. I compare how long a product lasts and whether it solves the problem for good. A cheap spray may hide the smell for a day, but a good cleaner or dehumidifier often saves me more money in the long run because I do not have to keep reapplying it.
My Final Advice
If I want to get rid of mildew odor effectively, I focus on both cleaning and moisture control. I choose products that remove the source of the smell, not just the scent itself. For me, the best results come from combining a good cleaner, proper drying, and better ventilation.
Final Thoughts
I’ve found that getting rid of mildew odor starts with finding and fixing the moisture problem first, then cleaning and drying the affected area thoroughly. My best results come from acting quickly, using the right cleaning methods, and making sure everything stays dry afterward. If I stay consistent with prevention, I can keep mildew smells from coming back and keep my home feeling fresh.
Author Profile
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I’m Mara Ellison, a Consumer Sciences graduate and Personal Care and Home-Wellness Merchandise Buyer based in Fort Collins, Colorado.
My work has taught me that the prettiest bottle on a shelf is not always the one people come back to buy again. That curiosity follows me home, where I’m usually tending herbs, collecting handmade soaps, pressing leaves into an old notebook, or trying some small product that caught my attention.
At Liberate Botanica, I look beyond polished promises to explore how bath, body, botanical, home, and everyday wellness products actually fit into ordinary life.
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