Best Washing Machine Cleaner for Mildew Smell – Top Picks 2026

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Affresh Washing Machine Cleaner, Cleans Front Load and Top Load Washers, Including HE, 6 Tablets

Affresh Washing Machine Cleaner is a powerful product designed to tackle the common problem of mildew smell in washing machines. Whether you have a top-load or front-load machine, including high-efficiency (HE) models, this cleaner is formulated to remove odor-causing residues and grime that accumulate in your washer’s hidden parts. With deep-cleaning capabilities for pumps, valves, tubs, drums, agitators, filters, and hoses, Affresh ensures your machine stays fresh and odor-free, even with extended use.

Pros:

• Deep cleaning action: Affresh Washing Machine Cleaner is specifically designed to clean the most neglected areas of your washer, including the pump, filter, and hose. This deep cleaning helps prevent the buildup of grime and mold that can cause bad odors.
   
• Time-release formula: The cleaner’s time-release tablet offers long-lasting effects, breaking down grime over an extended period for a more thorough clean.
   
• Trusted brand: Affresh is the No.1 selling washing machine cleaner according to Nielsen Scantrack and is highly recommended by major washing machine brands like Whirlpool, Maytag, and Amana. Their endorsement provides a sense of reliability and effectiveness.
   
• Works with various washer types: Whether you have a top-load or front-load washer, or even a high-efficiency (HE) model, Affresh is compatible, ensuring broad usability across different washing machines.
   
• Easy to use: Using Affresh is a straightforward process. Simply drop one tablet into your machine and run a cleaning cycle. No complicated steps are involved, making it user-friendly for anyone.

Cons:

• Costly for regular use: While Affresh is highly effective, it may be on the pricier side if used regularly. Some users may find the cost a bit high, especially for those with larger families or multiple machines.
   
• Not a deodorizer: While it cleans and removes residues that cause odors, it doesn’t necessarily leave a strong, lasting fragrance. Users seeking a fragrant-smelling washer after each clean might need to look for a different product.
   
• Single-use tablets: The tablets are designed for single-use, which can feel wasteful if you only need to clean the machine lightly or on a less frequent basis. This may be a downside for those trying to minimize waste or extend the product’s lifespan.
   
• May not solve extreme mold issues: If the mildew or mold buildup in your machine is particularly severe, Affresh might require multiple applications to fully address the problem. While it’s highly effective, it might not work in one go for stubborn issues.

In conclusion, Affresh Washing Machine Cleaner offers powerful cleaning and deep penetration for a variety of washer models, ensuring the removal of mildew and grime. However, the cost and the single-use nature of the tablets could be a consideration for some users.

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OxiClean Washing Machine Cleaner with Odor Blasters, 4 Count

OxiClean Washing Machine Cleaner with Odor Blasters is designed to target those musty, unpleasant odors that often linger in your washing machine, especially around the drum and other hidden areas. Its unique formula works wonders by removing odor-causing residues and ensuring that your washer remains fresh and clean. Whether you're dealing with a standard or high-efficiency (HE) machine, this cleaner offers an easy-to-use solution for keeping your appliance in top shape.

Pros:

• Powerful odor removal: The OxiClean formula is designed to break down and eliminate the residues that cause odors, making it ideal for households dealing with persistent smells or grime buildup. It helps bring your washing machine back to life by restoring freshness.
   
• User-friendly application: Using the cleaner is a breeze. Simply pour one pouch into the drum and run a hot water cycle—no need to add laundry or other items. After the cycle, just wipe away any remaining residue with a towel, leaving your washer clean and odor-free.
   
• Versatile compatibility: This cleaner works with all types of washing machines, including both standard and high-efficiency (HE) models. Whether you have an older, traditional machine or a newer HE one, OxiClean ensures that your washer is cleaned thoroughly.
   
• Septic-safe: OxiClean has taken care to create a product that's safe for septic tanks. For users with septic systems, this is a key benefit, as it means you can keep your washing machine fresh without worrying about harming your septic setup.
   
• Convenient pack size: With a 4-count box, this cleaner offers multiple uses, making it a cost-effective option for maintaining your washing machine’s cleanliness over time.

Cons:

• No added fragrance: While the cleaner does an excellent job at eliminating odors, it doesn’t leave behind a strong, fresh fragrance. Users who prefer a lingering scent in their washing machine after a clean may find this lack of fragrance disappointing.
   
• Single-use pouches: The cleaner comes in single-use pouches, which can feel wasteful if you're only cleaning your washer lightly or on a less frequent basis. It might also add up in cost for those who require regular maintenance.
   
• Not suitable for laundry loads: This cleaner is designed exclusively for cleaning the washing machine and should not be used with actual laundry. While this is typical for washing machine cleaners, users might wish for a more versatile product that can handle both the machine and laundry.
   
• May require multiple uses for severe buildup: For those with machines suffering from heavy mold or mildew buildup, OxiClean might not remove all the odors or grime with a single use. In such cases, more than one application may be necessary to fully restore freshness.

In summary, OxiClean Washing Machine Cleaner with Odor Blasters provides an effective, simple solution to common washing machine odors, with key benefits like easy application, versatility, and septic safety. However, it might not suit those seeking added fragrances or a product that can clean laundry loads.

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Washing Machine Cleaner Descaler 24 Pack - Deep Cleaning Tablets

The Washing Machine Cleaner Descaler 24 Pack offers a robust solution for maintaining a fresh, clean washing machine. Designed for use in both high-efficiency (HE) and standard top-load or front-load washers, this product is compatible with all major brands such as GE, LG, Samsung, Whirlpool, Maytag, and Electrolux. These eco-friendly tablets not only clean but also help deodorize your washing machine, ensuring your laundry machine smells fresh and your clothes come out cleaner.

Pros:

• Eco-friendly and septic-safe: The natural effervescent tablets are not only great for cleaning but also kind to the environment. Unlike liquid descalers or wipes, they come in minimal packaging, reducing waste. Additionally, they’re septic-safe, so you won’t have to worry about harming your septic system with regular use.
   
• Easy-to-use: You won’t need to spend time brushing or wiping the inside of your washer. Just drop one tablet into the drum, and when exposed to water, it breaks down into a powerful, self-washing powder. This means you get all the cleaning power without the hassle, making it super convenient.
   
• Instant cleaning power: As soon as the tablet interacts with water, it transforms into a deep-scrubbing cleaner that tackles grime, mold, and hard water buildup. This fast-acting power is perfect for people who want to maintain a clean washing machine without dedicating too much time.
   
• Odor elimination: This cleaner does more than just scrub away buildup—it also works as an odor eliminator. Say goodbye to that musty, moldy smell that often accompanies washing machines. The formula freshens your machine's basket, rubber gasket, and internal parts, leaving your laundry machine smelling fresh and clean.
   
• Bulk supply: The 24-pack provides a full year’s worth of cleaning tablets, offering excellent value for money. Compared to other competitors that only offer 5 or 6 tablets per pack, this bulk supply ensures you won’t run out of cleaning tablets too quickly.

Cons:

• Not for dryers: These tablets are intended exclusively for cleaning washing machines, and they should not be used in dryers. While this isn’t an issue for most users, it’s worth noting if you're looking for an all-in-one cleaner for both appliances.
   
• Can be too strong for light cleaning: If your washing machine only needs a light cleaning or occasional touch-up, the powerful cleaning action might be overkill. For users who need something less intensive, this product might feel like too much for their needs.
   
• No added fragrance: While the cleaner does an excellent job at eliminating odors, it doesn’t leave behind a strong, fresh fragrance in the washing machine. Users who prefer a lingering scent after a cleaning session might be disappointed.
   
• Single-use tablets: Each tablet is designed for a single use, which could feel wasteful if you don’t need to clean your washing machine often. Some users may prefer a product that offers multiple uses or can be diluted for lighter cleaning.
   
• May not work for severe mold issues: While the tablets work great for regular maintenance and deodorizing, extremely stubborn mold or mildew might require additional treatments or more than one use to fully resolve the problem.

This washing machine cleaner descaler is a practical and effective solution for keeping your washing machine fresh, clean, and odor-free. It’s eco-friendly, easy to use, and provides excellent value with its 24-tablet pack. However, it might not be the right fit for users with very specific cleaning needs or those who prefer a scented cleaner.

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Green Gobbler Washing Machine Cleaner Tablets with Pipe Clean Technology Deodorizer, 28 Count

Green Gobbler Washing Machine Cleaner Tablets are designed to tackle a wide range of washing machine issues, from stubborn mildew smells to grimy pipes. With an added pipe-cleaning formula, these tablets not only clean your washing machine but also prevent buildup in your pipes, ensuring that your machine runs efficiently. Whether you're dealing with mold, mildew, or general grime, these tablets offer an easy, effective solution for maintaining a fresh and clean washing machine.

Pros:

• Effective deodorizing power: These tablets are specially formulated to remove odors, mold, mildew stains, and grime. The added deodorizing agents help restore freshness to your washing machine, making it smell clean and pleasant. This is particularly beneficial for users struggling with persistent, musty smells in their washers.
   
• Pipe-cleaning formula: One of the standout features of Green Gobbler is its unique pipe-cleaning technology. These tablets not only clean the washing machine but also help prevent the accumulation of grime and limescale in the pipes. This dual-action approach helps keep the washer and its plumbing in top condition, reducing the risk of clogs.
   
• Safe and compatible with all machines: Whether you have a top-load, front-load, or high-efficiency (HE) washing machine, Green Gobbler is safe to use. It’s a versatile option that ensures a deep clean for different types of washers without worrying about compatibility issues.
   
• Environmentally friendly: Green Gobbler takes pride in offering products that are safe for the environment. The tablets are septic-safe and free of harmful chemicals, so you can maintain a clean machine while being kind to the planet. This eco-conscious approach is a huge selling point for environmentally aware customers.
   
• Long-lasting results: Just one tablet provides a full 30 days of cleaning action. This long-lasting effect makes it an efficient and cost-effective solution for regular maintenance. You won’t have to worry about frequent reapplications, as the tablets continue to work over an extended period.
   
• Green Gobbler guarantee: If you're not satisfied with the product, Green Gobbler offers a 30-day money-back guarantee. This shows the company’s commitment to customer satisfaction and confidence in their product’s effectiveness.

Cons:

• Might require additional treatments for severe buildup: While the tablets are effective for routine maintenance, users with heavy mold or mildew buildup may need to apply the cleaner multiple times to fully address the problem. The tablets work well for general cleaning, but they may not be strong enough to tackle extreme cases in one go.
   
• Single-use tablets: Each tablet is designed for a single use, which might feel wasteful if your washing machine only requires light cleaning. For those who prefer products that can be used multiple times or for larger machines, the single-use format may not be ideal.
   
• No added fragrance: While the tablets do a great job of eliminating odors, they don't leave behind a lingering fragrance. Some users may prefer a cleaner that also imparts a pleasant scent to their washing machine after use.
   
• Can be harsh on delicate washers: While generally safe for all machines, the cleaner’s strong formula could be too much for some delicate washers or those with a very gentle cycle. Users with high-maintenance machines should be cautious and may want to test the product on a smaller scale before full use.

Green Gobbler Washing Machine Cleaner Tablets provide an efficient, eco-friendly solution for keeping your washing machine and pipes clean. With the added benefit of a pipe-cleaning formula, they ensure your machine runs smoothly while deodorizing and eliminating grime. However, the product might not be ideal for users with extreme mildew buildup or those looking for a fragrance after cleaning.

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Tide Washing Machine Cleaner with Oxi for Front and Top Loader Washer Machines

Tide Washing Machine Cleaner with Oxi is a go-to solution for those looking to keep their washers in pristine condition. Designed to clean away residue and tackle lingering odors, this product is a powerful tool for maintaining the freshness of your washer. Whether you're dealing with a high-efficiency (HE) machine or a standard washer, Tide's specially formulated cleaner is engineered to meet the demands of both. It’s not just about getting rid of grime; it’s about enhancing the washing experience by freshening the interior of your machine with every use.

Pros:

• Deep cleaning action: The Tide Washing Machine Cleaner features active ingredients that penetrate deep into your washer, lifting away residues and deposits. This makes it particularly effective at removing grime that builds up over time, keeping your washer working optimally.
   
• Odor elimination: One of the standout benefits of this cleaner is its ability to freshen your washer. It eliminates persistent odors, leaving behind a fresh, clean scent. This is a crucial feature for those who deal with musty or moldy smells that can linger in washing machines.
   
• Versatile for all washers: Whether you have a high-efficiency (HE) machine or a standard top-load or front-load washer, Tide is safe and effective for both types. This makes it a great choice for households with mixed washers or those who are unsure if their cleaner will be compatible with their model.
   
• Long-lasting supply: With a 7-month supply in each package, Tide offers good value for money. This extended supply ensures you don’t have to buy new cleaners frequently, making it a cost-effective option for regular machine maintenance.
   
• Frustration-free packaging: The product ships in certified frustration-free packaging, meaning it’s easy to open and convenient to use. There’s no hassle with excessive wrapping or difficult-to-remove plastic—just get straight to using the cleaner.

Cons:

• Not suitable for laundry: While Tide Washing Machine Cleaner works wonders for cleaning your machine, it’s not intended for use with clothes. Some users might be looking for a product that can clean both their washer and laundry in one step, but this product is strictly for the machine itself.
   
• Strong scent may not be for everyone: While the fresh scent is a positive for many, those who prefer a subtle fragrance or no scent at all might find it overpowering. The scent can linger in the washer for a while after use, which might be too much for some users.
   
• Requires regular use for best results: For optimal performance, Tide recommends using the cleaner regularly. If you only use it sporadically, you might not see the same level of cleaning benefits. For users looking for a one-time solution, this may not be the best fit.
   
• Single-use formula: Each packet is designed for a single use, which could be considered wasteful by users who want a more sustainable option. Additionally, this means you'll need to keep purchasing more packets as you maintain your washing machine.

Tide Washing Machine Cleaner is an effective and easy-to-use product that provides deep cleaning and odor elimination for both HE and standard washers. Its ability to remove residues and leave behind a fresh scent makes it a standout option for regular maintenance. However, its single-use format and strong fragrance may not be suitable for every user, particularly those who are looking for a more eco-conscious or subtle-scented alternative.