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Swimming Earplugs Buying Guide

Protect against swimmer's ear, surfer's ear, and water-related infections — with Mack's, the official earplugs of USA Swimming.

Swimming earplugs create a waterproof seal that prevents water from entering the ear canal during swimming, surfing, showering, and other water activities. Water trapped in the ear canal creates a warm, moist environment where bacteria thrive — which is why repeated exposure without protection can lead to swimmer's ear (otitis externa) and, in cold-water conditions, surfer's ear (exostosis), which is abnormal bone growth in the ear canal that can progressively narrow the canal over time.

The entire swimming earplug range at Sleep Solutions is from Mack's — a brand trusted by audiologists, paediatricians, and competitive swimmers worldwide for over 60 years.

Who Needs Swimming Earplugs

Any regular water exposure puts ears at risk. Here's who benefits most.

Regular Swimmers
MOST COMMON

Regular Swimmers

Anyone swimming laps, training, or swimming recreationally on a regular basis. Repeated water exposure is the primary risk factor for swimmer's ear.

Surfers & Ocean Swimmers
SURFER'S EAR

Surfers & Ocean Swimmers

Cold water and wind exposure increases the risk of surfer's ear (exostosis). Earplugs provide a barrier against both water entry and cold-air exposure simultaneously.

Children with Grommets
POST-SURGERY

Children with Grommets

Keeping water out of the ears is essential to prevent complications after grommet surgery. Swimming earplugs provide the waterproof seal needed so kids can return to the pool.

Perforated Eardrums
EAR HEALTH

Perforated Eardrums

Water entering a compromised ear canal can worsen existing conditions or cause reinfection. Earplugs provide a safe barrier during recovery and ongoing management.

Post-Surgery Showering
RECOVERY

Post-Surgery Showering

Earplugs provide reliable water protection during recovery from ear surgery when the ears need to stay completely dry — showering included.

Kayaking, Polo & More
WATER SPORTS

Kayaking, Polo & More

Kayaking, water polo, wakeboarding, snorkelling, and other activities where water regularly enters the ears all benefit from consistent earplug use.

Two Types of Swimming Earplugs

Select a type below to explore how it works, who it suits, and what to expect.

Moldable Silicone Putty — How It Works

A ball of soft silicone putty is shaped by hand and pressed over the ear opening to create a custom airtight and watertight seal. It does not go inside the ear canal — it covers the entrance only. This makes it one of the most universally comfortable ear protection options available.

Because the putty conforms to every unique ear shape on contact, it works equally well for people whose ear canals don't suit pre-formed plugs — which includes a significant proportion of adults and most children.

Best For

Casual to regular swimmers, children, anyone who finds in-canal plugs uncomfortable, post-surgery recovery

Reusability

Up to 5 uses per pair. Discard when no longer sticky, visibly dirty, or no longer forming a seal

Dual Use

Also works as a sleeping earplug — ~22 dB NRR. Comfortable for side-sleeping due to the cover-only fit

Pack Sizes

Individual packs (6 pairs) for personal use. Bulk packs (200 pairs) for pools, clinics, float centres

✓ No canal insertion ✓ Custom fit every time ✓ Safe for children ✓ Dual sleep + swim use ✓ Salt water & chlorine safe ✓ Adult & kids sizes

Triple-Flange AquaBlock — How It Works

A pre-formed plug with three soft silicone flanges that sit inside the ear canal. The multiple flanges create layered seals — water cannot bypass all three rings simultaneously. A long handle with grip ridges makes insertion and removal easy, and prevents the plug from becoming stuck in the canal.

The triple-flange design is engineered for high-activity use — it resists dislodging during vigorous strokes, turns, and wave impact more reliably than single-flange or moldable alternatives.

Best For

Serious swimmers, surfers, body surfers — anyone who needs the most secure seal during vigorous activity

Reusability

Reusable. Wash with mild soap and warm water after each use. Replace every 2-4 weeks with daily use, or when silicone is hard, torn, or deformed

Secure Seal

Three layered flange rings create redundant seals — each ring must fail simultaneously for water to enter

Availability

Adult size only. The long handle with grip ridges is a practical design advantage over short-handled alternatives

✓ Maximum seal security ✓ Stays put in waves ✓ Reusable long-term ✓ Long handle for safe removal ✓ Salt water & chlorine safe

Not sure which type? Moldable putty is the more versatile and comfortable option for most people — it fits any ear shape and works for both water protection and noise reduction. AquaBlock triple-flange is the better choice for serious swimmers and surfers who need a seal that won't dislodge during vigorous activity in waves or fast turns.

Side-by-Side Comparison

Feature Moldable Silicone Putty Triple-Flange AquaBlock
How it sealsCovers the ear opening (no canal entry)Three flanges inside the ear canal
Best useCasual to regular swimming, kids, recoveryCompetitive swimming, surfing, waves
FitCustom-moulds to every ear shapePre-formed — fits most adult ears
ReuseUp to 5 uses per pair2-4 weeks of daily use
Kids sizeYes — bright orange kids version availableAdult size only
Sleep useYes — 22 dB NRRNot recommended (protruding handle)
Pack sizes6 pairs or 200-pair bulk packsIndividual pairs
Water typesPools, ocean, hot tubs, showersPools, ocean, hot tubs, showers
Scuba divingNeither type — specialised vented earplugs required for depths >10 ft

Swimming Earplugs for Kids

The kids range uses the same moldable silicone putty formula as the adult version, sized specifically for smaller ears. Key differences from the adult version:

Mack's Kids Silicone Putty — What Makes It Different

  • Bright orange colour — easy for parents and pool supervisors to see from a distance at all times
  • Sized for smaller ears — provides a better seal for children's ear anatomy and accommodates a wider range of children's ear sizes
  • Cover-only design — the putty seals over the ear opening without entering the canal, making it safer for young children
  • Particularly important for children with grommets — creates the waterproof barrier needed after grommet surgery to allow swimming to resume safely

Available in individual packs (6 pairs) for regular use, and 200-pair bulk packs suited to swim schools, paediatric clinics, and pool facilities.

How to Use Moldable Silicone Earplugs

Four steps to a watertight seal every time.

1
Clean & Dry

Clean & Dry

Ensure hands and the outer ear are clean and dry. Moisture or oils on the skin reduce the putty's adhesion.

2
Roll into a Ball

Roll into a Ball

Roll the entire plug into one smooth ball. Do not break it into smaller pieces — use the full plug for each ear.

3
Press & Seal

Press & Seal

Place the ball over the ear opening and press gently to flatten and form an airtight seal. Keep hair clear of the seal area.

4
Remove Gently

Remove Gently

Press up from behind the ear to loosen the seal, then peel away slowly. Never yank — break the seal first.

Do not insert moldable putty into the ear canal. These earplugs are designed to cover the ear opening only. Pushing putty into the canal makes it difficult to remove and can cause injury. Do not break the plug into smaller pieces — use the full plug as a single ball for each ear.

Activity Depth Guide

Swimming earplugs are not designed for use at pressure depth. Here's what you need to know.

Surface
Swimming laps, snorkelling, ocean swimming, hot tubs, showering
✓ Safe
0-3 m
Shallow pool diving, body surfing, kayak roll practice
✓ Safe
3-10 m
Freediving, deep pool training — pressure begins to affect seal
⚠ Caution
> 10 m
Scuba diving — pressure changes can force plugs further in or create a dangerous seal. Use specialised vented dive earplugs
✗ Not Safe

Hot tubs and saunas are safe. Mack's silicone is stability-tested at over 175°C. Hot tubs typically reach around 40°C and saunas around 77°C — well below the threshold. The silicone may become slightly more pliable in warm water but will not melt or lose its shape.

Find the Right Swimming Earplugs

Browse the full Mack's swimming earplug range, or speak with one of our sleep and wellness specialists if you have questions about which product is right for you.

National Disability Insurance Scheme

Sleep Solutions is a registered NDIS provider

Sleep Solutions is registered as a provider with the NDIS

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Frequently Asked Questions

Why wear Swimming Earplugs?

Wearing swimming earplugs is a preventative measure that can enhance the swimming experience by providing protection for the ears. Water entering the ear canals might cause discomfort and potentially lead to various ear problems. Here's why wearing swimming earplugs can be beneficial:

  • Preventing Swimmer's Ear: This common infection, also known as otitis externa, occurs when water gets trapped in the ear, creating a moist environment where bacteria can grow. Earplugs can help prevent this condition by keeping the ears dry.
  • Protection for Ear Tubes or Pre-existing Conditions: Individuals who have ear tubes or pre-existing ear conditions may need to keep their ears dry to avoid complications. Swimming earplugs provide a barrier to prevent water entry.
  • Comfort and Focus: Keeping water out of the ears helps to avoid the sensation of water-logged ears and can enhance comfort while swimming. This may allow swimmers to focus more on their technique and enjoyment of the water.
  • Preventing Surfer's Ear: In cold water conditions, earplugs can help in preventing surfer's ear, a condition where abnormal bone growth occurs in the ear canal due to repeated exposure to cold wind and water.
  • Reduction of Noise: In some cases, swimming earplugs might be used to reduce noise distraction during swimming, allowing better concentration and focus on performance, particularly for competitive swimmers.


By wearing swimming earplugs, you can enjoy your time in the water with peace of mind, knowing that you are taking care of your ear health.

Are Swimming Earplugs safe?

Swimming earplugs are generally considered safe for use, especially when properly selected, fitted, and maintained. They are designed to keep water out of the ears while swimming or engaging in other water activities, thus preventing possible infections or discomfort. Made from soft materials like silicone or specially moulded rubber, they are usually gentle on the ears and create a secure yet comfortable seal.

However, there are some considerations to keep in mind for safe usage:

  • Proper Fit: Choosing the right size and type that fit the ear comfortably ensures that the earplugs won't cause pressure or irritation. Custom-fitted earplugs can be an option for optimal comfort.
  • Cleanliness: Keeping the earplugs clean and dry when not in use helps prevent the growth of bacteria or mould that might lead to ear infections.
  • Avoid Overuse: Continuous and prolonged usage without breaks might lead to ear irritation or other issues, so following the guidelines provided with the earplugs is advised.
  • Consult a Professional: For individuals with specific ear conditions or concerns, it might be wise to consult with a healthcare professional or audiologist to select the most suitable earplugs.


When used correctly, swimming earplugs can be a safe and beneficial tool for water enthusiasts of all ages.

Which type of Earplugs are best for swimming?

Selecting the best earplugs for swimming depends on individual preferences, needs, and comfort. Different materials and designs cater to various needs, and there is no one-size-fits-all solution. Here are some common types of swimming earplugs, each with its characteristics:

  • Silicone Earplugs: Moldable silicone earplugs are popular for swimming as they can be shaped to fit precisely into the ear canal, providing a custom and snug fit. They effectively seal out water and are ideal for swimmers with different ear canal shapes.
  • Flanged Earplugs: Often made of silicone, rubber, or plastic, flanged earplugs have multiple rings or flanges that create a seal against water entry. These are reusable and can be a good option for those looking for a more durable solution.
  • Custom-Fitted Earplugs: For those seeking a perfect fit, custom-fitted earplugs can be made by an audiologist to match the unique shape of the individual's ear. Though more expensive, they provide an excellent seal and are highly comfortable for regular swimmers.
What is swimmers ear?

Swimmer's ear, also known as "otitis externa", is an infection or inflammation of the outer ear canal. This condition is commonly caused by water that remains trapped in the ear after swimming, creating a moist environment that promotes bacterial growth. When the protective layer of earwax is washed away or disrupted, the ear becomes more vulnerable to infections. Factors contributing to swimmer's ear include swimming in polluted water, aggressive cleaning of the ear canal, or inserting foreign objects into the ear.

Common symptoms of swimmer's ear include:

  • Redness and swelling of the outer ear
  • Itching inside the ear
  • Pain when touching or pulling on the ear
  • Fluid or pus drainage
  • Muffled hearing or hearing loss


It's crucial to consult a healthcare professional if you suspect you have swimmer's ear, as they can provide appropriate treatments, such as antibiotic ear drops, to address the infection.

How do you prevent swimmers ear?

Preventing swimmer's ear, or otitis externa, is essential to maintain good ear health, especially if you frequently engage in water activities. By taking proactive measures, you can reduce the risk of developing this painful condition. The primary goal is to keep your ears dry and maintain the natural protective barrier of earwax, which guards against infections.

Here are some effective strategies to prevent swimmer's ear:

  • Dry your ears thoroughly: After swimming or bathing, gently dry the outer ear with a soft towel. Tilt your head to each side to allow any trapped water to escape.
  • Use ear drops: Over-the-counter ear drops made of a mixture of alcohol and white vinegar can help dry out the ears and maintain an acidic environment that's hostile to bacteria. However, don't use these if you have a perforated eardrum or tubes in your ears.
  • Avoid using cotton buds: Inserting cotton buds or other objects into your ear can push earwax deeper and scratch the delicate skin, making it more susceptible to infection.
  • Wear earplugs or a swimming cap: When swimming, using silicone or rubber earplugs can help keep water out of your ears. A swimming cap that covers your ears offers additional protection.
  • Choose clean swimming areas: Avoid swimming in areas with high levels of pollution or bacteria, as these can increase the risk of infection.


By following these preventative steps, you can enjoy water activities while reducing the likelihood of developing swimmer's ear.

Why are silicone earplugs used for people with ear grommets?

Individuals with ear grommets need to take precautions to prevent water from entering their middle ear, especially during activities such as swimming or bathing. Water entering the middle ear through the grommet can introduce bacteria and potentially cause an infection. To address this concern, silicone earplugs are often recommended for those with grommets. These earplugs are specifically designed to create a watertight seal in the outer ear canal, effectively preventing water from reaching the eardrum and the grommet.

The advantages of using silicone earplugs include:

  • Waterproofing: Silicone earplugs are impermeable to water, ensuring the middle ear remains dry during water-based activities.
  • Customisable Fit: Unlike other types of earplugs, silicone variants can be moulded to fit the unique shape of an individual's ear, ensuring a snug and effective seal.
  • Reusable: They can be used multiple times, making them cost-effective and environmentally friendly.
  • Comfort: Silicone earplugs are soft and pliable, providing a comfortable fit, which is particularly useful for extended use or during sleep.


While silicone earplugs offer many benefits for those with grommets, it's essential to ensure they are cleaned regularly to avoid bacterial build-up. Additionally, users should always consult with their healthcare provider or audiologist to ensure they are using earplugs correctly and safely.

Can swimming earplugs be used for scuba diving?

No. Swimming earplugs should not be used for scuba diving or at depths greater than 10 feet (approximately 3 metres). The pressure changes at depth can force the earplug further into the canal or create a dangerous seal. Scuba diving requires specialised vented earplugs — consult a dive shop for appropriate equipment.

Will swimming earplugs melt in a hot tub or sauna?

No. Mack's silicone is stability-tested at over 175°C. Hot tubs typically reach around 40°C and saunas around 77°C — well below the threshold. The silicone may become slightly more pliable in warm water but will not melt or lose its shape.

Are the moldable silicone earplugs safe for use in salt and chlorinated water?

Yes. Mack's silicone earplugs are safe for use in both saltwater and chlorinated pool water. Rinse with fresh water after use in saltwater to remove residue and extend the plug's usable life.

How many times can I reuse swimming earplugs?

Moldable silicone putty: up to 5 uses per pair. Discard when the putty is no longer sticky, visibly dirty, or has lost its ability to form a seal.

AquaBlock triple-flange: reusable for 2–4 weeks with daily use. Wash with mild soap and warm water after each swim. Replace when the silicone becomes hard, torn, or deformed.

Can I also use swimming earplugs for sleeping?

Moldable putty — yes. Because the putty covers the ear opening rather than inserting into the canal, it is comfortable for side sleeping and provides approximately 22 dB of noise reduction. Many customers use Mack's silicone putty as a dual-purpose earplug for both swimming and sleep.

The AquaBlock triple-flange is less comfortable for sleeping due to the protruding handle. For dedicated sleep earplugs, browse the full earplug range.

My child just had grommets — which earplugs should I use?

The Mack's Kids Silicone Putty is the recommended option for children with grommets. The cover-only design (no canal insertion) creates a reliable waterproof seal over the ear opening without applying pressure inside the canal. Always follow the specific instructions of your child's ENT or audiologist regarding when swimming can resume and what protection is required.

How do I know if the moldable earplug has formed a proper seal?

A properly-sealed moldable earplug will feel slightly muffled — similar to cupping your hands over your ears. There should be no gaps visible around the edge of the plug. If you can still hear clearly or the plug feels loose, remove it, re-roll it into a smooth ball, and re-apply. Make sure the area around the ear opening is dry before pressing the plug into place.