designer pool covers A swimming pool with lounge chairs and umbrella.

Do pool covers get Mouldy?

Many pool owners ask, “Do pool covers get mouldy?” It’s a valid concern. Pool covers can indeed develop mould and bacteria if not properly cared for. This blog will guide you through preventing and tackling that unwanted growth – keeping your pool cover in prime condition.

Let’s dive in!

Key Takeaways

  • Pool covers can get mouldy due to moisture, debris build – up, and environmental factors.
  • Mould damages pool covers by making them brittle and reducing their lifespan.
  • Regular cleaning with mild detergents and ensuring good ventilation helps prevent mould growth on pool covers.

The Risk of Mould Buildup on Pool Covers

A pool cover covered in mould and debris surrounded by stagnant water.
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Mould buildup on pool covers can pose health risks and compromise the cover’s functionality. Factors such as water, moisture, and debris accumulation contribute to the growth of mould and bacteria.

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Factors contributing to mould growth

Moisture is a key player in mould growth on pool covers. Drips, floods, or even condensation can create the perfect environment for fungi to thrive. Strong winds add more trouble by causing safety pool covers to strain excessively.

This damage makes it easier for mould to take hold.

Environmental conditions also play a big part. Relative humidity levels, temperature changes, and weather-related stress all influence how quickly and extensively mould can grow. Pool maintenance precautions are crucial in combating these factors.

Remember, keeping your pool cover dry and well-maintained reduces the chances of mould setting up camp.

The Impact of Mould on Pool Covers

A dirty and mouldy pool cover next to a pool in a bustling atmosphere.
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Mould can reduce the lifespan and effectiveness of pool covers, leading to potential health risks for users due to bacteria buildup – read more for effective prevention and maintenance tips.

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Effects on pool cover lifespan

Mould and bacteria do not just sit quietly on your pool cover; they actively attack it. These unwanted guests feed on the materials, causing them to break down over time. This can lead to brittleness, especially when combined with harsh UV rays from constant sunlight exposure.

A brittle pool cover is more likely to crack or tear, significantly reducing its lifespan.

Regular maintenance plays a crucial role in protecting your pool cover from these damaging effects. By keeping mould and bacteria at bay, you also guard against the corrosive impacts of pool chemicals and environmental stressors like UV radiation.

A well-maintained cover enjoys enhanced durability and longevity, ensuring it can protect your pool for years without major issues. Remembering to clean and inspect your cover regularly saves you money in the long run by extending its useful life.

Preventing and Removing Mould from Pool Covers

Regularly clean your pool cover by removing debris and using a mild detergent solution. Ensure proper ventilation and sunlight exposure to prevent mould growth on the pool cover.

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Regular cleaning and maintenance practices

To keep your pool cover in top condition, regular cleaning and maintenance are crucial. Start by removing debris such as leaves, dirt, and insects using a soft brush or broom. This step prevents mould from finding a home on your cover.

Next, mix mild cleaning solutions with water to gently scrub away any visible mould or mildew spots. It’s important to choose non-toxic cleaners to avoid damaging the pool cover material.

For effective maintenance, apply these practices consistently after heavy rainfalls or at least once every month during the swimming season. Ensure you also rinse the cover thoroughly with clean water after cleaning to remove any residue of the cleaning solution.

Following these steps will extend the lifespan of your pool cover and keep it looking as good as new for longer periods.


Yes, pool covers can indeed get mouldy. Moisture and lack of maintenance are the culprits here. But don’t fret—regular cleaning and some care can keep mould at bay. It’s all about prevention and timely action.

Keeping your pool cover in top shape ensures it lasts longer and stays healthy for everyone around.

Discover more about maintaining your pool’s integrity with our guide on whether pool covers can leak and how to address it.


1. Do pool covers get mouldy over time?

Yes, pool covers can develop mould over time if not properly maintained and cleaned.

2. How often should I clean my pool cover to prevent mould growth?

Regular cleaning is recommended, ideally every 1-2 months, to prevent the development of mould on pool covers.

3. Can I use regular household cleaners to remove mould from a pool cover?

Yes, you can use household cleaners, but it’s essential to ensure they are safe for the specific material of your pool cover.

4. Will sunlight help prevent mould growth on a pool cover?

Sunlight exposure can help inhibit mould growth on a pool cover by reducing moisture buildup and inhibiting fungal development.

5. Are there any specific maintenance tips to prevent or remove mould from a pool cover?

Regularly removing debris, ensuring proper drainage, and allowing the cover to fully dry before storage can help prevent and remove mould from a pool cover.