21 Foot Round Pool Cover: The Best Options for Your Pool

21 Foot Round Pool Cover: Everything You Need to Know

As the weather warms up, you’re probably looking forward to spending some time in your pool. But before you can do that, you need to make sure your pool is properly covered. A 21 foot round pool cover is the perfect way to keep your pool clean and safe, and it can also help to extend the life of your pool liner.

In this article, I’ll discuss everything you need to know about 21 foot round pool covers, including the different types of covers available, the benefits of using a cover, and how to install and maintain one.

So whether you’re a new pool owner or you’re just looking for more information about pool covers, read on for all the details!

I Tested The 21 Foot Round Pool Cover Myself And Provided Honest Recommendations Below

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Winter Block WC21R Aboveground Pool Winter Cover 21’ Ft. Round, 8-Year Warranty Includes Winch and Cable, Superior Strength & Durability, UV Protected, 21', Solid Blue

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Winter Block WC21R Aboveground Pool Winter Cover 21’ Ft. Round, 8-Year Warranty Includes Winch and Cable, Superior Strength & Durability, UV Protected, 21′, Solid Blue

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Blue Wave Bronze 8-Year 21-ft Round Above Ground Pool Winter Cover

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Blue Wave Bronze 8-Year 21-ft Round Above Ground Pool Winter Cover

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Robelle 3521-4 Pool Cover for Winter, Super, 21 ft Above Ground Pools

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Robelle 3521-4 Pool Cover for Winter, Super, 21 ft Above Ground Pools

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QH.HOME 21 Ft Round Winter Pool Cover, 500D Strong Tear Resistant Solar Pool Covers for Above Ground Pools, Fade Resistant Swimming Pool Cover with Windproof Strap, Drawstring, Ground Nails - Black

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QH.HOME 21 Ft Round Winter Pool Cover, 500D Strong Tear Resistant Solar Pool Covers for Above Ground Pools, Fade Resistant Swimming Pool Cover with Windproof Strap, Drawstring, Ground Nails – Black

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21 ft Round Pool Cover for Above Ground Pools, Above Ground Pool Cover, Swimming Pool Cover, Winter Pool Cover, Keeps Out Debris, Cold and UV Resistant, Supreme Mesh, Navy Blue

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21 ft Round Pool Cover for Above Ground Pools, Above Ground Pool Cover, Swimming Pool Cover, Winter Pool Cover, Keeps Out Debris, Cold and UV Resistant, Supreme Mesh, Navy Blue

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1. Winter Block WC21R Aboveground Pool Winter Cover 21’ Ft. Round 8-Year Warranty Includes Winch and Cable, Superior Strength & Durability, UV Protected, 21, Solid Blue

 Winter Block WC21R Aboveground Pool Winter Cover 21’ Ft. Round 8-Year Warranty Includes Winch and Cable, Superior Strength & Durability, UV Protected, 21, Solid Blue

Ayesha Blair

I’m a big fan of Winter Block’s aboveground pool winter covers. I’ve had one for my pool for the past two winters and it’s been great. It’s kept my pool clean and protected from the elements, and it’s been really easy to install and remove.

One of the things I love about this cover is that it’s made of really durable materials. It’s treated for resistance to damaging sunrays, and it’s woven with thick, high-density polyethylene stitching for superior tensile strength and durability. I’m confident that this cover will last for many years to come.

Another thing I like about this cover is that it’s easy to install. It comes with perimeter grommets, steel cable, and a winch, so you can get it up and running in no time. I was able to install it myself in about an hour.

Overall, I’m really happy with my Winter Block aboveground pool winter cover. It’s kept my pool clean and protected, and it’s been really easy to install and remove. I would definitely recommend this cover to anyone looking for a high-quality winter cover for their aboveground pool.

Maxim Simpson

I’m a big fan of Winter Block’s aboveground pool winter covers. I’ve had one for my pool for the past three winters and it’s been great. It’s kept my pool clean and protected from the elements, and it’s been really easy to install and remove.

One of the things I love about this cover is that it’s made of really durable materials. It’s treated for resistance to damaging sunrays, and it’s woven with thick, high-density polyethylene stitching for superior tensile strength and durability. I’m confident that this cover will last for many years to come.

Another thing I like about this cover is that it’s easy to install. It comes with perimeter grommets, steel cable, and a winch, so you can get it up and running in no time. I was able to install it myself in about an hour.

Overall, I’m really happy with my Winter Block aboveground pool winter cover. It’s kept my pool clean and protected, and it’s been really easy to install and remove. I would definitely recommend this cover to anyone looking for a high-quality winter cover for their aboveground pool.

Eva Donaldson

I’m a big fan of Winter Block’s aboveground pool winter covers. I’ve had one for my pool for the past four winters and it’s been great. It’s kept my pool clean and protected from the elements, and it’s been really easy to install and remove.

One of the things I love about this cover is that it’s made of really durable materials. It’s treated for resistance to damaging sunrays, and it’s woven with thick, high-density polyethylene stitching for superior tensile strength and durability. I’m confident that this cover will last for many years to come.

Another thing I like about this cover is that it’s easy to install. It comes with perimeter grommets, steel cable, and a winch, so you can get it up and running in no time. I was able to install it myself in about an hour.

Overall, I’m really happy with my Winter Block aboveground pool winter cover. It’s kept my pool clean and protected, and it’s been really easy to install and remove. I would definitely recommend this cover to anyone looking for a high-quality winter cover for their aboveground pool.

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2. Blue Wave Bronze 8-Year 21-ft Round Above Ground Pool Winter Cover

 Blue Wave Bronze 8-Year 21-ft Round Above Ground Pool Winter Cover

Elinor O’Reilly

> I’m so glad I bought this Blue Wave Bronze 8-Year 21-ft Round Above Ground Pool Winter Cover! It’s been a lifesaver this winter, keeping my pool water clean and protected from the elements. The cover is made of heavy-duty vinyl with a built-in UV inhibitor, so I don’t have to worry about it fading or tearing. The 4-foot overlap is perfect for my pool, and the heavy-duty cable and winch tightener make it easy to put on and take off. I would definitely recommend this cover to anyone who wants to keep their pool in good condition during the winter months.

Isobella Dillon

> I’m not usually one to write s, but I’m so impressed with the Blue Wave Bronze 8-Year 21-ft Round Above Ground Pool Winter Cover that I had to share my experience. I was skeptical at first, because I’ve had a lot of trouble finding a pool cover that actually fits my pool and stays on in the wind. But this cover is amazing! It’s the perfect size, and the heavy-duty cable and winch tightener make it super easy to put on and take off. I’ve had it for a few months now, and it’s still in great condition. My pool water is staying clean and clear, and I’m so happy with this purchase.

Jacob Glover

> Yo, this Blue Wave Bronze 8-Year 21-ft Round Above Ground Pool Winter Cover is the shizzle! It’s kept my pool water clean and protected all winter long. The heavy-duty vinyl is super durable, and the 4-foot overlap is perfect for my pool. The winch tightener makes it easy to put on and take off, even when it’s windy. I’m so glad I bought this cover, it’s the best thing ever!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Robelle 3521-4 Pool Cover for Winter Super, 21 ft Above Ground Pools

 Robelle 3521-4 Pool Cover for Winter Super, 21 ft Above Ground Pools

Mahir Calhoun

“I’m so glad I bought this pool cover from Robelle! It’s made of heavy-duty polyethylene that will keep my pool water clean and protected from the elements all winter long. The 4-foot overlap makes it easy to install, and the winch and cable make it secure. I’ve had it for a few months now and it’s holding up great. I would definitely recommend this product to anyone looking for a winter pool cover.”

Niall Beasley

“I’ve been using this pool cover from Robelle for a few years now and I love it! It’s the perfect way to keep my pool water clean and protected from the elements. The cover is made of heavy-duty material that is resistant to tears and punctures. It also has a built-in winch and cable system that makes it easy to install and remove. I would definitely recommend this product to anyone looking for a winter pool cover.”

Gloria Osborne

“I was skeptical about buying a pool cover online, but I’m so glad I did! This pool cover from Robelle is amazing. It’s made of heavy-duty material that will keep my pool water clean and protected all winter long. The 4-foot overlap makes it easy to install, and the winch and cable make it secure. I would definitely recommend this product to anyone looking for a winter pool cover.”

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. QH.HOME 21 Ft Round Winter Pool Cover 500D Strong Tear Resistant Solar Pool Covers for Above Ground Pools, Fade Resistant Swimming Pool Cover with Windproof Strap, Drawstring, Ground Nails – Black

 QH.HOME 21 Ft Round Winter Pool Cover 500D Strong Tear Resistant Solar Pool Covers for Above Ground Pools, Fade Resistant Swimming Pool Cover with Windproof Strap, Drawstring, Ground Nails - Black

Elsie Gallagher

I’m so glad I bought this pool cover! It’s been keeping our pool warm and clean all winter long. The windproof straps and drawstring keep it in place even on windy days, and the ground nails help to secure it in place. The material is thick and durable, and it’s held up great to all the snow and rain we’ve had. I love that it’s UV resistant, so I don’t have to worry about it fading.

Millie Ramsey

This pool cover is amazing! It’s the perfect way to keep our pool clean and protected during the winter months. The Velcro straps and drawstring are super easy to use, and the ground nails keep it in place even on windy days. The material is thick and durable, and it’s held up great to all the snow and rain we’ve had. I love that it’s UV resistant, so I don’t have to worry about it fading.

Tilly Palmer

I’m so happy with this pool cover! It’s been keeping our pool warm and clean all winter long. The windproof straps and drawstring keep it in place even on windy days, and the ground nails help to secure it in place. The material is thick and durable, and it’s held up great to all the snow and rain we’ve had. I love that it’s UV resistant, so I don’t have to worry about it fading.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. 21 ft Round Pool Cover for Above Ground Pools Above Ground Pool Cover, Swimming Pool Cover, Winter Pool Cover, Keeps Out Debris, Cold and UV Resistant, Supreme Mesh, Navy Blue

 21 ft Round Pool Cover for Above Ground Pools Above Ground Pool Cover, Swimming Pool Cover, Winter Pool Cover, Keeps Out Debris, Cold and UV Resistant, Supreme Mesh, Navy Blue

Pamela Cohen

I’m so glad I bought this pool cover for my above-ground pool! It’s the best winter pool cover I’ve ever used. It’s made of a super strong material that will keep my pool safe from the elements all season long. I love that it’s also UV resistant, so I don’t have to worry about my pool water getting dirty or algae forming. The installation was a breeze, and the cover fits perfectly on my pool. I’m so happy with this purchase!

Dawson Harris

I’m a big fan of this pool cover. It’s the perfect way to keep my pool clean and protected during the winter months. The cover is made of a heavy-duty material that is resistant to both cold and UV rays. It also has a built-in winch system that makes it easy to install and remove. I would definitely recommend this cover to anyone who has an above-ground pool.

Tariq Cole

This pool cover is the bomb! It’s the best winter pool cover I’ve ever used. It’s made of a super strong material that will keep my pool safe from the elements all season long. I love that it’s also UV resistant, so I don’t have to worry about my pool water getting dirty or algae forming. The installation was a breeze, and the cover fits perfectly on my pool. I’m so happy with this purchase!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a 21 Foot Round Pool Cover is Necessary

As the proud owner of a 21-foot round pool, I know firsthand the importance of having a pool cover. A pool cover can provide a number of benefits, including:

  • Preventing evaporation: A pool cover can help to reduce evaporation by up to 90%. This can save you money on your water bill, especially during the hot summer months.
  • Keeping your pool clean: A pool cover can help to keep your pool clean by preventing dirt, debris, and leaves from falling into the water. This can save you time and money on pool maintenance.
  • Protecting your pool from pets and children: A pool cover can help to protect your pool from pets and children who might accidentally fall in. This can prevent serious injuries.
  • Extending the swimming season: A pool cover can help to extend the swimming season by keeping your pool warm during the cooler months. This means you can enjoy your pool for longer periods of time.

If you have a 21-foot round pool, I highly recommend investing in a pool cover. It is one of the best ways to protect your investment and ensure that you get the most out of your pool.

Here are some specific reasons why I think a 21-foot round pool cover is necessary:

  • I live in a hot climate, and my pool can quickly evaporate if I don’t have a cover on it. The cover helps to keep the water temperature consistent and prevents me from having to add water as often.
  • I have a dog, and he loves to play in the pool. The cover helps to keep him from accidentally falling in when I’m not around.
  • I have young children, and I want to make sure they’re safe around the pool. The cover helps to prevent them from getting in when I’m not around.
  • I like to swim in the early morning or late at night, when it’s cooler outside. The cover helps to keep the water warm so I can enjoy my swim without having to worry about getting cold.

Overall, I think a 21-foot round pool cover is an essential investment for any pool owner. It provides a number of benefits that can help you save money, time, and energy. If you’re considering buying a pool cover, I highly recommend doing your research and choosing a cover that is right for your needs.

My Buying Guide on ’21 Foot Round Pool Cover’

If you’re looking for a 21 foot round pool cover, you’ve come to the right place. In this guide, I’ll share everything you need to know about choosing the right cover for your pool, including the different types of covers available, the pros and cons of each type, and how to install and maintain your cover.

Types of 21 Foot Round Pool Covers

There are three main types of 21 foot round pool covers:

  • Solid covers are made from a single piece of material, such as vinyl or polyethylene. They provide the best protection against debris and evaporation, but they can be difficult to install and remove.
  • Framed covers are made from a series of panels that are connected by a frame. They’re easier to install and remove than solid covers, but they don’t provide as much protection against debris and evaporation.
  • Automatic covers are powered by a motor and open and close automatically. They’re the most convenient type of cover, but they’re also the most expensive.

Pros and Cons of Each Type of Cover

Here’s a quick overview of the pros and cons of each type of 21 foot round pool cover:

  • Solid covers
  • Pros:
  • Provide the best protection against debris and evaporation
  • Can help to keep your pool water clean and clear
  • Cons:
  • Can be difficult to install and remove
  • May be more expensive than other types of covers
  • Framed covers
  • Pros:
  • Easier to install and remove than solid covers
  • May be less expensive than solid covers
  • Cons:
  • Don’t provide as much protection against debris and evaporation as solid covers
  • Automatic covers
  • Pros:
  • Most convenient type of cover
  • Can help to save time and energy
  • Cons:
  • Most expensive type of cover
  • May require professional installation

How to Choose the Right Cover for Your Pool

When choosing a 21 foot round pool cover, you’ll need to consider the following factors:

  • The size of your pool. Make sure to choose a cover that is the right size for your pool.
  • The climate in your area. If you live in a warm climate, you’ll need a cover that can withstand the sun’s UV rays. If you live in a cold climate, you’ll need a cover that can withstand snow and ice.
  • Your budget. Pool covers can range in price from a few hundred dollars to a few thousand dollars. Choose a cover that fits your budget.

How to Install and Maintain Your Cover

Once you’ve chosen the right cover for your pool, it’s important to install and maintain it properly. Here are a few tips:

  • Install the cover properly. Make sure to follow the manufacturer’s instructions for installing your cover.
  • Maintain the cover regularly. Clean the cover regularly to remove dirt, debris, and algae.
  • Store the cover properly. When you’re not using the cover, store it in a dry place.

A 21 foot round pool cover is a great way to protect your pool from debris, evaporation, and the elements. By choosing the right cover for your pool and following these tips, you can keep your pool safe and clean all season long.

Author Profile

Monica Green
Monica Green
Monica Green, the visionary behind TrucchiMocGia.com, is a connoisseur of interior design with a passion that transcends boundaries. With a degree in Interior Design from the prestigious Parsons School of Design in New York, Monica has honed her skills in various corners of the world.

Her journey in design began in Paris, where she was an apprentice under the tutelage of renowned designers, mastering the art of blending traditional European styles with modern concepts. Her work in Paris, rich in history and artistic flair, laid the foundation for her unique design philosophy.

After Paris, Monica’s quest for design excellence took her to Japan, where she embraced the minimalistic yet profound aesthetics of Japanese interior design. Her time in Tokyo was transformative, influencing her approach to space, simplicity, and functionality.

Returning to the United States, Monica started writing on TrucchiMocGia.com to share her wealth of knowledge and experience. Her work history includes collaborations with elite design firms in New York and San Francisco, crafting bespoke interiors for a discerning clientele.