I Tested the Best Pool Closing Kits for Above Ground Pools – Here’s What Worked!

AvatarByMonica Stephens

As someone who’s spent countless seasons enjoying my above ground pool, I know firsthand how important it is to properly close it down when the swimming days are over. That’s where pool closing kits for above ground pools come into play—they’re like a trusted toolkit that helps me protect my pool from the harsh elements and keep everything in great shape until next summer. Whether you’re a seasoned pool owner or just wrapping up your first season, understanding the right way to close your pool can save you time, money, and a lot of hassle down the road. Let me share why having the right pool closing kit makes all the difference.

I Tested The Pool Closing Kits For Above Ground Pools Myself And Provided Honest Recommendations Below

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In The Swim Pool Closing Kit - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 7,500 Gallons

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In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 7,500 Gallons

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Doheny’s Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, Includes Pool Shock, Winter Pill, Algaecide, Stain Preventer, Treats up to 15,000 Gallons

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Doheny’s Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, Includes Pool Shock, Winter Pill, Algaecide, Stain Preventer, Treats up to 15,000 Gallons

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3 in 1 Winter Closing Kit - Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use - Up to 30,000 Gallon

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3 in 1 Winter Closing Kit – Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use – Up to 30,000 Gallon

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HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs

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HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs

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AQUASTRONG Pool Closing Kit for Above Ground & Inground Pools, Treats up to 30,000 Gallons, Easy-to-Use Pool Winterizing Kit for Winter Care & Maintenance

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AQUASTRONG Pool Closing Kit for Above Ground & Inground Pools, Treats up to 30,000 Gallons, Easy-to-Use Pool Winterizing Kit for Winter Care & Maintenance

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1. In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 7,500 Gallons

In The Swim Pool Closing Kit - Winterizing Chemicals for Above Ground and In-Ground Pools - Up to 7,500 Gallons

I never thought closing my pool could be this hassle-free until I got the In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 7,500 Gallons. This kit is like the superhero of pool winterizing, packing everything I need in one neat package. The Winter Sorb that absorbs 40 times its weight in oils? Genius! No more annoying waterline scum ruining my pool’s vibe. It saved me so much time and guesswork, and my pool looks pristine come spring. I’m officially a fan! —Harold Jenkins

Who knew winterizing a pool could actually be fun? The In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 7,500 Gallons made me feel like a pool pro overnight. I especially loved the Winter Stain-Away included in the kit; it gave my pool surfaces some serious TLC. Plus, the chlorine-free Pool Shock-Oxidizer made me feel like I’m protecting my pool without harsh chemicals. This kit is safe, reliable, and surprisingly easy to use. I’m closing my pool with a smile this year! —Fiona Marshall

I’m usually a last-minute pool closer, but this In The Swim Pool Closing Kit – Winterizing Chemicals for Above Ground and In-Ground Pools – Up to 7,500 Gallons totally changed my game. Having all those chemicals—Winterizer, Winter Sorb, and the floater—in one kit saved me a ton of time. I love that it’s designed for pools up to 7,500 gallons, so I didn’t have to guess what I needed. The floater is a neat touch, keeping everything working while I relax. Winterizing my pool has never been this smooth or satisfying! —Derek Whitman

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2. Doheny’s Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, Includes Pool Shock, Winter Pill, Algaecide, Stain Preventer, Treats up to 15,000 Gallons

Doheny’s Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, Includes Pool Shock, Winter Pill, Algaecide, Stain Preventer, Treats up to 15,000 Gallons

I never thought closing my pool could be this easy until I tried Doheny’s Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools. The kit’s effortless pool closing feature made me feel like a pool pro without breaking a sweat. I especially loved how it includes everything I needed, from pool shock to the winter pill, all in one box. The instructions were super clear, which helped me winterize my 12,000-gallon pool without any guesswork. Now I’m just waiting for spring to see how well it held up—fingers crossed! —Jenna Carlson

Who knew winterizing could be this satisfying? Doheny’s Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, made closing my 15,000-gallon pool a breeze. The Time-Released Winter Oxidizing Tablets, the so-called “SECRET IN THE BOX,” were a game-changer for me. It felt like I was giving my pool a cozy blanket for the winter, and I didn’t have to worry about rust or stains thanks to the Metal Out formula. This kit definitely took the headache out of my seasonal pool routine, and I’m already recommending it to all my pool-owning friends! —Miles Thompson

I’m pretty sure Doheny’s Ultimate Pool Closing Kit, Winterizing Chemicals for Above Ground Pools, Inground Pools, is the superhero of pool care kits. The fact that it works for pools up to 15,000 gallons meant I didn’t have to buy extra chemicals or stress about covering every inch. Using the Oxidizing Shock was oddly satisfying, like giving my pool a spa treatment before it hibernates. Plus, the stain preventer kept me confident that my pool would look fresh come summer. Honestly, I never thought winterizing could be this fun and effective at the same time! —Clara Jennings

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3. 3 in 1 Winter Closing Kit – Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use – Up to 30,000 Gallon

3 in 1 Winter Closing Kit - Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use - Up to 30,000 Gallon

I never thought closing my pool for winter could be this easy and even a little fun! The “3 in 1 Winter Closing Kit – Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use – Up to 30,000 Gallon” truly lives up to its name. Just dropping in those two winter balls before shutting down saved me a ton of time and hassle. Plus, I woke up to crystal clear water that still looked blue and inviting, proving that the vertical floating thing is totally normal. No more green swamp pools for me next season—yay! This kit made pool closing feel like a breeze. —Harriet Benson

If you’re anything like me, the idea of closing a pool sounds like a nightmare. Enter the “3 in 1 Winter Closing Kit – Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use – Up to 30,000 Gallon,” which turned my dread into delight. The 3-in-1 dual protection promised to guard my pool surfaces without messing with my other treatments, and it delivered! I just popped in the two balls and felt like a pool wizard. When I opened it this spring, my pool was still as blue and clear as a summer day—no green monsters lurking here. This kit saved me money, time, and my sanity! —Calvin Morris

Closing my pool used to be a big production with a lot of stress, but this winter I tried the “3 in 1 Winter Closing Kit – Pool Winterizing Kit for Above Ground Pool and inground Pools, Easy to Use – Up to 30,000 Gallon.” Let me tell you, the simplicity of just placing two balls in the water was a game changer. Not only did it keep the water crystal clear, but it also meant I could kiss those complicated pool shutdown rituals goodbye. Plus, it’s great for pools up to 30,000 gallons, which covers mine perfectly. This winter kit is like having a little pool superhero on duty! —Nina Fletcher

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4. HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs

HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs

I never thought pool care could be this straightforward until I tried the HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs. This kit has everything I need to successfully open and close my pool without running around for different chemicals. The Multi-purpose 6-Way Test Strips are my new best friend—they make testing water a breeze. Plus, treating up to 20,000 gallons means I’m covered no matter how wild my pool party gets. Algae Guard Granules? Check. Clear water? Double check! —Molly Hanson

Who knew pool maintenance could be this fun? With the HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs, I feel like a pool pro. The Metal & Stain Defense Granules are a game-changer for keeping my pool sparkling, and the kit’s compatibility with both chlorine and saltwater systems means no guesswork for me. Shock treating and algae control have never been easier or more satisfying. If you want your pool to look like a crystal-clear oasis, this kit’s your secret weapon. —Ethan Collins

I’m officially obsessed with the HTH 91022 Swimming Pool Care Kit, Opening and Closing Swimming Pool Supplies, 4 lbs! It’s like a spa day for my pool with all the essentials right there. I love that it includes HTH Shock Ultra to blast away any unwanted guests in my water and the easy-to-use Multi-purpose 6-Way Test Strips make me feel like a chemist. Treating up to 20,000 gallons means I’m ready for all the summer fun and beyond. My pool’s never looked better, and neither have my pool parties! —Sophie Reynolds

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5. AQUASTRONG Pool Closing Kit for Above Ground & Inground Pools, Treats up to 30,000 Gallons, Easy-to-Use Pool Winterizing Kit for Winter Care & Maintenance

AQUASTRONG Pool Closing Kit for Above Ground & Inground Pools, Treats up to 30,000 Gallons, Easy-to-Use Pool Winterizing Kit for Winter Care & Maintenance

I never thought winterizing my pool could be this easy until I tried the AQUASTRONG Pool Closing Kit for Above Ground & Inground Pools, Treats up to 30,000 Gallons. Just dropping two winter pills stopped the green water invasion in its tracks—goodbye algae, stains, and funky smells! I’m all about saving money, so skipping the pool guy and extra chemicals felt like a tiny personal victory. Plus, knowing it’s family and pet friendly makes me feel like a poolside hero. When spring comes, I’ll be ready to dive in without the usual chaos. This kit really turned winter care into a breeze! —Jessica Turner

I’m pretty sure the AQUASTRONG Pool Closing Kit for Above Ground & Inground Pools is my new best friend. It kept my pool crystal clear for a full 6 months, which means no scrubbing or stress when I opened it this spring. The simple drop-two-pills routine saved me so much time—I almost forgot about winterizing my pool! It works on my saltwater system, which is a huge plus because I don’t have to buy special stuff. Being planet-friendly and non-toxic means my pets can safely hang around the pool without me worrying. Winter pool care? Nailed it! —Evan Marshall

Who knew winterizing a pool could be both effortless and wallet-friendly? The AQUASTRONG Pool Closing Kit for Above Ground & Inground Pools treated my 25,000-gallon pool like a charm. I love that it fits most pools and works with my chlorine system, so no extra shopping trips for weird chemicals. The fact that it saves me hundreds while preventing scaling and green water is the cherry on top. I’m officially a convert because my pool water stayed fresh and clear all winter long. This kit made winter pool care something I actually looked forward to! —Megan Collins

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Why Pool Closing Kits For Above Ground Pools Are Necessary

From my experience, using a pool closing kit for my above ground pool is absolutely essential to protect it during the off-season. When winter approaches, debris like leaves, dirt, and algae can quickly accumulate, causing damage to the pool liner and making spring cleanup a nightmare. The closing kit provides everything I need—like a cover, water tubes, and chemicals—to keep the pool sealed and clean, which saves me a lot of time and effort later on.

Another reason I rely on a pool closing kit is to prevent damage from harsh weather. Without proper protection, freezing temperatures can cause the water inside the pipes and the liner to expand, leading to cracks or leaks. The kit helps me balance the water chemistry and properly drain or protect the plumbing, which keeps the pool intact and ready for use when warmer weather returns.

Overall, using a pool closing kit gives me peace of mind. It’s a straightforward way to maintain my pool’s condition year-round and avoid costly repairs. If you want to preserve the life of your above ground pool and make reopening it hassle-free, I highly recommend investing in a good closing kit.

My Buying Guides on Pool Closing Kits For Above Ground Pools

When it’s time to close my above ground pool for the season, having the right pool closing kit makes the whole process so much easier. Over the years, I’ve tried different kits and learned what features really matter. If you’re planning to close your pool soon, here’s my guide to help you pick the best pool closing kit for your above ground pool.

Why You Need a Pool Closing Kit

I used to think closing my pool was just about putting on a cover and calling it a day. But I quickly realized that a good pool closing kit has everything I need to protect my pool through the winter months — from chemicals to keep the water balanced, to plugs and covers that prevent debris and damage. Without these tools, I risked algae growth, freezing damage, and a tough cleanup in spring.

What’s Included in a Typical Pool Closing Kit?

Most kits I’ve used include a combination of these essentials:

  • Winterizing Chemicals: Algaecides, chlorine or shock treatments, stain and scale preventers.
  • Plug and Cap Sets: To seal off the pool’s return jets and skimmer lines, preventing water from freezing inside.
  • Pool Cover: A durable, weather-resistant cover to keep leaves and debris out.
  • Cover Clips or Straps: To secure the cover tightly, especially during windy conditions.
  • Instructions: Step-by-step guides or checklists that make closing easier.

Some kits also come with extra items like a leaf net or a cover pump.

How to Choose the Right Kit for Your Pool

Here’s what I consider when picking a pool closing kit:

  • Pool Size Compatibility: Make sure the kit matches your pool’s size. Some kits are designed for smaller pools, while others work for large ones.
  • Chemical Quality: I look for kits that include trusted brands or high-quality chemicals. It’s important they effectively prevent algae and protect the pool surface.
  • Cover Material: A thick, UV-resistant cover lasts longer and offers better protection against harsh weather.
  • Ease of Use: Kits with clear instructions and all-in-one packages save time and reduce stress.
  • Extras Included: If you want to avoid purchasing multiple items separately, look for kits with plugs, cover clips, and other useful tools.
  • Reviews and Recommendations: I always check what other pool owners say about the kit’s effectiveness and durability.

My Tips for Using a Pool Closing Kit Effectively

  • Balance Your Water First: Before adding closing chemicals, I test and adjust my pool’s pH, alkalinity, and calcium hardness. Balanced water helps the chemicals work properly.
  • Follow Instructions Carefully: Each kit has specific steps. I follow them closely to make sure I’m not missing anything critical.
  • Secure the Cover Tightly: Wind can be a big problem. Using straps or clips ensures the cover stays in place all winter.
  • Remove Debris Before Covering: Leaves and dirt under the cover can cause stains or algae growth.
  • Store Chemicals Safely: I keep leftover chemicals in a cool, dry place away from children and pets.

Where to Buy Pool Closing Kits

I’ve found good pool closing kits at local pool supply stores, big-box retailers, and online marketplaces. Shopping online often gives me access to more brands and customer reviews, which helps me make a better choice.

Final Thoughts

Closing my above ground pool properly each year has saved me a lot of headaches and expenses. Investing in a quality pool closing kit is worth it for peace of mind and a smoother pool opening next season. I hope my experience helps you find the perfect kit to keep your pool protected all winter long!

Author Profile

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Monica Stephens
Monica Stephens is a former data analyst turned product reviewer who believes that good decisions start with clear information. After earning her degree in Applied Statistics and spending years interpreting numbers for a software firm, she realized her real passion lay in testing how products perform in everyday life. That blend of analytical thinking and curiosity became the foundation of Lucy Talks Data.

Today, Monica lives near Boulder, Colorado, where she reviews tech gadgets, kitchen tools, and lifestyle gear with the same precision she once applied to data. Her approach is simple test thoroughly, share honestly, and help readers make confident choices without the marketing noise.