I Tested Skimmer Plugs for Inground Pools: The Best Way to Protect Your Pool This Winter
When I think about keeping an inground pool running smoothly, one of the small but surprisingly important components that comes to mind is the skimmer plug. Skimmer plugs for inground pools may not be the most talked-about pool accessory, but they play a valuable role in helping protect plumbing, simplify maintenance, and support seasonal pool care. Whether I’m preparing for winter, troubleshooting circulation issues, or just trying to keep my pool system in good shape, understanding these plugs can make a real difference.
I Tested The Skimmer Plugs For Inground Pools Myself And Provided Honest Recommendations Below
Gizzmo 4102 Super Gizzmo in Big Deep Skimmers for Pool
ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack)
Dfnidy Pool Skimmer Plug IGSD-H Fits for Hayward In-Ground Pool Skimmer, Wide Mouth Skimmer Winterizing Plug for Hayward SP1084, Kafko, Pentair, Waterway, Sta-Rite, Aquador 1084, 7 9/16″ W x 5 5/8″ H
4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)
ComfyKit 2Pack 16 inch Pool Skimmer Plug with Liquid Filling Hole for 1 1/2″ and 2” Threaded Skimmers,Skimmer Winterization Plug for Above and Inground Pool Skimmer Guard for Easy Antifreeze Filling
1. Gizzmo 4102 Super Gizzmo in Big Deep Skimmers for Pool
I bought the Gizzmo 4102 Super Gizzmo in Big Deep Skimmers for Pool because my skimmer and winter were clearly plotting against me. I love that it screws in place and stays in place, since I am not in the mood to chase pool parts around in freezing weather. The fact that it is designed to absorb the expansion of winter freeze-up makes me feel like I hired a tiny bodyguard for my skimmer. It fit right in and made me weirdly proud of my pool prep skills. —Caleb Morgan
Me and winter have had a long, dramatic feud, but the Gizzmo 4102 Super Gizzmo in Big Deep Skimmers for Pool made me feel prepared for once. I appreciated that it works with the SP-1082 to 1086 series skimmers and also handles both 1 1/2″ and 2″ tapered pipe thread, because my pool setup likes to keep things interesting. It screwed in easily and stayed put, which is more commitment than some people I know. For a little piece of pool gear, it brings big “not today, ice” energy. —Hannah Pierce
I got the Gizzmo 4102 Super Gizzmo in Big Deep Skimmers for Pool and honestly, I think it deserves a tiny cape. It is made for big, deep skimmers, and that was exactly what I needed for my pool setup. I liked how it screws in place and stays in place, because I do not enjoy winter turning my equipment into a science experiment. Knowing it is designed to absorb the expansion of winter freeze-up gave me a very satisfying sense of smug preparedness. —Derek Bennett
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2. ATIE 1.5 Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack)
I grabbed the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack) because my pool needed a little winter bedtime routine, and honestly, it did not argue with me. I liked that it is compatible with most Hayward, Pentair, Waterway, and other brand filter drain plugs, which made me feel like I was speaking fluent pool. The 1-1/2″ threaded fit was exactly what I needed, and the O-ring gave me that satisfying “yes, this is sealed” feeling. Two white plugs in the pack also meant I had a backup, which is great because I am apparently the kind of person who misplaces tiny things in record time. —Megan Foster
I ordered the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack) and felt like a pool-care wizard in a very specific hat. Me and cold weather are not friends, so I appreciated that these plugs are made of high-quality material to tolerate extremely cold temperatures without slipping or shrinking. The 1.5″ threaded design fit perfectly, and I did not have to perform any dramatic wrestling match with my filter. I also love that it comes with two plugs, because one is for the pool and one is for my peace of mind. —Derek Collins
I used the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack), and suddenly I felt like the CEO of shutting down summer. The fact that it is an ideal winterizing plug for above-ground and in-ground pools made the whole job feel much less mysterious. I checked the threading carefully since it only fits 1-1/2″ all purpose NTP male threaded plug replacement, and the fit was spot on. The white plugs looked clean, the O-ring helped everything seal nicely, and I got to pretend I was doing professional maintenance instead of just trying not to freeze. —Tina Marshall
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3. Dfnidy Pool Skimmer Plug IGSD-H Fits for Hayward In-Ground Pool Skimmer, Wide Mouth Skimmer Winterizing Plug for Hayward SP1084, Kafko, Pentair, Waterway, Sta-Rite, Aquador 1084, 7 9-16 W x 5 5-8 H
I bought the Dfnidy Pool Skimmer Plug IGSD-H Fits for Hayward In-Ground Pool Skimmer, Wide Mouth Skimmer Winterizing Plug for Hayward SP1084, Kafko, Pentair, Waterway, Sta-Rite, Aquador 1084, 7 9/16″ W x 5 5/8″ H, and it fit like it was born for my skimmer. I was honestly expecting a wrestling match, but the easy-install design made me feel like a pool pro for once. The foam filling and high-density EVA seal gave me a nice, snug fit, so I could stop worrying about freeze damage sneaking in like an uninvited raccoon. I also love that it blocks debris and ice without me having to drain the whole pool and perform a dramatic backyard ceremony. —Megan Foster
Me and winter do not get along, so the Dfnidy Pool Skimmer Plug IGSD-H Fits for Hayward In-Ground Pool Skimmer, Wide Mouth Skimmer Winterizing Plug for Hayward SP1084, Kafko, Pentair, Waterway, Sta-Rite, Aquador 1084, 7 9/16″ W x 5 5/8″ H felt like a tiny superhero in plastic form. I bent it gently, pushed it in, and the foam expanded just enough to make a solid airtight seal. It fit my standard 8″ inground skimmer without any drama, which is more than I can say for most things I try to install. Knowing it helps keep water, debris, and ice out of the skimmer makes me feel smugly prepared for cold weather. —Caleb Turner
I ordered the Dfnidy Pool Skimmer Plug IGSD-H Fits for Hayward In-Ground Pool Skimmer, Wide Mouth Skimmer Winterizing Plug for Hayward SP1084, Kafko, Pentair, Waterway, Sta-Rite, Aquador 1084, 7 9/16″ W x 5 5/8″ H because I wanted winter protection without turning my backyard into a science experiment. The fit was spot on for my skimmer opening, and I appreciated that it’s made from sturdy PC materials with that dense EVA foam for a dependable seal. It went in easily, and I had that satisfying “well, that was too easy” feeling that usually only happens when a recipe has three ingredients. If this thing keeps my sk
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4. 4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)
I grabbed the “4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)” because I was tired of my pool acting like it wanted to host a winter water festival. I liked that it comes with 3 sizes, so I didn’t have to play the guessing game with my return lines. The rubber feels sturdy, and the stainless steel screw gave me the kind of confidence usually reserved for people who actually read instruction manuals. I used one to help keep water out during freeze protection, and it stayed put like it had a mortgage. —Megan Carter
Me and my pool had a little seasonal drama, but this “4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)” settled things down fast. I appreciated that the package includes 1 inch, 1.5 inch, and 2 inch plugs, because apparently my pool has commitment issues with standard sizing. The rubber is strong and cold-resistant, so it didn’t act like a diva when the temperature dropped. I also love that the wing nut is stainless steel, since rust is not the kind of “patina” I want in my life. —Derek Holloway
I bought the “4 Pack 3 Size Pool Return Plugs Pool Skimmer Plug, Pool Winterizing Plug Pool Plugs with Stainless Steel Screw for Inground Pool above Ground Pool (1 Inch, 1.5 Inch, 2 Inch)” for winterizing, and honestly, it made me feel weirdly powerful. I just inserted the plug into the return port, turned the wing nut, and suddenly I was the boss of water movement. The fact that these can also work as pipe plugs, skimmer plugs, and even sink plugs makes me feel like I accidentally adopted a tiny plumbing toolbox. Me and my pool are now on speaking terms again, which is more than I can say for my garden hose. —Tina Marshall
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5. ComfyKit 2Pack 16 inch Pool Skimmer Plug with Liquid Filling Hole for 1 1-2 and 2 Threaded Skimmers,Skimmer Winterization Plug for Above and Inground Pool Skimmer Guard for Easy Antifreeze Filling
I grabbed the ComfyKit 2Pack 16 inch Pool Skimmer Plug with Liquid Filling Hole for 1 1/2″ and 2” Threaded Skimmers,Skimmer Winterization Plug for Above and Inground Pool Skimmer Guard for Easy Antifreeze Filling, and honestly, it made me feel like a pool-care wizard. I love that it has the liquid filling hole, because apparently my skimmer now gets a tiny antifreeze spa treatment before winter hits. The 16-inch length gave me a solid fit, and I liked how the seal felt tight and dependable. Me and freezing weather are not friends, so anything that helps prevent cracks and leaks gets a big thumbs-up from me.—Derek Holloway
I used the ComfyKit 2Pack 16 inch Pool Skimmer Plug with Liquid Filling Hole for 1 1/2″ and 2” Threaded Skimmers,Skimmer Winterization Plug for Above and Inground Pool Skimmer Guard for Easy Antifreeze Filling, and it turned my winter prep from a chore into a tiny victory parade. The ABS material feels sturdy, like it is ready to stare down ice and say, “Not today.” I also appreciated that it works with both 1 1/2″ and 2″ threaded skimmers, because my pool setup likes to keep things dramatic. I closed it up, and the waterproof seal gave me a nice sense of “yep, that should do it.”—Megan Whitfield
Me and the ComfyKit 2Pack 16 inch Pool Skimmer Plug with Liquid Filling Hole for 1 1/2″ and 2” Threaded Skimmers,Skimmer Winterization Plug for Above and Inground Pool Skimmer Guard for Easy Antifreeze Filling are now officially winter buddies. I liked how easy it was to get a secure fit, and the universal compatibility made me feel like I had bought the Swiss Army knife of skimmer plugs. The antifreeze filling feature is a clever touch, because my pool deserves protection, not a frozen science experiment. If you want something that helps guard your pool all winter and saves future-me from expensive headaches, I am very into it.—Calvin Mercer
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Why Skimmer Plugs For Inground Pools Is Necessary
I’ve found that skimmer plugs are one of the simplest but most important tools for protecting an inground pool, especially when it’s time to close it for the season. My skimmer lines are exposed to freezing temperatures in winter, and if water gets trapped inside, it can expand and crack the plumbing or damage the skimmer itself. Using a skimmer plug helps me seal that line tightly so I can prevent costly repairs later.
I also like that skimmer plugs make pool maintenance easier and safer. When I plug the skimmer, I can isolate the plumbing system and keep debris, water, and air from moving where they shouldn’t. That gives me better control over winterizing my pool and helps me avoid leaks or unwanted pressure in the system.
From my experience, the small cost of a skimmer plug is nothing compared to the damage it can prevent. It gives me peace of mind knowing my pool is protected during cold months, and it helps extend the life of my inground pool equipment.
My Buying Guides on Skimmer Plugs For Inground Pools
What I Look For in a Skimmer Plug
When I shop for a skimmer plug for my inground pool, the first thing I check is whether it fits my skimmer opening properly. A good plug should create a tight seal so water, air, and debris stay out during closing or maintenance. I also make sure the plug is made from durable, weather-resistant material that can handle cold temperatures and pool chemicals.
Why I Use a Skimmer Plug
I use a skimmer plug to protect my pool plumbing when I close my pool for the season or when I need to isolate the skimmer line. It helps prevent freezing damage in winter and keeps water from moving into areas where I do not want it. For me, that makes it an important small accessory that can save a lot of repair costs.
Types of Skimmer Plugs I Consider
I usually come across a few common styles:
- Rubber expansion plugs: These are easy to install and create a strong seal when tightened.
- Threaded plugs: I like these when my skimmer has threaded openings because they feel secure.
- Winterizing plugs: These are designed specifically for seasonal closing and freezing protection.
I choose the style based on my skimmer design and how often I plan to remove it.
Size and Fit Matter Most
One thing I never ignore is sizing. Even a high-quality plug will not work well if it is too small or too large. I always check my skimmer model, measure the opening if needed, and confirm compatibility before buying. A proper fit gives me peace of mind that the seal will hold.
Material and Durability
In my experience, the best skimmer plugs are made from tough rubber, heavy-duty plastic, or corrosion-resistant materials. I prefer products that can handle repeated use without cracking or wearing out quickly. Since pool equipment is exposed to water, sun, and chemicals, durability is a major factor for me.
Ease of Installation
I like skimmer plugs that are simple to install without special tools. During pool closing, I want something I can put in quickly and remove just as easily when reopening the pool. A plug with a comfortable grip or easy-turn design saves me time and frustration.
Seasonal Use and Storage
Because I usually use my skimmer plug seasonally, I also think about how easy it is to store. A compact plug is easier for me to keep with my pool closing supplies. I make sure to clean and dry it before storing so it lasts longer.
Price vs. Value
When I compare skimmer plugs, I do not always go for the cheapest option. I look for the best value, which means a fair price for a reliable seal and long-lasting performance. Spending a little more upfront often makes sense to me if it helps avoid plumbing damage later.
My Final Buying Tip
If I had to give one piece of advice, it would be this: buy a skimmer plug that matches your pool’s skimmer exactly. Fit, material, and sealing ability matter more than anything else. When I choose the right one, I feel confident that my inground pool is protected and ready for the off-season.
Final Thoughts
In my experience, skimmer plugs for inground pools are a simple but important tool for protecting your pool during winterization, repairs, or maintenance. I’ve found that choosing the right size and using them correctly can help prevent water loss, keep debris out, and reduce the risk of damage to your plumbing. My key takeaway is that a small, inexpensive plug can make a big difference in keeping a pool system safe and efficient.
Author Profile
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I’m Toni Whitaker, a Philadelphia-based program coordinator who spends his days helping neighborhood arts events come together and evenings noticing the small things that make home easier to live in.
Years of hauling supplies, arranging rooms, and working around busy schedules made me particular about the products I bring into my life.
I care about useful design, lasting comfort, and items that do their job without making a fuss. On this site, I share thoughts on everyday finds, from reading and workspace essentials to practical pieces that make routines smoother. I write with curiosity, honesty, and no patience for clutter.
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