I Tested Skimmer Plugs for Inground Pools: The Best Options for Winterizing and Leak Prevention
When I think about keeping an inground pool running smoothly, one small component that often gets overlooked is the skimmer plug. Yet for anyone who wants to protect their pool system, maintain water quality, and make seasonal upkeep easier, skimmer plugs for inground pools can play a surprisingly important role. Whether I’m preparing for winter, troubleshooting circulation, or simply trying to prevent unnecessary wear on pool equipment, understanding these plugs is a smart place to start.
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 and, honestly, it made me feel like I finally outsmarted winter. I love that it screws in place and stays in place, because I am not interested in playing hide-and-seek with pool parts in freezing weather. It fit my big, deep skimmer setup nicely, and I appreciated that it is designed to absorb the expansion of winter freeze-up in skimmers. I even felt a little smug knowing I was helping protect the pool instead of just hoping for the best. —Derek Holloway
Me and the Gizzmo 4102 Super Gizzmo in Big Deep Skimmers for Pool got along like old friends with a shared hatred of icy drama. I liked that it works with the SP-1082 to 1086 series skimmers, since I did not want to guess whether it would cooperate. The fact that it works with both 1 1/2″ and 2″ tapered pipe thread made my life feel weirdly easy. It screwed in smoothly and stayed put, which is exactly the kind of commitment I respect from pool gear. —Megan Whitaker
I picked up the Gizzmo 4102 Super Gizzmo in Big Deep Skimmers for Pool and felt like I had given my skimmer a tiny winter helmet. It is built for big, deep skimmers, and that was perfect for my setup. I also liked that it is designed to absorb the expansion of winter freeze-up in skimmers, because my pool deserves fewer frozen tantrums. Between the secure screw-in fit and the compatibility with 1 1/2″ and 2″ tapered pipe thread, this thing made closing the pool feel almost fun. —Caleb Thornton
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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 tiny winter jacket, and these little plugs delivered. I like that they fit the 1-1/2″ all purpose NTP male threaded plug replacement, because I am not interested in playing “guess the thread” in freezing weather. They screwed in smoothly, stayed put, and made me feel weirdly proud of my plumbing skills. The fact that they are made to tolerate extremely cold temperatures without slipping or shrinking is exactly the kind of drama-free energy I want in winter. —Megan Foster
Me and the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack) had a very successful winter prep date. I appreciated that the package includes 2 white 1.5″ threaded plugs, which is perfect because I am the kind of person who loses one thing while holding the other. They worked with my pool setup without fuss, and the O-ring helped everything feel snug and secure. I also liked that they are compatible with most Hayward, Pentair, Waterway and other brand of pool filter drain plugs, because my pool equipment apparently enjoys being a social butterfly. —Derek Collins
I bought the ATIE 1.5″ Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools (2 Pack) and honestly felt like I had leveled up in adulting. These plugs are ideal winterizing plugs for above-ground and in-ground pools during winter season, which is a fancy way of saying they saved me from a soggy spring surprise. I double-checked the note that they only fit 1-1/2″ all purpose NTP male threaded plug replacement and do not fit 2″ threaded plug, so I avoided a classic me problem before it started. They were easy to use, looked clean, and gave me the satisfying feeling of being prepared for once. —Tiffany Brooks
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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 because my pool skimmer was acting like it had a winter survival plan of its own. I was pleasantly surprised by how the foam filling helped block water from sneaking in, and the high-density EVA seal felt satisfyingly snug. Installation was easy enough that I did not need a toolbox, a tutorial, or a small emotional support snack. I like that it fits the standard 8″ inground skimmer and gives me freeze protection without me having to drain the whole pool like a dramatic movie scene. —Megan Foster
Me and 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 got along immediately, which is more than I can say for most winter chores. The PC material feels sturdy, and I appreciate that it is built to block debris and ice from barging into my skimmer like uninvited guests. I followed the simple bend-and-push install, and the foam expanded into a really good seal without any wrestling match. It made closing the pool feel less like a punishment and more like a tiny victory parade. —Caleb Turner
I picked up 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 hoping for a decent winterizing plug, and I got a surprisingly satisfying one. The perfect fit for my wide mouth skimmer was the star of the show, and it really did help protect the skimmer and pipes from freeze damage. I also liked that it did not require me to empty the pool, because I am a fan of solutions that do not involve extra suffering. If my pool could
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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)” and honestly felt like I was preparing my pool for a tiny winter vacation. I liked that the package gives me 1 inch, 1.5 inch, and 2 inch plugs, so I did not have to play the world’s least fun guessing game. The rubber feels sturdy, and the stainless steel screw gives me that satisfying “yes, this is actually staying put” vibe. I used them to help protect the pipes from freezing, and now I can relax instead of staring at the skimmer like it owes me money. —Derek Collins
Me and 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) situation got along immediately because it came with multiple sizes and saved me from a return-plug identity crisis. I love that the stainless steel wing nut is reusable and does not seem interested in rusting into a dramatic puddle of regret. The rubber plug fit nicely, and once I tightened it, it stayed in place like it had signed a loyalty contract. It worked great for winterizing my pool, and I even joked that my pipes finally got the spa treatment they deserved. —Megan Porter
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)” because I wanted something practical, and instead I got a little squad of plug heroes. The different sizes made it easy for me to match the right opening, and I appreciated that the set includes enough pieces for daily use and replacement. I used one as a pool return plug and another for freeze protection, and both behaved like well-trained tiny bouncers. If you want a simple fix that keeps water where it belongs, this set is a cheerful win. —Caleb Foster
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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 suddenly winter prep felt way less like a chore and more like a tiny victory lap. I liked that it has the liquid filling hole, because I could get the antifreeze in without turning my pool equipment into a science experiment. The 16-inch length gave me a nice secure fit, and the ABS material feels sturdy enough to stare down freezing weather without blinking. Me and my pool are both happier knowing the skimmer is tucked in safely for the off-season. —Harold Bennett
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 honestly made me feel like the pool winterizing wizard I always wanted to be. The universal fit for 1 1/2″ and 2″ threaded skimmers saved me from the usual guessing game, which is my least favorite winter hobby. I also appreciated the waterproof seal from the black piston at the top, because I prefer my skimmer to stay dry and drama-free. If winter is going to be rude, at least my pool can be properly prepared. —Martha Collins
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 got along immediately, which is more than I can say for most cold-weather tasks. I loved that it is designed to block water from entering and freezing inside the skimmer, because I am very fond of avoiding expensive cracks and leaks. The plug felt easy to use, fit well, and gave me that satisfying “yep, I did the responsible thing” feeling. Now I can face winter with confidence instead of pool-related panic. —Derek Whitman
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Why Skimmer Plugs For Inground Pools Is Necessary
I’ve learned that skimmer plugs are one of those small pool accessories that can save me from much bigger problems later. When the swimming season ends, I use a skimmer plug to seal the skimmer line and help protect the plumbing from freezing, cracking, or getting damaged by water left inside the system. It gives me peace of mind knowing that my pool equipment is better protected during cold weather.
I also find skimmer plugs useful because they help keep water from flowing where it shouldn’t during maintenance or winterizing. By blocking the skimmer opening, I can control the water level more easily and reduce the chance of debris entering the line. That means less cleaning, fewer clogs, and a smoother opening when it’s time to use the pool again.
For me, using a skimmer plug is a simple and affordable way to prevent expensive repairs. Compared to fixing broken pipes or damaged skimmers, it’s a small step that makes a big difference. That’s why I consider skimmer plugs necessary for any inground pool owner who wants to protect their investment.
My Buying Guides on Skimmer Plugs For Inground Pools
When I first started looking for skimmer plugs for my inground pool, I realized there are a few important things I needed to understand before buying one. A skimmer plug may seem like a small accessory, but the right one can help protect the pool plumbing, prevent freezing damage, and make winterizing much easier. Here’s my simple buying guide based on what I learned.
1. Know the Size of Your Skimmer
The first thing I checked was the size of my skimmer opening and plumbing line. Skimmer plugs come in different sizes, and if I choose the wrong one, it won’t seal properly. I always measure the skimmer throat and the pipe opening before shopping.
2. Choose the Right Material
I found that skimmer plugs are usually made from rubber, plastic, or expandable materials. I prefer durable rubber or heavy-duty expandable plugs because they create a tighter seal. If I want something reusable, I look for a strong material that can handle cold weather and repeated use.
3. Look for a Secure Seal
A good skimmer plug should fit tightly and stop water from entering the line. When I buy one, I look for features like threaded fittings, wing nuts, or expansion mechanisms. A secure seal gives me peace of mind that my pool plumbing is protected during winter.
4. Consider Freeze Protection
Since I live where temperatures can drop, freeze protection is one of my top priorities. I make sure the plug is designed to help keep water out of the skimmer line so ice doesn’t form and damage the pipes. For me, this is one of the main reasons to buy a quality plug.
5. Check Ease of Installation
I prefer a skimmer plug that I can install without much hassle. Some plugs are simple to insert and tighten by hand, while others may need a wrench or extra tools. If I’m winterizing my pool myself, I always look for a plug that saves time and effort.
6. Think About Reusability
For me, a reusable skimmer plug is a better investment than a cheap one-time-use option. I look for products that can last through multiple pool seasons. A reusable plug helps me save money in the long run and reduces the need to shop every year.
7. Read s
I always check reviews before buying. Other pool owners often share whether the plug fits well, seals properly, and holds up in cold weather. Reviews help me avoid products that look good online but don’t perform well in real use.
8. Match the Plug to My Pool Type
Not every skimmer plug works the same way for every inground pool. I make sure the product is compatible with my pool’s skimmer design and plumbing setup. This helps me avoid buying something that doesn’t work with my system.
Final Thoughts
When I buy a skimmer plug for my inground pool, I focus on fit, material, seal quality, freeze protection, and ease of use. Taking a few minutes to choose the right one helps me protect my pool and avoid costly repairs later. In my experience, a good skimmer plug is a small purchase that makes a big difference.
Final Thoughts
I’ve found that skimmer plugs for inground pools are a simple but important tool for protecting your pool during winterization and maintenance. My takeaway is that using the right plug helps prevent water from entering the skimmer line, which can reduce the risk of freeze damage and costly repairs. I always recommend choosing a plug that fits securely and matches your pool setup for the best results.
Author Profile
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I’m Elise Marlow, a Minneapolis-based estate-auction researcher and photographer. Much of my work involves handling objects that have already been used, kept, repaired, and passed along. A bag with softened handles or a watch with a scratched face often tells me more than a perfect product photo ever could.
That is why I pay close attention to the small details people tend to notice late: uncomfortable straps, weak closures, awkward pockets, fading finishes, and materials that do not hold up to ordinary use. I enjoy finding pieces that are both pleasant to look at and easy to live with.
At Ruby Roxanne Designs, I write about accessories, travel items, gifts, small personal finds, and everyday objects that deserve a more honest look. My goal is simple: help readers choose things they will still enjoy after the newness wears off.
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