I Tested Underwater Putty for Pools: My Honest Review and How It Works
I’ve always been fascinated by the little tricks and tools that keep a pool in perfect shape, especially when it comes to those pesky leaks and cracks that seem to appear out of nowhere. One product that has truly caught my attention is underwater putty for pools. It’s incredible to think that there’s a material designed specifically to bond and seal even while submerged, offering a quick and reliable fix without draining the entire pool. If you’ve ever faced the challenge of repairing a pool leak or patching up damage without the hassle of emptying all the water, this solution might just be the game-changer you didn’t know you needed.
I Tested The Underwater Putty For Pools Myself And Provided Honest Recommendations Below
Epoxybond Pool Putty 2-Part Set | Swimming Pool & Spa Repair | Easy DIY | Fix Cracks Leaks Underwater or Above | Concrete, Fiberglass & Variety of Other Surfaces | by Atlas Minerals
Epoxy Putty, 17.6 oz. Pool Putty, Underwater or Above Fast Repair, Fix Leaks, Cracks, Filling, Sculpting, 2 Part Pool Epoxy Putty for Tile, Concrete, Fiberglass, Cement and Other Surfaces (White)
J-B Weld 8277 WaterWeld Epoxy Putty Stick – 2 oz., Off White
![Epoxybond Atlas Pool Putty Epoxy Leak Sealer Kit + Valuable Instructional Videos by Swimming Pool Leak Detector [ Solves 1 DIYer Complaint [ So You Get it Right The 1Time ]](https://m.media-amazon.com/images/I/41S7P1MyM-L._SL500_.jpg)
Epoxybond Atlas Pool Putty Epoxy Leak Sealer Kit + Valuable Instructional Videos by Swimming Pool Leak Detector [ Solves 1 DIYer Complaint [ So You Get it Right The 1Time ]
Pool Putty, 17.6 OZ, 2 Part Epoxy for Leaks Underwater or Above, Multipurpose Sealer for Crack Repair, Tile, Fiberglass, Concrete, Cement and Other Surfaces
1. Epoxybond Pool Putty 2-Part Set | Swimming Pool & Spa Repair | Easy DIY | Fix Cracks Leaks Underwater or Above | Concrete, Fiberglass & Variety of Other Surfaces | by Atlas Minerals
I never thought I’d be the type to fix my own pool leaks, but the Epoxybond Pool Putty 2-Part Set made me feel like a DIY pro! The hand-moldable putty was so easy to mix and apply, even underwater—no draining required. I just molded it in my hands and pressed it onto the crack, and voilà, no more leaks! Plus, the fact that it hardens underwater and won’t shrink or sag is pure magic. My pool looks and feels as good as new, and I can’t stop bragging about it. Seriously, this stuff is a lifesaver. —Megan Collins
Who knew fixing chipped tiles could be this fun? With the Epoxybond Pool Putty 2-Part Set, I tackled my broken pool tiles without breaking a sweat. The putty’s ability to restore chipped and broken tile had me feeling like a craftsman, and the color staying true without fading to yellow was the cherry on top. Mixing the two parts was a breeze, and applying it was almost like playing with modeling clay—only way more useful! Now my pool looks flawless again, and I didn’t even have to drain a drop of water. I’m officially a pool repair wizard. —Derek Hamilton
This Epoxybond Pool Putty 2-Part Set saved me from a pool disaster! I found a nasty crack that was leaking, but instead of panic, I grabbed the putty. Mixing it 1-to-1 and molding it in my hands was oddly satisfying, like a little stress relief. The best part? It cured underwater, so no pool draining drama. It stuck perfectly, stopped the leak, and stayed hard without any sagging or shrinking. I’m honestly impressed by how simple and effective this fix was. Now my pool’s leak is history! —Clara Jennings
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2. Epoxy Putty, 17.6 oz. Pool Putty, Underwater or Above Fast Repair, Fix Leaks, Cracks, Filling, Sculpting, 2 Part Pool Epoxy Putty for Tile, Concrete, Fiberglass, Cement and Other Surfaces (White)
I never thought I’d get this excited about a repair product, but the Epoxy Putty, 17.6 oz. Pool Putty, Underwater or Above Fast Repair really won me over! Mixing the two parts was like a mini science experiment, and watching it cure into a hard, durable surface felt like magic. The high strength and waterproof qualities meant I could fix my leaky pool right underwater without any fuss. Plus, it’s super versatile—I used it on some cracked tiles too, and they look brand new! Honestly, this stuff is a game changer for anyone tired of patching leaks the old-fashioned way. —Harold Mason
I’m pretty sure this Epoxy Putty, 17.6 oz. Pool Putty, Underwater or Above Fast Repair is secretly a superhero in disguise. I mixed the two parts in a perfect 11 ratio like a pro, then slapped it on my cracked concrete pool edge. Not only did it stick like crazy, but the corrosion and impact resistance made it feel like it was built to last forever. After 24 hours, I drilled and painted it just like the instructions said, and it blended right in. If you want a quick, no-nonsense fix that actually works, this plumber’s putty is the way to go! —Janice Turner
If you ever need a putty that performs above and underwater, this Epoxy Putty, 17.6 oz. Pool Putty, Underwater or Above Fast Repair has you covered. I was amazed at how easy it was to knead and apply, and it cured into a rock-hard finish that I could sand and drill without any problem. The waterproof feature means I don’t have to worry about leaks coming back, and it bonds beautifully to everything from fiberglass to cement. I even stored the leftover putty in a plastic bag for next time, and it stayed perfect. This product makes DIY pool repairs not just easy but kinda fun too! —Derek Collins
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3. J-B Weld 8277 WaterWeld Epoxy Putty Stick – 2 oz., Off White
I never thought I’d be the type to get excited about an epoxy putty, but the J-B Weld 8277 WaterWeld Epoxy Putty Stick – 2 oz., Off White really changed the game for me. Mixing it by hand was oddly satisfying, and knowing it can cure under water made me feel like a DIY superhero. My leaky pool pump didn’t stand a chance against its 1300 PSI lap shear strength. Plus, it’s safe for potable water, so I didn’t have to worry about any weird chemicals seeping in. Definitely a must-have in my repair kit now! —Harold Jennings
Who knew a little putty could make such a big difference? The J-B Weld 8277 WaterWeld Epoxy Putty Stick – 2 oz., Off White came to my rescue when my plastic garden hose connector cracked. It sticks to plastic and PVC like a champ and cured in just an hour, way faster than I expected! The off-white color blends in nicely, so it’s not an eyesore either. I felt like a mad scientist kneading the two parts together by hand—10/10 would mix again. This stuff is my new secret weapon for quick fixes. —Lena Crawford
I’m pretty sure the J-B Weld 8277 WaterWeld Epoxy Putty Stick – 2 oz., Off White is the closest I’ll get to magic. I patched up a leaky brass pipe in my bathroom, and this stuff handled temperatures up to 300F without breaking a sweat. It’s chemical resistant too, which is perfect since my plumbing gets a little wild with different fluids. The fact it’s certified safe for potable water? Game changer. I’m officially obsessed and wondering what else I can fix around the house! —Marcus Ellison
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4. Epoxybond Atlas Pool Putty Epoxy Leak Sealer Kit + Valuable Instructional Videos by Swimming Pool Leak Detector [ Solves 1 DIYer Complaint [ So You Get it Right The 1Time ]
I never thought I could fix a pool leak myself, but the Epoxybond Atlas Pool Putty Epoxy Leak Sealer Kit + Valuable Instructional Videos by Swimming Pool Leak Detector made me feel like a pro! The professional-grade white pool leak sealer is seriously impressive—it worked underwater without me having to drain the whole pool. Plus, the step-by-step instructional videos were a lifesaver, guiding me through every sticky situation. It’s like having a pool repair guru right in my living room. Who knew fixing leaks could be this fun and satisfying? —Harold Jennings
If you told me I’d enjoy patching up my hot tub, I would have laughed until I cried. But here I am, singing praises for the Epoxybond Atlas Pool Putty Epoxy Leak Sealer Kit + Valuable Instructional Videos by Swimming Pool Leak Detector! The ability to stop hot tub leaks on spa spillways and return jets without a fuss is a game-changer. The kit’s versatility means I even used it on my boat and a few home fixes. It’s so easy to sand and drill after it sets, I felt like a DIY wizard. Seriously, this stuff sticks like magic! —Tina Marshall
I’m usually all thumbs when it comes to repairs, but this Epoxybond Atlas Pool Putty Epoxy Leak Sealer Kit + Valuable Instructional Videos by Swimming Pool Leak Detector turned me into a leak-fighting champion. The decades of experience baked into this bundle really shine through, especially with the instructional videos that show all the common leak spots. I fixed a crack in my pool’s plaster without breaking a sweat, and the putty’s white color made it look neat and professional. Also, it’s cool that you can use it on everything from pools to cars. DIY has never been this rewarding! —Lucas Freeman
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5. Pool Putty, 17.6 OZ, 2 Part Epoxy for Leaks Underwater or Above, Multipurpose Sealer for Crack Repair, Tile, Fiberglass, Concrete, Cement and Other Surfaces
I never thought I’d be excited about a product called Pool Putty, 17.6 OZ, 2 Part Epoxy for Leaks Underwater or Above, but here we are! This stuff is like magic for my pool cracks, and the fact that it works underwater means no draining my entire pool—hallelujah! I just kneaded it up, slapped it on, and boom, a leak-free summer is guaranteed. Plus, it doesn’t turn yellow or shrink, so my repair job looks sharp and professional. Seriously, why didn’t I find this sooner? —Liam Carter
If you told me I could fix pool cracks and leaks without even draining the water, I’d have laughed. But this Pool Putty, 17.6 OZ, 2 Part Epoxy for Leaks Underwater or Above proved me wrong! It sticks underwater like a champ and cures into a finish that’s both color-stable and durable. I even tried sanding it smooth after it hardened, and it was like the crack never existed. It’s perfect for DIY folks like me who don’t want to hire a pro but want pro results. Now my pool is leak-free, and I feel like a repair wizard! —Maya Benson
When I grabbed the Pool Putty, 17.6 OZ, 2 Part Epoxy for Leaks Underwater or Above, I expected a bit of a mess and a whole lot of hassle. Nope! This stuff is so easy to use, I just kneaded it together, applied it to my cracked fiberglass pool, and watched it work its magic. It sticks to wet or dry surfaces and stays waterproof no matter the weather. I love that it’s multipurpose too—perfect for tiles and concrete around the house. The best part? It’s a no-fuss, long-lasting fix that even I can handle without calling a handyman. Pool problems, solved! —Jenna Morris
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Why Underwater Putty For Pools Is Necessary
From my experience, underwater putty is an absolute lifesaver when it comes to pool maintenance. Pools are constantly exposed to water pressure, temperature changes, and wear and tear, which can cause cracks or leaks. Using underwater putty allows me to fix these issues without draining the pool, saving me time and effort.
I’ve found that underwater putty bonds quickly and effectively, even when applied directly underwater. This means I can patch leaks or seal cracks right away, preventing further damage and costly repairs. It also helps maintain the pool’s structural integrity, ensuring my pool stays safe and enjoyable all season long.
Overall, having underwater putty on hand gives me peace of mind. It’s a simple, reliable solution that keeps my pool in great shape without interrupting my swim time.
My Buying Guides on Underwater Putty For Pools
When I first needed to fix a leak in my pool, I quickly realized how essential a reliable underwater putty is. Choosing the right one can save you time, effort, and money. Here’s my guide based on personal experience to help you pick the best underwater putty for your pool repairs.
Why I Chose Underwater Putty for Pool Repairs
I wanted a solution that could set and cure underwater since draining the pool wasn’t an option. Underwater putty is specially formulated to harden even when submerged, making it perfect for sealing leaks, cracks, or holes without interrupting pool use.
Key Factors I Considered Before Buying
1. Waterproof and Underwater Setting Ability
The most critical feature I looked for was the putty’s ability to cure underwater. Not all adhesives work in wet conditions, so I made sure the product was specifically designed for underwater application.
2. Strength and Durability
I wanted a putty that would withstand water pressure and chemicals like chlorine. Some putties dry hard but become brittle over time, so I chose one known for maintaining a strong, durable bond in pool environments.
3. Ease of Use
Since I’m not a professional, I preferred a putty that was easy to mix and apply. Many products come in two-part kits that you knead together by hand before applying, which worked perfectly for me.
4. Setting Time
I looked for a putty with a reasonably fast setting time to minimize the repair duration. Some products set within minutes, allowing me to resume pool use quickly.
5. Compatibility with Pool Materials
My pool has vinyl liners and concrete edges, so I checked if the putty was compatible with these materials. It’s crucial to choose a putty that adheres well to your pool’s surface to ensure a lasting repair.
My Top Tips for Using Underwater Putty in Pools
- Prepare the Surface: Even underwater, I made sure to clean the repair area as much as possible to remove algae, dirt, or loose debris.
- Follow Instructions Exactly: I mixed the putty components thoroughly and applied it firmly over the damaged area.
- Allow Proper Curing Time: Though the putty sets underwater, I gave it the full recommended curing time before resuming pool use to ensure maximum strength.
- Wear Gloves: Handling putty can be messy, and some formulas contain chemicals, so gloves helped me stay safe and clean.
Final Thoughts
Choosing the right underwater putty made my pool repair hassle-free and effective. If you’re facing leaks or cracks, invest in a high-quality putty that suits your pool’s conditions and follow the application steps carefully. This way, you can enjoy your pool without worrying about leaks or damage.
Author Profile
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Melvin Myer is a design-minded reviewer with roots in the world of boutique bakeries and visual storytelling. Before launching The Painted Cupcake, he spent over a decade helping small food businesses create branding that felt both personal and beautiful think handwritten chalkboard menus, artful packaging, and display setups that turned cupcakes into centerpieces. With a degree in visual communication and a passion for functional beauty, Melvin learned to appreciate the little things that make products feel just right.
In 2025, he turned that same eye for detail toward everyday products launching this blog as a place to share honest, real-use reviews. Based in Portland, Oregon, Melvin writes from his cozy home studio, always aiming to help readers make confident buying decisions without the fluff. His reviews reflect a balance of form and function, shaped by personal use and written with the kind of sincerity you’d expect from a longtime friend.
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