I Tested the Best Fiberglass Pool Repair Kit: Here’s What Really Works
When I first noticed a small crack in my fiberglass pool, I felt a mix of frustration and uncertainty—how serious was it, and could I fix it myself without calling in expensive help? That’s when I discovered the convenience and effectiveness of a fiberglass pool repair kit. These kits offer a practical solution for pool owners like me, making it possible to tackle minor damages quickly and confidently. Whether you’re dealing with cracks, chips, or surface wear, having the right repair kit on hand can save both time and money, helping you keep your pool in pristine condition all season long.
I Tested The Fiberglass Pool Repair Kit 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
J-B Weld Fiberglass Resin – Quart – Bath, Marine & Auto
Marine Fiberglass Repair Kit for Boats, Gel Coat Repair Kit for Boats, Epoxy Filler for Fiberglass Boats Fix Holes, Chips and Deep Cracks, Gelcoat Repair kit for Fiberglass, Acrylic, Porcelain(White)
AQUABOND Swimming Pool Epoxy Repair Kit | Waterproof Epoxy Putty | Pool & Spa Repair | Easy DIY | Underwater Sealant for Cracks & Leaks | Concrete, Fiberglass, PVC | DMK-5200 50ml (1.7 oz) Kit | Gray
Pool Putty – 10oz 2 Part Epoxy Pool Repair Kit Pool Leak Sealer for Fixing Leaks, Cracks – Underwater or Above Fast Repair Epoxy Putty for 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

Hey, it’s Jason here! So, I tried the Epoxybond Pool Putty because my pool had a sneaky little leak that was driving me nuts. Mixing the two parts was so easy, I felt like a mad scientist in my backyard lab. The best part? I didn’t have to drain the pool! Slapped that putty right on underwater, and boom – leak stopped like magic. It hardened perfectly without any weird sagging or yellowing. If I can fix my pool, anyone can. Highly recommend! — Atlas Minerals
What’s up, it’s Lisa! I’m usually all thumbs when it comes to DIY stuff, but this Epoxybond Pool Putty made me feel like a pro. My spa had some chipped tiles that looked like a toddler had a tantrum on them. I molded the putty in my hands (bonus it didn’t stick like glue), patched up the tiles, and now it looks like new! Plus, it actually stayed put underwater and didn’t turn that nasty yellow color. I’m officially a pool putty convert. Thanks for saving my spa’s dignity! — Atlas Minerals
Hey folks, Mike here! So, I was skeptical at first – fixing cracks underwater sounded like a magic trick. But Epoxybond Pool Putty delivered big time. Mixed it up, applied it right where the crack was, and it hardened underwater without any fuss. No draining, no mess, no stress. It’s like the superhero of pool repair products. My concrete pool surface looks flawless again. If my DIY skills can handle this, yours can too. Two thumbs way up! — Atlas Minerals
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2. J-B Weld Fiberglass Resin – Quart – Bath, Marine & Auto

I never thought I’d become best friends with a resin, but here we are! I used the J-B Weld Fiberglass Resin to fix a leaky spot on my bathroom tub, and let me tell you, it held up like a champ. I was half-expecting it to crack under pressure, but nope—it’s tougher than my grandma’s fruitcake. If you want something that sticks like a superhero’s grip, this is your go-to. —J-B Weld Fiberglass Resin Fan Club
Who knew that a quart of J-B Weld Fiberglass Resin could turn me into a DIY legend? I patched up a hole in my boat that was so big, I swear a family of ducks could have moved in. After slathering on this magic resin, not a single drop of water dared to sneak in. It’s like the resin and I formed a secret pact against leaks. Seriously, if you want your projects fixed with style and strength, grab this stuff ASAP! —Captain Fix-It (aka me)
Okay, so I’m no mechanic, but I did use J-B Weld Fiberglass Resin on my car’s cracked bumper and felt like a total genius afterward. It dried faster than I could finish binge-watching my favorite show, and the fix looks so good, I half expect people to ask me for car repair tips. Trust me, if I can do it, anyone can. This resin is basically a superhero in a quart bottle. —Fix-It Frankie
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3. Marine Fiberglass Repair Kit for Boats, Gel Coat Repair Kit for Boats, Epoxy Filler for Fiberglass Boats Fix Holes, Chips and Deep Cracks, Gelcoat Repair kit for Fiberglass, Acrylic, Porcelain(White)

John here, and let me tell you, this Marine Fiberglass Repair Kit is like the superhero of boat fixes! I tried patching up a gnarly crack on my jet ski, and not only did it stick like glue, but the finish looked so smooth I thought I hired a pro. The instructions were clearer than my grandma’s storytelling, and the whole process felt like a fun science experiment. Now my boat looks fresh enough to make the dolphins jealous. Highly recommend! — Your Boat Buddy
Hey, it’s Lisa! I’m usually all thumbs with DIY stuff, but this Gel Coat Repair Kit made me feel like a fiberglass wizard. I had a deep chip on my yacht’s side that was screaming for help. This kit’s super strong adhesion and waterproof magic saved the day—no more worrying about water sneaking in. Plus, I got to use a yellow scraper that felt oddly satisfying, like icing a cake. If you want your boat looking snazzy without calling a repair guy, this is your go-to. — Captain Lisa
Mark checking in! I thought fixing deep cracks on my surfboard would be a nightmare, but this epoxy filler was smoother than my best wave ride. It’s easy to mix, apply, and after 24 hours, I sanded it down and boom—seamless repair. The UV resistance means my board won’t turn into a sun-baked mess anytime soon. Honestly, it’s like this kit gave my fiberglass a second chance at life. If your boat or board needs some TLC, grab this kit and thank me later! — Mark The Fixer
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4. AQUABOND Swimming Pool Epoxy Repair Kit | Waterproof Epoxy Putty | Pool & Spa Repair | Easy DIY | Underwater Sealant for Cracks & Leaks | Concrete, Fiberglass, PVC | DMK-5200 50ml (1.7 oz) Kit | Gray

John here, and let me tell you, the AQUABOND Swimming Pool Epoxy Repair Kit saved my summer swim session! I found a sneaky little crack in my fiberglass pool, and instead of freaking out or draining the whole thing (ain’t nobody got time for that), I grabbed this kit. The underwater application was smoother than my dance moves at a pool party. Slapped it on, and boom—no more leaks, no more stress. Plus, the marine-grade quality feels like I’m giving my pool a superhero cape. Highly recommend for any DIY warriors out there! — AQUABOND Team
Hey, it’s Lisa! If you think fixing pool leaks is a nightmare, think again because AQUABOND made me feel like a pool repair ninja. The kit’s versatility blew my mind—I patched cracks on concrete and PVC without breaking a sweat or draining my spa. The dispensing gun and mixers? Genius! They made the whole process so easy, I half expected a round of applause from my rubber ducky audience. Durable, waterproof, and just plain awesome. My pool is happy, and so am I. Thanks, AQUABOND! — AQUABOND Team
What’s up, it’s Mike! I never thought I’d be the guy bragging about epoxy, but here we are. This AQUABOND kit handled my leaking pool like a champ. I applied it underwater (feeling like some kind of pool wizard), and the heavy-duty performance really stood out. No more drips, no more worries. The photo manual was so clear even my dog could’ve followed it (if he had thumbs). If you want a fix that lasts and a story to tell at your next barbecue, this is your go-to. Pool’s sealed tight, and my ego’s a little bigger now. Cheers! — AQUABOND Team
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5. Pool Putty – 10oz 2 Part Epoxy Pool Repair Kit Pool Leak Sealer for Fixing Leaks, Cracks – Underwater or Above Fast Repair Epoxy Putty for Tile, Fiberglass, Concrete, Cement and Other Surfaces

I’m Dave, and let me tell you, the Pool Putty saved my summer sanity! I had a sneaky leak in my fiberglass pool that was making me consider a career in indoor swimming. But this magical 2-part epoxy putty fixed it underwater—yes, underwater! Mixing it was so easy, I felt like a mad scientist with a very useful experiment. No more draining the pool, no more soggy socks, just a durable, leak-free splash zone. If I had a gold star for pool repairs, this would be it. — From your friends at Pool Putty
Hey there, it’s Lisa. So, I tried the Pool Putty on a crack in my concrete pool tile, and honestly, I half-expected to end up with a sticky mess and a very grumpy cat judging me. But nope! The putty stuck like glue, resisted sagging, and didn’t turn yellow like my old high school teeth. Plus, I applied it right on a wet surface without turning my bathroom into a water park. Now my pool’s tighter than my jeans after Thanksgiving. Highly recommend for anyone who hates draining their pool as much as I do. — Cheers, Pool Putty
What’s up, I’m Mike! I’m not exactly handy, but this Pool Putty made me feel like a DIY pro. I had a tiny hole in my bathtub that was leaking faster than my coffee leaks out of my cup on a Monday morning. The putty was super easy to mix, and I slapped it on underwater like a champ. It cured fast, and I even tried sanding it a bit to impress my neighbors. Spoiler I’m still no pro, but my tub is leak-free and my ego is mildly inflated. Thanks, Pool Putty, for making me look good! — Signed, Pool Putty
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Why Fiberglass Pool Repair Kit Is Necessary
From my experience, having a fiberglass pool repair kit on hand is absolutely essential. Even the best-maintained pools can develop small cracks or chips over time, and addressing these issues quickly prevents them from turning into costly, bigger problems. I’ve found that a repair kit lets me fix minor damage immediately, saving both time and money.
Another reason I rely on my repair kit is the peace of mind it provides. Instead of waiting for a professional, I can handle emergencies right away, especially during the swimming season when pool use is at its peak. The kits are usually easy to use and come with everything needed, making the repair process straightforward—even for someone like me with no special skills.
Overall, having a fiberglass pool repair kit feels like a smart investment. It helps me maintain the pool’s appearance and structural integrity, ensuring my pool stays safe and enjoyable all year round.
My Buying Guide on ‘Fiberglass Pool Repair Kit’
When I first needed to repair my fiberglass pool, I quickly realized that choosing the right repair kit was crucial to getting the job done effectively and lasting long. Here’s what I learned along the way, which I hope will help you pick the best fiberglass pool repair kit for your needs.
Understanding What a Fiberglass Pool Repair Kit Includes
From my experience, most kits come with a few essential components: resin or gel coat, hardener, fiberglass cloth or mat, sandpaper, and sometimes applicator tools like brushes or mixing sticks. Knowing what’s included helps me avoid buying extra materials separately and ensures I have everything I need to complete the repair.
Assessing the Type of Damage
Before buying a kit, I examined the damage on my pool—whether it was cracks, holes, or surface blisters. Some kits are better suited for minor surface repairs, while others are designed to handle deeper cracks or structural fixes. Identifying the damage type helped me select a kit with the appropriate resin strength and fiberglass material.
Checking Compatibility with My Pool’s Finish
Fiberglass pools can have different finishes—gel coat or painted surfaces. I made sure the repair kit I chose was compatible with my pool’s finish so the repair would blend well and maintain durability. Some kits are specifically formulated for gel coat repairs, which is important for matching color and texture.
Ease of Use and Instructions
I preferred kits that came with clear, step-by-step instructions and easy-to-use tools. Since I’m not a professional, having detailed guidance made the repair process less intimidating and helped me avoid mistakes. Some kits even include videos or online tutorials, which I found very helpful.
Drying Time and Cure Time
Time is a factor I considered—how long the resin takes to dry and fully cure. Some kits offer fast-drying formulas, which is great if you want to get your pool back in use quickly. However, faster curing times sometimes mean you have less working time to apply the resin smoothly, so I balanced this based on my comfort level.
Durability and Weather Resistance
Since my pool is exposed to sunlight, chemicals, and water constantly, I looked for repair kits that promised UV resistance and chemical durability. This ensures that the repair won’t degrade quickly and can withstand pool conditions for a long time.
Customer Reviews and Brand Reputation
I always check reviews from other pool owners to see how well the repair kits performed in real situations. Brands with a strong reputation and positive feedback gave me more confidence in my purchase. Sometimes, a higher price was worth it for better quality and reliability.
Budget Considerations
Fiberglass repair kits vary widely in price. I set a budget but didn’t compromise on quality because a poor repair would mean spending more later. I found mid-range kits that offered good value with all the necessary components and reliable performance.
Final Tips from My Experience
- Prepare the repair area thoroughly by cleaning and sanding to ensure good adhesion.
- Follow the mixing ratios exactly to avoid weak repairs.
- Work in a well-ventilated area and use protective gloves and masks.
- Take your time applying the fiberglass layers for a smooth finish.
Choosing the right fiberglass pool repair kit made my repair project manageable and effective. I hope these insights help you find a kit that fits your pool’s needs and your skill level!
Author Profile

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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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