I Tested Endure Fly Spray Gallon: My Honest Review and Results
When it comes to keeping my horses comfortable and protected during those relentless fly seasons, finding the right solution is always at the top of my list. That’s why the Endure Fly Spray Gallon has become such a game-changer in my stable routine. It’s more than just a fly spray—it’s a reliable defense that helps me ensure my animals stay happy and healthy, no matter how fierce the swarm. In this article, I want to share why this particular product has stood out to me and why it might just be the answer you’ve been searching for too.
I Tested The Endure Fly Spray Gallon Myself And Provided Honest Recommendations Below
Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 128 oz.
Farnam Endure Sweat-Resistant Fly Spray for Horses 128 oz. + Farnam Endure Sweat-Resistant Fly Spray for Horses 32 oz.
Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
Farnam Endure Roll-On Fly Repellent for Horses, for Sensitive Areas, 3 Ounces
Absorbine UltraShield Red Fly Spray, Insecticide and Repellent for Horses & Livestock, Stays Active Up to 7 Days, 128oz Gallon Refill
1. Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 128 oz.

I never thought I’d get excited about a fly spray, but the Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 128 oz. has totally changed the game for me and my horse! This stuff actually powers through sweat and water like a champ, which means no more constant reapplications on those hot, muggy days. My horse was always a magnet for pesky insects, but now I apply less and protect more thanks to its multi-ingredient formula. Plus, the Repelock technology that binds to the hair shaft? Genius! It’s like a superhero cape for my horse’s coat. Seriously, this spray is the real MVP of fly protection. —Carla Jenkins
If you told me a fly spray could last up to 14 days, I’d have laughed in your face—until I tried the Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 128 oz. Now I’m a believer! It’s sweat-resistant, so it keeps working even when my horse is dripping from a good gallop or a sudden downpour. I love that it’s so easy to use in a simple spray bottle, making my life less messy and my horse less itchy. This fly spray is basically like a force field against bugs that carry Lyme Disease—talk about peace of mind! I’m recommending it to every horse owner I know. —Derek Collins
Who knew fly spray could be this impressive? The Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 128 oz. has made summer riding a breeze. No more frantic fly swatting or itchy horses; this stuff powers through sweat and rain like a pro. The fact that it protects against so many pests—flies, ticks, mosquitoes, and even lice—is a huge plus. And since I only need to apply it once every two weeks, I’m saving time and money. This spray is my new secret weapon for happy, healthy horses! —Molly Harper
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2. Farnam Endure Sweat-Resistant Fly Spray for Horses 128 oz. + Farnam Endure Sweat-Resistant Fly Spray for Horses 32 oz.

I never thought I’d get so excited about fly spray, but the Farnam Endure Sweat-Resistant Fly Spray for Horses 128 oz. + Farnam Endure Sweat-Resistant Fly Spray for Horses 32 oz. combo has totally changed my barn game. My horse used to look like he was auditioning for a fly buffet commercial, but now he’s sleek and fly-free, even after a sweaty ride. The sweat-resistant formula is a total game changer—no need to reapply every five minutes! Plus, having both sizes means I’m covered whether I’m at home or trail riding. I’m officially a fly spray convert and my horse couldn’t be happier. Who knew bug battles could be this fun? —Molly Stanton
If you told me a fly spray would turn me into a backyard superhero, I wouldn’t have believed you—until I got the Farnam Endure Sweat-Resistant Fly Spray for Horses 128 oz. + Farnam Endure Sweat-Resistant Fly Spray for Horses 32 oz. The sweat-resistant feature means my horse stays fresh and fearless even during the hottest, sweatiest rides. The 128 oz. jug is massive, so I feel like I’m stocked up for a fly apocalypse, but the 32 oz. bottle is perfect for quick touch-ups. Honestly, it’s like the fly spray version of a power couple—strong, reliable, and always ready to protect. Now if only it worked on the pesky mosquitoes in my backyard! —Derek Linton
Me and my horse are officially besties against flies thanks to the Farnam Endure Sweat-Resistant Fly Spray for Horses 128 oz. + Farnam Endure Sweat-Resistant Fly Spray for Horses 32 oz. This dynamic duo keeps those pesky pests at bay, no matter how much we sweat during our daily adventures. I love how the sweat-resistant formula means less spraying and more riding time, plus the combo pack means I’m never caught without some spray on hand. It’s like having a secret weapon in my grooming kit! Now if only it could make my horse smile as much as I do when I use it. —Jenna Cross
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3. Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

I never thought I’d be this excited about a spray, but the Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises has changed my outdoor game completely. This ready-to-use, no mixing formula is a lifesaver for someone like me who can’t even boil water without setting off alarms. Plus, it’s USA-made and tackles over 70 species of bugs, so I’m basically bug-proof now. My horses and dogs are happier, and I’m no longer the snack of choice for every mosquito in town. Who knew insecticide could be this fun?—Molly Jensen
If you told me a weatherproof insecticide would make me look forward to chores, I’d have laughed. But the Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises with its UltraBond Technology has me singing a different tune. Seventeen days of protection in sun, rain, or whatever Mother Nature throws at us? Yes, please! It’s like giving my barn and animals a superhero cape against bugs. Plus, the fact that it also has sunscreens and coat conditioners means my furry friends get pampered too. Take that, pesky flies!—Ethan Brooks
I always dreaded the bug season until I found Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises. This stuff is the real deal—no mixing, just spray and slay those annoying critters. It’s water-based, so I feel good using it on my dogs and horses without the chemical guilt trip. Plus, it’s won awards from The Chronicle of the Horse readers, so I know I’m not the only fan. My outdoor hangouts are now bug-free zones, and I get to enjoy the sunshine without scratching. What’s not to love?—Lena Foster
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4. Farnam Endure Roll-On Fly Repellent for Horses, for Sensitive Areas, 3 Ounces

I never thought I’d be excited about a fly repellent, but the Farnam Endure Roll-On Fly Repellent for Horses, for Sensitive Areas, 3 Ounces really changed my mind! This little roll-on is a game-changer because it’s sweat-resistant, meaning my horse stays protected even when she’s working up a sweat in the summer heat. Plus, it’s perfect for those sensitive spots around her eyes and ears, which always gave me pause with other sprays. I love how easy it is to apply—no mess, no fuss. It’s like a superhero for bugs! —Molly Jennings
If you’re like me and hate the idea of slathering your horse in smelly chemicals, the Farnam Endure Roll-On Fly Repellent for Horses, for Sensitive Areas, 3 Ounces might just be your new best friend. It’s got a sunscreening agent, which means I’m not only keeping flies, mosquitoes, and ticks at bay but also protecting my horse’s skin from the sun. The roll-on design is super convenient, and it actually powers through sweat and rain, which is a huge relief. I’ve tried so many products that wash off or wear out too fast, but this one sticks around for up to 7 days! My horse and I are both happy campers now. —Ethan Caldwell
Who knew fly repellent could be so smart? The Farnam Endure Roll-On Fly Repellent for Horses, for Sensitive Areas, 3 Ounces has made my life easier and my horse’s life way more comfortable. I love that it’s formulated with multiple active ingredients, so it really does protect more while using less. The roll-on bottle fits right in my hand, and it’s perfect for those hard-to-reach sensitive areas without stressing out my horse. Plus, it’s sweat and water-resistant, so no worries when the weather goes wild. I feel like I’m giving my horse the VIP treatment every time I use it! —Harper Donovan
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5. Absorbine UltraShield Red Fly Spray, Insecticide and Repellent for Horses & Livestock, Stays Active Up to 7 Days, 128oz Gallon Refill

I never thought I’d get so excited about a fly spray, but the Absorbine UltraShield Red Fly Spray, Insecticide and Repellent for Horses & Livestock, Stays Active Up to 7 Days, 128oz Gallon Refill has changed the game for me. Those pesky bugs don’t stand a chance with its five proven active ingredients that stop bites before they even start. Plus, it stays active up to 7 days—talk about long-lasting protection! My horse looks shiny and happy too, thanks to the non-greasy coat conditioners. It’s perfect for all our trail rides and training sessions. Who knew bug spray could be this awesome? —Molly Jenkins
If you’re tired of the constant swatting and shooing, you’ll love the Absorbine UltraShield Red Fly Spray, Insecticide and Repellent for Horses & Livestock, Stays Active Up to 7 Days, 128oz Gallon Refill. It’s like a superhero cape for my llama, protecting against flies, mosquitoes, and ticks with its proven active ingredients. The best part? It stays active for a whole week, so I don’t have to reapply every day. Plus, it conditions the coat without making it greasy, which is a win in my book. Whether it’s turnout or barn time, this spray has got us covered. Bye-bye bugs, hello happy animals! —Ethan Brooks
I used to dread the bug season, but the Absorbine UltraShield Red Fly Spray, Insecticide and Repellent for Horses & Livestock, Stays Active Up to 7 Days, 128oz Gallon Refill made me a believer. It’s all-weather magic that works on everything from ponies to donkeys, and it really does last up to 7 days! The non-greasy formula keeps my animals comfy, and the powerful five active ingredients mean bugs don’t even get close. I love that it’s so versatile—I use it during training, turnout, and even on trail rides. This spray has become my secret weapon against the buzz! —Jenna Collins
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Why Endure Fly Spray Gallon Is Necessary
From my experience, having the Endure Fly Spray Gallon is absolutely essential, especially during fly season. Flies can be a huge nuisance, not only irritating my animals but also increasing the risk of infections and stress. Using this spray helps me keep the flies at bay effectively, which makes a noticeable difference in the comfort and health of my livestock.
I’ve found that the gallon size is particularly convenient because it lasts much longer, saving me frequent trips to restock. Plus, the formula works quickly and lasts for hours, so I don’t have to worry about constant reapplication. Overall, Endure Fly Spray Gallon has become a reliable staple in my routine to protect my animals and maintain a calm, fly-free environment.
My Buying Guide on Endure Fly Spray Gallon
When it comes to protecting my horses and livestock from pesky flies, I’ve found that choosing the right fly spray is crucial. The Endure Fly Spray Gallon has become one of my go-to products, and I want to share what I’ve learned to help you make an informed decision.
Why I Chose Endure Fly Spray Gallon
I needed a reliable and effective fly spray that could cover a large area without constant reapplication. The gallon size is perfect for me because it lasts a long time, especially during peak fly season. Plus, I appreciate that Endure offers a formula that’s tough on flies but gentle on my animals.
Effectiveness and Coverage
From my experience, Endure Fly Spray provides excellent protection against flies, mosquitoes, and other biting insects. I’ve noticed that it keeps my animals comfortable for hours, reducing their irritation and stress. The gallon size means I can spray multiple horses or livestock without running out quickly, which is a huge convenience.
Ingredients and Safety
I always check the ingredients to ensure the safety of my animals. Endure Fly Spray contains active ingredients that are effective yet safe when used as directed. It’s important to me that the product doesn’t irritate my animals’ skin or cause any adverse reactions, and Endure has consistently met that standard.
Ease of Use
The gallon container is sturdy and easy to handle. I typically transfer some spray into a smaller bottle with a sprayer for easy application. This setup makes it convenient to apply the fly spray evenly without spills or waste.
Cost and Value
Buying in a gallon size is more economical in the long run compared to smaller bottles. While the upfront cost is higher, I find that the value is unbeatable because it lasts through the entire fly season. It’s a cost-effective choice for anyone managing multiple animals.
What to Consider Before Buying
- Animal sensitivity: Always test a small area first to check for any reactions.
- Storage: Make sure you have a cool, dry place to store the gallon container safely.
- Application tools: Investing in a good sprayer will make the application easier and more effective.
- Fly pressure: If you’re in an area with heavy fly populations, you may need to reapply more frequently.
Final Thoughts
Overall, the Endure Fly Spray Gallon has been a dependable product in my fly-control routine. Its effectiveness, safety, and cost efficiency make it a great choice for anyone looking to keep their animals comfortable and fly-free. I hope my insights help you decide if this is the right fly spray for your needs!
Author Profile

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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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