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10 Best Horse Fly Sprays 2025 in the United States
#1
Winner
Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
The Absorbine UltraShield EX 128oz Insecticide is a potent option for those needing a robust solution to repel and kill a wide array of pests. It boasts a strong formula that can tackle over 70 types of insects, including flies, mosquitoes, ticks, and fleas, making it versatile for use on horses, dogs, and even around barns and premises. The product's UltraBond Technology ensures it remains effective for up to 17 days, which is notably long-lasting compared to many other products on the market.
Rating
9.7
Chosen by1,464
Application Method
Scent
Most important from
3321 reviews
#2
Farnam Repel-X Ready-To-Use Fly Spray, Insecticide And Repellent For Horses And Dogs, 32 Fluid Ounces, 1 Quart Bottle With Trigger Sprayer
The Farnam Repel-X Ready-To-Use Fly Spray is a versatile insect repellent that targets horses and dogs. It comes in a convenient 32-ounce bottle with a trigger sprayer, making it easy to apply. This product stands out because it doesn't require any mixing or diluting, saving you time and effort. The active ingredient is permethrin, which is effective in repelling and killing a variety of pests including flies, mosquitoes, gnats, fleas, and ticks.
Rating
9.4
Safety for Use on Sensitive Areas
Scent
Most important from
3066 reviews
#3
Farnam Equi-Spot, Horse Fly Control, Long-lasting Protection, 6 Applications, 12-Week Supply for One Horse
Farnam Equi-Spot is designed for horse owners seeking a long-lasting fly control solution. It uses Permethrin as the active ingredient, known for its effectiveness in killing and repelling ticks, mosquitoes, and other pests. This product stands out for its convenience and durability, working for up to 14 days with each application and remaining effective through sweat and wet conditions, making it ideal for horses kept in pastures where daily application isn't feasible.
Rating
9.2
Duration of Effectiveness
Application Method
Most important from
1415 reviews
Top 10 Best Horse Fly Sprays 2025 in the United States
Sponsored
#1
Winner
9.7 score
Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
Duration of Effectiveness: up to 17 days
Application Method: ready to use, no mixing
Water Resistance: weatherproof
Safety for Use on Sensitive Areas: not best for very sensitive areas
Chosen by 1464 this week
Sponsored
Farnam Repel-X Ready-To-Use Fly Spray, Insecticide And Repellent For Horses And Dogs, 32 Fluid Ounces, 1 Quart Bottle With Trigger Sprayer
Farnam Repel-X Ready-To-Use Fly Spray, Insecticide And Repellent For Horses And Dogs, 32 Fluid Ounces, 1 Quart Bottle With Trigger Sprayer
Active Ingredients: Permethrin
Application Method: Trigger spray or wipe
Safety for Use on Sensitive Areas: Caution around eyes and mucous membranes
Scent: Pleasant
Farnam Equi-Spot, Horse Fly Control, Long-lasting Protection, 6 Applications, 12-Week Supply for One Horse
Farnam Equi-Spot, Horse Fly Control, Long-lasting Protection, 6 Applications, 12-Week Supply for One Horse
Active Ingredients: Permethrin
Duration of Effectiveness: 14 days
Application Method: Spot-On
Water Resistance: Effective through sweat and wet
Safety for Use on Sensitive Areas: Avoid eyes or mucous membranes
Scent: Unscented
Farnam Endure Sweat-Resistant Horse Fly Spray, 14-Day Long Lasting Protection, 15 Ounces
Farnam Endure Sweat-Resistant Horse Fly Spray, 14-Day Long Lasting Protection, 15 Ounces
Active Ingredients: Piperonyl Butoxide
Duration of Effectiveness: 14 days
Application Method: Spray or wipe
Water Resistance: Yes
Safety for Use on Sensitive Areas: Yes
Scent: Pleasant
Pyranha 001GWIPEG 068022 Wipe N'Spray Fly Protection Spray for Horses, 1 Gallon,Yellow
Pyranha 001GWIPEG 068022 Wipe N'Spray Fly Protection Spray for Horses, 1 Gallon,Yellow
Active Ingredients: citronella
Application Method: ready-to-use
Scent: citronella
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Up to 29% off
REVENGE Horse & Stable Fly Spray, 128 oz Ready-to-Use with Power Sprayer, Long Lasting Flea and Tick Control
REVENGE Horse & Stable Fly Spray, 128 oz Ready-to-Use with Power Sprayer, Long Lasting Flea and Tick Control
Duration of Effectiveness: up to 4 weeks
Application Method: Spray
Safety for Use on Sensitive Areas: caution for sensitive-skinned animals
Scent: Unscented
Absorbine UltraShield Green All-Natural Fly & Insect Repellent for Horses & Dogs, Essential Oils Repel & Control, 128oz Bottle, No Sprayer
Absorbine UltraShield Green All-Natural Fly & Insect Repellent for Horses & Dogs, Essential Oils Repel & Control, 128oz Bottle, No Sprayer
Active Ingredients: 7 botanical oils
Application Method: water-based
Safety for Use on Sensitive Areas: safe for sensitive areas
Scent: Citronella
Farnam Tri-Tec 14 Long-lasting Triple Effect Fly Spray for Horses, Kills and Repels, Protects for up to 14 Days, 128 oz refill
Farnam Tri-Tec 14 Long-lasting Triple Effect Fly Spray for Horses, Kills and Repels, Protects for up to 14 Days, 128 oz refill
Active Ingredients: Permethrin
Duration of Effectiveness: up to 14 days
Application Method: spray or wipe
Water Resistance: reapply after heavy rain or wash
Safety for Use on Sensitive Areas: use on sensitive areas like face
Scent: Pleasant
Farnam Equisect Botanical Fly Repellent for Horses, Dogs and Cats, 32 Ounces, Quart Spray
Farnam Equisect Botanical Fly Repellent for Horses, Dogs and Cats, 32 Ounces, Quart Spray
Active Ingredients: pyrethrum, botanicals, essential oils
Application Method: spray
Water Resistance: water resistant
Safety for Use on Sensitive Areas: gentle on sensitive skin
Scent: herbal
#10
7.3 score
Farnam Repel-X pe Concentrated Fly Spray for Horses, Just Add Water 16 Ounces
Farnam Repel-X pe Concentrated Fly Spray for Horses, Just Add Water 16 Ounces
Application Method: Pressure sprayer or sponge
Safety for Use on Sensitive Areas: Not for foals under 12 weeks
Scent: Pleasant
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Buying Guide for the Best Horse Fly Sprays
Choosing the right horse fly spray is essential for keeping your horse comfortable and protected from annoying and potentially harmful flies. The right spray can help prevent bites, irritation, and the spread of diseases. When selecting a horse fly spray, consider the following key specifications to ensure you pick the best fit for your horse's needs.Active IngredientsActive ingredients are the chemicals or natural substances in the spray that repel or kill flies. This spec is important because it determines the effectiveness and safety of the spray. Common active ingredients include pyrethrins, permethrin, and natural oils like citronella. If your horse has sensitive skin or you prefer a natural approach, look for sprays with natural ingredients. For more robust protection, synthetic chemicals might be more effective.
Duration of EffectivenessThis spec indicates how long the spray will remain effective after application. It's important because it affects how often you need to reapply the spray. Sprays can range from a few hours to several days of protection. If you need long-lasting protection, look for sprays that advertise extended effectiveness. For short-term use or less intense fly problems, a spray with a shorter duration might suffice.
Application MethodThe application method refers to how the spray is applied to the horse. This is important for ease of use and ensuring thorough coverage. Common methods include spray bottles, wipes, and roll-ons. If your horse is skittish or sensitive to sprays, wipes or roll-ons might be a better option. For quick and easy application, a spray bottle is usually the most convenient.
Water ResistanceWater resistance indicates whether the spray will remain effective after the horse gets wet, such as from rain or sweating. This is important for maintaining protection in various weather conditions. If your horse spends a lot of time outdoors or sweats heavily, look for a water-resistant spray. For indoor or less active horses, water resistance might be less critical.
Safety for Use on Sensitive AreasThis spec refers to whether the spray is safe to use on sensitive areas of the horse, such as the face and ears. It's important to avoid irritation or harm to these delicate areas. If you need to protect your horse's face and ears, choose a spray specifically labeled as safe for use on sensitive areas. For general body application, this spec might be less of a concern.
ScentThe scent of the spray can affect both the horse and the handler's comfort. This is important for ensuring a pleasant experience during application. Some sprays have strong chemical smells, while others use natural scents like citronella. If you or your horse are sensitive to strong odors, look for a spray with a mild or natural scent. For those who don't mind, the scent might be a secondary consideration.