Does the buzzing orchestra of horse flies ruin your peaceful rides or barn time? You watch your beloved horse swatting and stamping, clearly miserable from those relentless, biting insects. Commercial fly sprays often promise relief, but many contain harsh chemicals that make you pause before spraying them directly onto your animal’s skin. Finding a fly repellent that truly works *and* feels safe to use can feel like a never-ending hunt.
We understand the dilemma: you need effective protection against those pesky pests, but you want natural ingredients you can trust. That’s why ditching expensive, questionable store brands for a homemade solution is a smart move. When you mix your own spray, you control every ingredient, ensuring a powerful yet gentle formula.
This post will guide you step-by-step through creating your own highly effective, budget-friendly horse fly spray right in your kitchen. Get ready to learn simple recipes using common, safe ingredients that will keep the flies away. Let’s stop the swatting and start enjoying quality time with your horse!
Top Homemade Horse Fly Spray Recommendations
- Horse Fly Spray and Equine Insect Control with Permethrin Concentrate: Repel-X pe helps protect horses against barn flies, gnats, mosquitoes, ticks, and lice as a concentrated horse fly repellent that mixes with water for economical, ready-to-use fly spray
- For Barn Fly Control and Pasture Insect Management: Suitable for use in stable, turnout, and pasture environments as a regular equine fly spray and horse bug spray for consistent fly protection
- Safe for Horses and Dogs: Serves as a horse fly repellent and a dog bug spray, supporting flea and tick prevention and mosquito protection across species
- Broad-Spectrum Horse Fly Repellent and Gnat Repellent with Permethrin Concentrate: Helps control barn flies, mosquitoes, ticks, deer ticks, gnats, and lice as an equine fly spray and concentrated fly spray for horses and dogs
- Use on Horses, Dogs or Livestock or Around the Barn and Home: A ready-to-use fly spray for horses or use as a house, barn, and stable insect repellent spray to help reduce flying pests in your horse and dog's environment
- USA-MADE FORMULA: Kills & repels 70+ species of insects: flies, mosquitoes, ticks, gnats, ants & more
- WEATHERPROOF: Protection up to 17 days with UltraBond Technology; ideal for the most challenging conditions
- NO MIXING: Ready to use, water-based formula for horses, ponies, dogs, barns, or on premise
- BUGS & SUN: Advanced formula contains protection against insects plus multiple sunscreens and coat conditioners
- AWARD WINNING: Consistently voted The Chronicle of the Horse Reader's Choice for favorite fly sprays multiple years running
- For Broad-Spectrum Fly Spray and Insect Control for Horses: Kills and repels house flies, stable flies, face flies, horn flies, gnats, mosquitoes, ticks, deer ticks, and lice to provide dependable horse fly control and insect protection
- Engineered for Hot, Humid, and High-Sweat Conditions: Farnam Endure maintains sweat-resistant, rain-ready horse fly protection during turnout, training, heavy work, and competition in demanding outdoor environments
- Trusted Fly Repellent for Performance Horses, Pasture Horses and Daily Use: Farnam Endure supports consistent fly control for working horses, show horses, pastured horses and horses exposed to flies, gnats, mosquitoes, no-see-ums and biting insects
- Provides Up to 14 Days of Long-Lasting Fly Control: Extended protection compared to ordinary horse fly sprays helps avoid frequent reapplication and maintain effective insect protection
- Repelock Technology for Sweat-Resistant Coverage: Fly spray technology binds to the hair shaft to support long-lasting fly repellent effectiveness through rain, heat, humidity and sweat
- Kills and Repels Six Types of Flies Plus More: Bronco E horse fly spray with citronella kills and repels stable flies, horse flies, face flies, deer flies, house flies, and horn flies, plus mosquitoes, gnats, ticks, deer ticks, lice, fleas, and chiggers
- For Barn Fly Control, Outdoor Fly Repellent, and Premises Use: Ideal as a barn and stable fly spray, an outdoor mosquito repellent, and a premises spray in kennels, trailers, stalls, dog beds, and camping setups
- For Horse Owners, Dog Owners, Fishing, Camping and for use on Ponies, Horses, Foals, and Dogs: Use as an equine fly spray on horses of all ages and as a permethrin spray for dogs to protect against mosquitoes, flies, fleas, ticks, lice, and gnats
- Citronella-Enhanced Formula Creates a No-Fly Zone: Pairs permethrin, prallethrin, and piperonyl butoxide with a fresh citronella scent to help deter horse flies and mosquitoes from the area, not just off the coat
- Protect the Whole Horse, Including Sensitive Areas: Non-toxic, gentle citronella formula sprays on for coat-to-hoof coverage or can be wiped on with a cloth or sponge around the face, ears, and muzzle for targeted fly and mosquito protection
- Horse Fly Spray and Equine Insect Control with Permethrin Concentrate: Repel-X pe helps protect horses against barn flies, gnats, mosquitoes, ticks, and lice as a concentrated horse fly repellent that mixes with water for economical, ready-to-use fly spray
- For Barn Fly Control and Pasture Insect Management: Suitable for use in stable, turnout, and pasture environments as a regular equine fly spray and horse bug spray for consistent fly protection
- Safe for Horses and Dogs: Serves as a horse fly repellent and a dog bug spray, supporting flea and tick prevention and mosquito protection across species
- Broad-Spectrum Horse Fly Repellent and Gnat Repellent with Permethrin Concentrate: Helps control barn flies, mosquitoes, ticks, deer ticks, gnats, and lice as an equine fly spray and concentrated fly spray for horses and dogs
- Use on Horses, Dogs or Livestock or Around the Barn and Home: A ready-to-use fly spray for horses or use as a house, barn, and stable insect repellent spray to help reduce flying pests in your horse and dog's environment
- 14-DAY PROTECTION: Fly Deny is made with a long-lasting formula that repels and kills flies, gnats, and mosquitoes for up to 14 days, keeping your horse comfortable and pest-free
- SWEAT & WEATHER RESISTANT TECHNOLOGY: Designed to withstand sweat, rain, and humidity, this advanced fly spray remains effective even in hot or wet conditions. Perfect for active horses during summer rides or turnout
- GENTLE ON SKIN & COAT: Made with horse-friendly ingredients, this fly spray is non-irritating and safe for daily use, providing reliable protection without drying out your horse’s skin or coat
- PLEASANT SCENT: Unlike harsh chemical sprays, Fly Deny features a light, refreshing scent that won't overpower, making application more pleasant for both you and your horse
- WORKS GREAT WITH FORMULA 707 MULTIFLY: Maximize fly control by pairing with Formula 707 MultiFly Feed-Thru Fly Control to target both adult flies, gnats, and mosquitoes and minimize the overall fly population
![Farnam Bronco E Fly Spray for Horses, Dogs & Premises - Water-Based Fly Spray Kills & Repels Stable, Horse, Deer, House & Horn Flies, Mosquitoes, Fleas, Chiggers, Ticks, Lice & Gnats [128 oz Refill]](https://m.media-amazon.com/images/I/41g1tIc3eQL._SL160_.jpg)
- Kills and Repels Six Types of Flies Plus More: Bronco E horse fly spray with citronella kills and repels stable flies, horse flies, face flies, deer flies, house flies, and horn flies, plus mosquitoes, gnats, ticks, deer ticks, lice, fleas, and chiggers
- For Barn Fly Control, Outdoor Fly Repellent, and Premises Use: Ideal as a barn and stable fly spray, an outdoor mosquito repellent, and a premises spray in kennels, trailers, stalls, dog beds, and camping setups
- For Horse Owners, Dog Owners, Fishing, Camping and for use on Ponies, Horses, Foals, and Dogs: Use as an equine fly spray on horses of all ages and as a permethrin spray for dogs to protect against mosquitoes, flies, fleas, ticks, lice, and gnats
- Citronella-Enhanced Formula Creates a No-Fly Zone: Pairs permethrin, prallethrin, and piperonyl butoxide with a fresh citronella scent to help deter horse flies and mosquitoes from the area, not just off the coat
- Protect the Whole Horse, Including Sensitive Areas: Non-toxic, gentle citronella formula sprays on for coat-to-hoof coverage or can be wiped on with a cloth or sponge around the face, ears, and muzzle for targeted fly and mosquito protection
- For Broad-Spectrum Fly Spray and Insect Control for Horses: Kills and repels house flies, stable flies, face flies, horn flies, gnats, mosquitoes, ticks, deer ticks, and lice to provide dependable horse fly control and insect protection
- Engineered for Hot, Humid, and High-Sweat Conditions: Farnam Endure maintains sweat-resistant, rain-ready horse fly protection during turnout, training, heavy work, and competition in demanding outdoor environments
- Trusted Fly Repellent for Performance Horses, Pasture Horses and Daily Use: Farnam Endure supports consistent fly control for working horses, show horses, pastured horses and horses exposed to flies, gnats, mosquitoes, no-see-ums and biting insects
- Provides Up to 14 Days of Long-Lasting Fly Control: Extended protection compared to ordinary horse fly sprays helps avoid frequent reapplication and maintain effective insect protection
- Repelock Technology for Sweat-Resistant Coverage: Fly spray technology binds to the hair shaft to support long-lasting fly repellent effectiveness through rain, heat, humidity and sweat
Your Guide to Choosing the Best Homemade Horse Fly Spray
Flies can make life miserable for your horse. They bite, spread disease, and cause constant irritation. Store-bought sprays work, but many horse owners prefer natural, homemade options. Making your own fly spray lets you control the ingredients. This guide helps you find the best recipe and supplies for your needs.
Key Features to Look For in a Homemade Recipe
When you look at different homemade fly spray recipes, several features matter. You want a spray that works well but is safe for your horse.
Effectiveness Against Pests
- Broad Spectrum: The best recipes fight many types of biting insects, not just common house flies. Look for ingredients that repel gnats, mosquitoes, and horse flies.
- Longevity: How long does the protection last? Recipes using essential oils often need reapplication every few hours. Stronger natural bases might last slightly longer.
Safety and Skin Friendliness
- Gentle Ingredients: Your horse’s skin is sensitive. Avoid harsh chemicals or overly concentrated essential oils. Dilution is very important.
- No Residue: A good spray should dry quickly and not leave a sticky or oily film on the horse’s coat.
Important Materials for Your DIY Spray
The quality of your ingredients directly impacts how well your fly spray works. Gather these items before you start mixing.
Base Liquids
You need a liquid carrier to dilute the strong ingredients. Common bases include:
- Water: Plain, distilled water works well as the main filler.
- Apple Cider Vinegar (ACV): ACV is a popular base. Many believe its scent repels insects. Use filtered or raw ACV for the best results.
- Witch Hazel: This liquid helps mix the oils and water together. It also soothes the skin.
Active Repellent Ingredients (Essential Oils)
These oils provide the main bug-fighting power. Always buy high-quality, pure essential oils.
- Citronella and Lemongrass: These classic scents are well-known insect repellents.
- Lavender: This oil smells pleasant to humans and horses but bugs dislike it. It also calms irritated skin.
- Peppermint or Eucalyptus: These oils provide a strong scent that deters many biting pests.
Mixing and Storage Containers
You must use the right container for storage.
- Dark Spray Bottles: Essential oils break down when exposed to light. Use dark amber or cobalt blue plastic or glass bottles to protect your mixture.
- Sturdy Sprayer Head: A good sprayer ensures you cover your horse evenly without wasting product.
Factors That Improve or Reduce Quality
Making a great batch requires attention to detail. Small changes can make a big difference in performance.
What Improves Quality?
- Proper Dilution: Too little essential oil means it won’t work. Too much essential oil can irritate the horse’s skin or eyes. Follow tested ratios carefully.
- Thorough Shaking: Oil and water naturally separate. You must shake the bottle vigorously before every single application.
- Freshness: Essential oils lose their strength over time. Make smaller batches that you use up within a few weeks or a month.
What Reduces Quality?
- Using Tap Water: Tap water can sometimes contain minerals that affect the stability of the mixture. Distilled water is better.
- Improper Storage: Leaving the spray bottle in direct sunlight or heat weakens the active ingredients quickly.
User Experience and Use Cases
Think about how you plan to use the spray when choosing your recipe.
Application Tips
Always test a small patch of skin first. Apply the spray to your hands and rub it onto sensitive areas like the ears and belly. For the main body, spray evenly. Avoid spraying directly into the horse’s eyes or nostrils.
Best Use Cases
- Turnout Time: Use before letting your horse out in the pasture, especially during peak fly hours (morning and late afternoon).
- Grooming Sessions: A light mist during grooming helps keep flies away while you work.
- Sensitive Horses: Homemade sprays are often ideal for horses that react badly to the chemicals found in commercial products.
10 Frequently Asked Questions (FAQ) About Homemade Horse Fly Spray
Q: How often should I reapply homemade fly spray?
A: Most homemade sprays need reapplying every two to three hours, especially if the horse is sweating or if it has recently rained.
Q: Can I use regular cooking oil in my fly spray?
A: No. Cooking oils are too heavy. They can clog pores and cause skin issues. Stick to water, ACV, or witch hazel as your base.
Q: Is homemade fly spray safe if my horse licks it off?
A: If you use safe, diluted essential oils, small amounts are usually safe. However, you should still avoid spraying large areas where the horse can lick heavily.
Q: What is the best essential oil for repelling deer flies?
A: Many users report good results using a combination of Rosemary and Geranium essential oils against deer flies.
Q: Why does my spray separate so quickly?
A: Oil and water do not mix naturally. You must shake the bottle very hard right before every time you spray to ensure you apply both the oil and the water.
Q: Can I use this spray on my dog too?
A: Some recipes are safe for dogs, but you must be extremely careful. Tea tree oil, for example, is toxic to dogs. Always check the specific ingredients first.
Q: How long does a batch of homemade spray last?
A: If stored in a cool, dark place, most batches last about 4 to 6 weeks before the essential oils start losing their strength.
Q: Does the vinegar smell go away?
A: Yes. The strong vinegar smell fades quickly once the spray dries on the horse’s coat.
Q: Should I use glass or plastic spray bottles?
A: Glass bottles protect the essential oils better, but plastic bottles are safer if they might be dropped around the barn. Use dark-colored bottles either way.
Q: How do I know if the essential oils are too strong?
A: If your horse rubs the area excessively, shows red patches, or seems bothered by the spray, the mixture is too strong. Dilute it more with water or witch hazel.