Farnam Repel-X Ready-to-Use Fly Spray for Horses, 32 Fl Oz

Instant, ready-to-use fly spray for horses and dogs with protection against barn flies, gnats, mosquitoes, ticks (including deer ticks), and lice. No mixing required—simply spray from the bottle for fast, even coverage across the coat.

Permethrin-based fly repellent delivers broad-spectrum insect control for horses, dogs, and other livestock, helping reduce pest pressure in shared spaces. Use this versatile spray in stables, turnouts, pastures, and around barns and homes—indoors or outdoors—to target barn flies, gnats, mosquitoes, ticks, and lice.

Refillable with Repel-X concentrate for economical, extended protection and reduced waste. The 32 oz bottle is designed for use on horses and dogs.

From Farnam, a trusted name in equine care, this ready-to-use spray combines convenience with proven insect control, making it a practical choice for households with horses and canine companions who share spaces with pests.

Frequently Asked Questions

What is the most effective fly spray for horses?
Effective fly spray for horses should provide broad insect control and be easy to apply. Farnam Repel-X is a ready-to-use option designed for horses and dogs.

Does vinegar work as fly spray for horses?
Vinegar is not the same as a proven insect control spray. This product uses a permethrin-based formula for fly repellent protection.

Can you use human fly spray on horses?
No, use a product made for horses, such as this ready-to-use fly spray designed for horses and dogs.