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Endure Sweat-Resistant Fly Spray Review

Below: A quart spray bottle of Endure Sweat Resistant Fly Spray for horses.

Endure Sweat-Resistant Fly Spray


Here at we weren't having any luck with inexpensive, "economy" type fly sprays for horses when riding in the pasture during summer months. The economy sprays worked well for us in the early spring and fall, but during the peak of summer they just didn't perform in the pasture.

So we bought a bottle of the higher-priced Endure Sweat-Resistant Fly Spray For Horses to give it a try. Specifically, we wanted to know if Endure would keep biting insects off of our horses when riding in the pasture during the summer.

How We Tested Endure

The Tests

Day One

The first day we tested Endure Sweat-Resistant Fly Spray For Horses we sprayed one of the horses and headed straight out into the pasture with him. The Endure had a powerful sprayer and a nice scent.

We rode through the pasture at a walk and trot for the next 50 minutes or so. The flies and insects were everywhere.

Endure Sweat Resistant Fly Spray on eBay More Info / Buy


We were surprised at how well the Endure performed. We could walk peacefully without seeming to invite every biting insect in the county. By comparison, in recent days when we had used an economy brand of horse fly spray the insects had been all over our horse the first step into the pasture and we had to stay at a trot to keep the bites at a minimum.

Below: A close-up of the Endure label showing the ingredients.

Endure Sweat-Resistant Fly Spray ingredients

Even though we could walk peacefully, we chose to trot most of the time. The temperatures were 80+ Fahrenheit with average humidity, there was a nice breeze, and our horse was accustomed to this type of riding so he only developed a light sweat.

About an hour later we were out of the pasture and back at the house and the Endure was weakening. However, our horse was still fighting flies noticeably less than the other horses back at the house that had been sprayed with cheaper brands.

Day Two

A few days later we sprayed a horse with Endure and headed back out into the pasture for about an hour and fifteen minutes. This time the humidity was very high and our horse worked up a heavy sweat. Even so, we never noticed him battling insects, even at a walk.

Day Three and On

For the next several weeks we continued to use Endure Sweat-Resistant Fly Spray For Horses on different horses in the pen and in the pasture. It consistently performed very well, even on a sweaty horse.

Most days the Endure seemed to wear off, for pasture riding purposes, in about an hour, or, sometimes, up to an hour-and-a-half. On a day the horseshoer came and the horses were waiting in line up at the pens to be shod, we didn't have to re-spray with Endure for one hour and fifty minutes.

Below: A close-up of the Endure label, showing where it claims it won't sweat off.

Endure has "sweat-resistant" right on the label


How The Fly Sprays Stacked Up

Earlier we mentioned we tested Endure Sweat-Resistant Fly Spray For Horses against several other spray-on fly sprays for horses. The other fly sprays were:




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