Farnam Nature’s Defense Natural Horse Fly Spray, Liquid Concentrate, Mix with Water, 32 Ounces, One Quart
Original price was: $32.99.$27.99Current price is: $27.99.
Price: $32.99 - $27.99
(as of Oct 14, 2025 17:24:22 UTC – Details)
The feel-good natural horse fly spray. Farnam Nature’s Defense water-based fly spray for horses offers a fresh alternative for insect pest control. Bid pesky flies a fond farewell when you choose Nature’s Defense. Mother Nature’s own secret weapon. This insect-deterrent formula combines citronella with other botanicals for effective control against five types of flies, mosquitoes, and gnats. Contains no preservatives, additives, or artificial colors. Feel good about making a natural product part of your fly control program. Works on horn, stable, house, horse and deer flies, plus mosquitoes and gnats. Alcohol-free formula won’t irritate sensitive skin. Available in a ready-to-use 32 oz. quart trigger spray bottle and 32-ounce concentrate that you simply mix with water. Bugs don’t fly with Farnam, your partner in horse care.
Is Discontinued By Manufacturer : No
Product Dimensions : 3.13 x 3.13 x 9.38 inches; 2.14 Pounds
Item model number : 12013
Date First Available : October 15, 2006
Manufacturer : Central Garden & Pet
ASIN : B008FEQYYE
Best Sellers Rank: #35,586 in Pet Supplies (See Top 100 in Pet Supplies) #26 in Horse Fly Repellents
Customer Reviews: 4.3 4.3 out of 5 stars 254 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
A NATURAL CHOICE botanical fly control for horses
REPELS horn flies, stable flies, house flies, horse flies, deer flies, mosquitoes and gnats
A GENTLE BLEND of citronella and other essential oils
FRESH herbal fragrance
NO PRESERVATIVES. No artificial colors. No additives. Will not burn sensitive skin. Not oily or greasy
AVAILABLE IN 32 oz. Ready-To-Use Spray and 32 oz. Concentrate (mix with water)
Customers say
Customers find this insect repellent effective, particularly noting it works better than other non-toxic sprays, and appreciate its natural ingredients, with one customer describing it as a wonderful herbal alternative to chemical fly sprays. The product receives positive feedback for its pleasant smell, skin protection for horses with sensitive skin, cost-effectiveness, and safety, with one customer noting it goes a long way. While some customers report it works well, others say it doesn’t work on black flies, and opinions are mixed about the application frequency.
8 reviews for Farnam Nature’s Defense Natural Horse Fly Spray, Liquid Concentrate, Mix with Water, 32 Ounces, One Quart
Add a review
Related Products
Original price was: $32.99.$27.99Current price is: $27.99.
Melissa Heatley –
Works Good
This fly spray works well. It does have to be applied twice a day like most sprays. This is the most effective natural fly spray Iâve been able to find. It doesnât irritate my horses skin and repels bugs.
China Cabinet Ranch –
Good for Horses with Sensitive Skin
My horse always developed bumps on her skin during the summer (I always had used a regular fly spray). I didnât know what it was until I tried someone elseâs all natural fly spray for a week and the bumps disappeared. It smells good, too.
Lisa Taylor –
Good alternative
I don’t use it exactly as per instructed. Per quart, I use 1/2 c of product, 1 cup Aloe juice, 1/2 t citronella and 1 t neem oil. Fill the rest with water. Stretches it out but works good
Amazon Customer –
work better than other non-toxic sprays I’ve tried
5 stars because it does what I expected it to do. It does not work as well as those chemical sprays full of that carcinogenic (but highly effective) ingredient, but I knew that it wouldn’t. It does, however, work better than other non-toxic sprays I’ve tried. I think a few bugs on my horse is the lesser evil compared to spraying a little bit of cancer all over the barn. It has a great smell too, and my horse seems to like it. He would try to move away from other sprays, but once he got a whiff of this one he stood much better. Sometimes, with these sprays, it can seem like it’s not doing much, but it always makes a difference in keeping my horse’s chest from getting chewed up. I board him, and if I miss a few days I can tell.
Debsbirding –
Great fly spray – just brush it in!
This fly spray works quite well – but the key is to brush it in. Depending on the horse and their tolerance of sprays, I either spray it on the brush (that goes for all faces) or I spray it on their bodies and brush it in. I try to cover all of them, and especially brush all the way down to their hooves on all sides of their legs. As a bonus, it has a great scent! And I only put fly spray on once a day – if it looks like rain, I donât bother until after it has passed. My horses are pastured 24/7. I gave it 4 stars because you have to work a little harder to make it work, but once applied, itâs as good as any fly spray out there – and itâs all natural. Good for our horses and us!
Alex H. –
Best natural flyspray for the money
Iâve had really good luck with this concentrated flyspray. I used to constantly have to change flysprays because they would stop working. This one works all spring/summer long and it doesnât leave an oily residue like some of the other brands.
Amazon Customer –
Pass on this one
Not effective at all and I did not care for the scent. The flies landed all over right after I used it. I have tried another natural brand that smells better and is more effective.
Billie & Bleu –
The Smell
I wish the smell did not cause my horse to sneeze so much!!ðHard to feel comfortable with using it when she constantly sneezes, when it is sprayed.