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How to Make Fly Spray With Neem Oil for Horses

By Amy L. Gouger | Updated September 26, 2017

horse image by Katarzyna Szura from Fotolia.com

Items you will need

  • 2 cups vinegar

  • 1 cup water

  • 1 cup lotion

  • 1/2 oz. Neem oil

  • 1/2 oz. essential oil

  • Spray bottle

  • Funnel

Fly spray for horses can really take the green out of your wallet. However, creating your own fly spray by using Neem oil and other essential oils reduces the cost, allows you to tailor the mix to your horse's needs, and choose the ingredients. The brew can contain all-natural ingredients or utilize commercial mixes. You can find the ingredients for Neem oil fly spray at a health food store or pharmacy.

Remove the nozzle from an old fly spray bottle or a commercially bought spray bottle. Insert a funnel.

Pour 2 cups of vinegar into the bottle, using the funnel. You can use either apple-cider or distilled vinegar. Add 1 cup of water and 1 cup of lotion. Lotions with bug-repelling essential oils work better.

Add 1/2 ounce each of Neem oil and another essential oil. Insect-repelling oils include geranium, eucalyptus, lemongrass, orange, cedarwood, juniper, rosemary, lavender, thyme, garlic, tea tree, peppermint, lemon, pine, and clove.

Replace the nozzle and shake. It makes about 32 ounces of fly spray, which is the typical size of a bottle of commercial fly spray.

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