Homemade Beer Insect Repellent | Homesteady
You should not use beer insect repellent on flowering plants, as the ingredients could damage and kill your plants.
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Open a can of light beer and allow it to go flat. You do not want to mix it while it is still carbonated, as it could make a big mess.
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Pour 1 cup each of flat light beer, Epsom salt and mouthwash into a large mixing bowl.
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Stir the beer, Epsom salt and mouthwash together thoroughly, making sure that the salt is completely dissolved.
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Pour the contents through a funnel into a large spray bottle, and add half a package of dry yeast. Apply the spray bottle lid and shake thoroughly to help the yeast and any remaining salt dissolve.
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Spray your lawn liberally. Spray around the perimeter of your garden to keep pests from passing the barrier.
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Repeat the process in 20 to 30 days throughout the spring, summer and fall months.
