Put a section of sponge into a clean tin. Add ONE of the following.

• Lavender oil– lavender is considered to be particularly effective against flies
   
• Citronella oil(dilute with water first)
   
• Eucalyptus oil(dilute with water first)
   
• Pennyroyal oil(dilute with water first)
   
• Peppermint oil(dilute with water first; likely more effective against mosquitoes but also considered to work against horse-flies.
   
• Lemongrass oil (dilute with water first) .

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• Animals
• Around the house
• Outdoors
• Recycle it