We've been noticing A LOT of flies hanging out on our back porch, it's very hard to open that door without 10 of them flying in at once! All I did today was let my dog out and back in and I've already killed 15 flies in my house. There are still more. Is there anything I can hang outside our door to repel them or inside that's safe for us.
What can I use to repel flies, outdoors and indoor...?
- Thread starter alexix
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