How to Keep Flies Out of Your House

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Fly Away StephanieBlue 1024x1024 How to Keep Flies Out of Your House


It’s summertime. Kids are running in and out of the house, forgetting to close doors. And letting flies in. Have you ever laid in bed and had a fly buzzing nearby? Or worse yet, have a fly light on your face just as you are about to nod off? Pesky creatures!

How do you keep flies out of your house?   Well, I have a great solution that actually works. I have no idea HOW it works.  But it does.  Basically, you hang a little plastic bag of water and a penny above your doors, outside of your  house.  It’s that simple.

I will admit, having little bags of suspended water above your doors does look slightly odd.  When I first did this, my husband and son thought I was punking them.  They expected the water to fall on their heads.  Visitors often ask about it.   If you are one for appearances, this might not be for you.  But, I’m telling ya….it works.   We used this technique last year and have had very few flies in our home.

I did a bit of research on this and it has actually been popular for years.   Flies have compound eyes with thousands of tiny lenses.   Their eyes are especially good at picking up movement.   One theory is that when a fly sees the reflection of the sun off of the water, they perceive it as movement and stay away.   I noticed that when we do get a rogue fly inside, it is often an overcast day.

Even though this is uber simple, here are the directions:

1.  Fill a plastic sandwich bag about 1/3 full of away StephanieBlue 1024x764 How to Keep Flies Out of Your House

2.  Add a penny.

3. Seal, fold and tape the top to prevent any leaks.

4.  Place inside a 2nd plastic bag.

5.  Cinch and tie.

6.  Hang over doors on the exterior of your home.


For those of you who are fiber buffs, please ignore my yarn of choice.  Yes, I desecrated this super luxurious Malabrigo, hand-dyed wool.    It was handy and it didn’t take too much.  Sorry.

What are your thoughts on this crazy little creation?  Is this something you would try? Or does it simply not work with your exterior decor?



Shared at:

Nourishing Simplicity, Modern Day Donna Reed


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  1. Cynthia says:

    You know my eye went STRAIGHT to that gorgeous yarn ;) Ok. We’re trying this!!! I’ll use stunning yarn as well, as I feel it is the very important secret ingredient to your success. Thanks for the tip!

  2. Angela says:

    I’ve seen this before and I’ll have to agree with you that it makes the fly’s vision go funny, so they avoid it. Anyways, great tip! I’m stopping by from I Should Be Mopping. I would love for you to stop by my cleaning blog. Have a fabulous week.

  3. June says:

    I’ve seen this at some area restaurants – it does work! Great for outdoor events (wedding, graduation, etc), too!

  4. I am most definitely putting one of these near all of my doors! Thanks so much for sharing on Natural Living Monday.

  5. janine says:

    Great idea. We have a huge fly problem this year. comes from milking goats on the back porch. I will definitely give this a shot!

  6. hsmominmo says:

    Me! I’ve done this! and yes, it is effective. Crazy, I know. Someone told me it was because light reflex prism-like off the water which makes a flies eyes crazy. Don’t know how accurate that is, but, hey! I’ll buy it!

  7. Do you have to have a penny? We have coins here, but not copper ones. I’ve been wanting to do this – perhaps I will try a different kind of coin to see if it works.Thanks for linking up! I hope you’ll be back today to link up again!

    • Stephanie says:

      Rosalind, someone on my FB page said that she used colored glass stones. I’ve wondered about the penny as well. It’s totally worth a try. Over on my FB page, several people have commented on how this has worked for them, too.

  8. It does work. Although if you have an awning it blocks the sun so it will not work.:-(

  9. house says:

    Thanks for finally writing about >How to Keep Flies
    Out of Your House – Stephanie Blue <Loved it!

  10. Michele says:

    I am wondering if the hanging plastic jars used to trap wasps would work as well, then all you have to do is hang them on a hook from the verandah…..


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