Had no clue about this (Page 3 ) | June 28, 2025

9. Comparing This Trick to Other Popular Hacks
Compared to other fly deterrent methods, such as chemical sprays and electric fly zappers, this trick is not only more environmentally friendly but also more cost-effective. Chemical sprays can be expensive and require frequent reapplication, while electric zappers consume electricity and can be noisy.
In contrast, the water bag trick requires no ongoing costs or maintenance. Once set up, it continues to work without any additional effort, making it a superior choice for those looking for a hassle-free solution.
10. Frequently Asked Questions About the Trick
Q: Does the type of coin matter?
A: Not really. Any shiny coin will work, as the key is the reflective surface.
Q: How long does the bag last?
A: The bag can last for several weeks, but it’s a good idea to replace the water and coins if they become dirty or lose their shine.
Q: Can this trick be used indoors?
A: Yes, it can be used indoors, but it’s most effective in areas with natural light, as the refractive effect relies on light.
11. Final Thoughts on Keeping Flies Away
Flies are a common problem, but with the right approach, they don’t have to ruin your day. The trick my nana taught me is a testament to the power of simple, time-tested solutions. It’s easy to set up, requires no ongoing effort, and is both environmentally friendly and cost-effective.

By understanding the science behind this method and implementing it in your own home, you can enjoy fly-free spaces without resorting to harsh chemicals or expensive gadgets. Give it a try, and you might just find that this old-fashioned trick is exactly what you need to keep flies away for good.

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