Plastic bags half filled with water and containing a few pennies might seem like odd outdoor decor if you ve never encountered them before.
Hanging plastic bags filled with water.
But if the idea of the contraptions hanging around your home doesn t appeal to you other alternatives are available.
See example s we went with some out of town friends to sweety pies on sunday for breakfast and we sat in the enclosed patio section.
When mike stringham professor of entomology at north carolina state university investigated the use of clear plastic water bags as a fly deterrent he encountered just such a situation.
The owner told us that these baggies kept the flies away naturally.
Naturally we were curious.
Yet you can see these contraptions all over the american.
Ziploc bags full of water and pennies don t act as a homemade fly repellent.
Plastic sandwich bags or ziploc bags water lime juice around five pennies and salt.
Hanging a plastic bag filled with water can effectively repel flies.
Snopes ruled it neither true nor false.
The idea is that flies have poor eyesight and water filled bags create some type of optical illusion that scares them away.
The bags were half filled with water each contained four coins and they were zipped shut.
Clear plastic bags filled with water dangling in doorways or on porches or patios may seem like strange decorations but people actually hang these bags for a reason.
Interested parties have suggested placing venus fly traps around the home for instance.
This rumor has been circling the web for years and people have been using it to scare away flies for even longer.
The main problem people encounter is that the plastic bags filled with water and coins aren t especially attractive.
Hanging plastic bags filled with water will repel flies.
Instead letting it fall into their weasely undetermined category.
Stringham conducted a 13 week field trial by installing commercial water based optical fly repellents on two egg farms.
It s easy enough to find these materials and ingredients.