reasonably clean container with a properly closed lid, reaching that food becomes much more difficult.
That physical barrier is more reliable than attempting to make the bin smell unpleasant to flies.
Build a Better Garbage Routine
You do not need an elaborate collection of homemade pest remedies.
Instead, develop a few consistent habits.
Before placing a bag outside, make sure it is tied. After garbage collection, inspect the bin. When something leaks, clean it. During hot weather, manage rapidly decomposing food more carefully. If the lid is broken, repair or replace it when possible.
These small actions interrupt the fly life cycle before you ever see larvae.
Why Cleaning Works Better Than Constant Insecticide Use
An insecticide may kill insects that are present at the moment, but if exposed decomposing food remains inside the container, new flies can simply return.
Sanitation removes the reason they are there.