If you want to try a more natural method, try a solution of one part vinegar with three parts boiling water. This solution will kill the live maggots and will also remove the fly-attracting odors from your trash can, temporarily preventing them from laying eggs. Does apple cider vinegar kill mange? what is the best home remedy for dog mange?.
What kills maggots instantly?
Pour boiling water over maggots to kill them instantly. If you want, you can add a cup of bleach and 1 1/2 cups of hydrogen peroxide to a gallon of boiling water.
What vinegar kills maggots?
To kill maggots using vinegar, mix three parts of boiling water with one part of vinegar. Pour this mixture on the maggots, and it will kill them.