Throwing away eggshells is the easiest thing that we can do. But rather than wasting them like this, the egg shells can be put to good use.
There are basically two great ways in which you can use the egg shells. First one is using them as a cleaning agent. They can be crushed into tiny pieces and used to clean tough stains present in the pots and pans.
Secondly, they can be crushed and used as a garden fertilizer. The presence of calcium and other minerals present in the eggshells make them aid the growth of your plants