Before you trash your eggshells from this morning’s breakfast, check out different ways to reuse them in your garden and home.
What’s With the Eggshells?
Eggshells are primarily composed of calcium carbonate (about 94%) and small amounts of protein, magnesium, and other minerals. The eggshell is formed by the deposition of calcium carbonate crystals around the yolk and white of the egg, creating a hard, protective layer that surrounds the egg.
Eggshells have a thin, inner layer called the membrane, which helps to keep the egg fresh and prevent the exchange of gases between the egg and the outside environment.
5 Uses For Egg Shells
- Garden fertilizer: Crushed eggshells can be added to soil to provide essential nutrients to plants.
- Pest control: The sharp edges of crushed eggshells can deter pests such as snails and slugs from attacking garden plants.
- Scrubbing agent: The gritty texture of eggshells can be used to scrub tough stains and grime from pots and pans.
- Compost material: Eggshells can be added to compost to increase the calcium content and improve soil structure.
- Craft material: Eggshells can be used as a base material for making bird feeders, ornaments, or other decorative items.
Timing is Everything
If you want to reuse eggshells, it’s best to use them within a few weeks. However, if you want to store eggshells for later use, clean them thoroughly and keep them in a dry, well-ventilated place until you’re ready to use them.
This will help ensure they stay fresh and free of unwanted odors.
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