🥚 Boiled Eggshells
Boiled eggshells are the hard outer shells left after cooking eggs. Most people throw them away, but they actually have several useful purposes.
🧪 What Eggshells Contain
Eggshells are about 95% calcium carbonate, which is a form of calcium. They also contain small amounts of:
- Magnesium
- Phosphorus
- Potassium
- Protein matrix
Because of this, eggshells are useful for plants, soil, and some household uses.
🌱 1. Fertilizer for Plants
Crushed boiled eggshells can be added to soil.
Benefits:
- Adds calcium to soil
- Helps plants like tomatoes, peppers, and cucumbers
- May help prevent Blossom end rot in tomatoes
How to use
- Dry the shells.
- Crush them into small pieces or powder.
- Mix into garden soil or plant pots.
🐔 2. Calcium for Chickens
Farmers sometimes feed crushed eggshells back to chickens as a calcium supplement to strengthen their eggs.
🧼 3. Natural Cleaner
Crushed eggshells act as a gentle abrasive cleaner for:
- Pots and pans
- Kitchen surfaces
- Bottles or jars
🌿 4. Pest Control in Gardens
Crushed shells around plants may help deter snails and slugs because the sharp edges irritate them.
🧴 5. Homemade Calcium Powder (Human Use)
Some people grind clean, boiled, dried eggshells into a fine powder and add a tiny amount to food for calcium. However, this should be done carefully to avoid contamination.
⚠️ Important Tips
- Always wash and boil shells first to kill bacteria such as Salmonella.
- Dry them completely before storing or crushing.
- Do not eat large amounts of eggshell powder.
✅ If you want, I can also explain 5 surprising health and garden uses of eggshells that most people don’t know (some are very useful at home).
