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- Rinse eggshells thoroughly to remove any egg residue.
- Boil them in water for 10–15 minutes to kill bacteria.
- Let them dry completely, then grind into a fine powder.
This powder can be added in small amounts to smoothies, soups, or baked goods for a natural calcium boost. (Always consult a doctor before adding supplements to your diet.)
3. Eco-Friendly Cleaning Solution
Once boiled, crushed eggshells can also serve as a gentle abrasive cleaner. Mix them with a bit of soapy water to scrub pots, pans, or sinks. The rough texture helps remove tough stains without scratching surfaces — a free alternative to store-bought scrubbing products.
4. Pet and Poultry Supplement
Boiled, dried, and crushed eggshells are sometimes added to chicken feed or pet food as a natural calcium supplement (but only in small, safe quantities). It’s an inexpensive way to recycle what you already have.
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