Eggshells might seem like simple kitchen waste, but once you know their potential, you’ll never look at them the same way. Instead of tossing them, you can turn them into a low-cost, eco-friendly resource for your home and garden. Naturally rich in calcium and sturdy in texture, eggshells have a surprising number of uses—and they help reduce waste without any fancy tools or expensive products.
Step 1: Clean and sanitize
Before reusing eggshells, it’s important to make them hygienic. Rinse them thoroughly to remove any egg residue, then boil them in water for 10–15 minutes. After draining, let the shells dry completely on a clean towel or baking sheet. Once dry, store them in a sealed container until you’re ready to use them. Boiling not only keeps them safe but also makes them easier to crush or grind.
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