How to use them safely
If you are tempted by the idea, here are reasonable and safe uses:
For the garden: boil crushed shells, let them cool, filter and use the water to water your plants.
For domestic use: choose non-food applications if you have the slightest doubt about the preparation.
What you need to remember
Boiled eggshells aren’t a silver bullet, but they can become a smart ally to reduce waste, feed your plants, and rethink your habits.
Because when it comes to well-being, it’s often the simple gestures, repeated with common sense, that make all the difference.
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