Getting rid of eggshells can be tricky, but there are plenty of useful, eco-friendly alternatives. In the garden, they make excellent fertilizer due to their calcium content and also work as a natural pesticide against slugs. You can compost them, mix them with coffee grounds, or steep them in water to make “eggshell tea” for plants.

Eggshells also have surprising household uses. Crushed shells can scrub pots, remove stains from mugs, or even mellow bitter coffee. In crafts, they’re great for mosaics, vases, or seedling pods. They can feed chickens, sharpen blades, or serve as candle holders.Health-wise, eggshells can be crushed into a calcium-rich paste for dental care or used to draw out splinters and soothe blisters. They’re also perfect for science experiments—soak in vinegar to watch them dissolve.

Instead of tossing them out, repurpose eggshells to reduce waste and enhance both your home and garden.