More ideas from stanislav
Crushed egg shells in the garden. Save egg shells in a container in the fridge and sprinkle around plant base to ward off slugs and other pests in the garden. Also adds a little bit of calcium to the soil.

keep shells in open container in fridge. When full, crush shells into small bits and sprinkle around base of plants. Sharp eggshells will deter slugs, snails, and other bugs from nibbling on garden and add touch of calcium to soil.