6 unexpected ways to reuse eggshells

6 tips for reusing your eggshells. Getty Images

Economical and delicious, the egg has been the basis of our diet since time immemorial. However, we waste our shells every day. A little lesson in recycling.

As an omelet, soft boiled, grilled, scrambled or simply fried: there are a thousand ways to cook eggs. And when we break its white or beige shell, without asking many questions we throw it in the garbage of our home. Nevertheless, it is very useful and the quote from the German philosopher Theodor W. Adorno could not be more suitable for them: “Museums preserve our past, recycling preserves our future”. One day we hope to live in the world we dream of, again unexpected things like eggshells will be part of our daily life. Might as well start now.

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Alexandra Berrou, master composter at the head of the company Alexa and its strawberries, is used to recycling, but not often. In 2018, he has been a chocolate confectionery salesperson for more than 15 years, but a walk in the forest with his three-year-old son “changed his life”. Using a garbage bag, he offers her to pick up the trash they encounter on their way, then plans to enroll her in a recycling workshop. “I didn’t find anything. That’s why I decided to specialize and set up my own waste reduction workshops”. Volunteering, several training courses, the title of master composter and the creation of his company later, he has helped the individuals and groups to recycle their waste. He gives us 6 quick and useful tips to use his eggshells wisely.

Prepare the shells

Eggshells contain many minerals: “We found calcium, magnesium, carbonate or even sulphate in them”. Filled with qualities essential to the development of the organism, they offer many unexpected possibilities, whether at home or in nature. But first of all, it is necessary to prepare them. And for that, to dry them in the open air for a few days. The most impatient can also use the residual heat of the oven after cooking.

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When ready, they must be ground. “For almost all recipes related to eggshells, you need to reduce them otherwise it can take years to spoil. This can be done with a mortar, a robot, by hand or even a glove, “explains Alexandra Berrou. And for those who are easily discouraged by this step: “We can make this activity for children!”.

Do your laundry

If your clothes look dull, eggshells are there to restore their shine. “They say you can crush the shells and put them in tights or a well-tied piece of cloth, which you add to the drum. For my part, I find it very good to reduce it to powder before adding it directly to the wash. This is not what is polluting our water!”

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Clean your plates

Water, soap and some eggshells: that’s all you need to make your dishes shine. “You have to grind the shells into a powder and mix it with hot water and liquid detergent.” A natural abrasive for shiny dishes. A little extra? This mixture cleans your pipes on the road.

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Enrich the compost

Before starting, a reminder shot is needed: “Compost is not a waste bin, a rotten place or a garbage dump” remembers Alexandra Berrou. Even today, there are many preconceptions about this practice, despite all its benefits for the planet. “We know that fruit and vegetables are made up of 85% water, and unfortunately household waste is burned in the Paris region. However, burning water requires a lot of energy. This is why compost is needed. To make it rich and fertile, eggshells are good. Just throw them in, crushed or powdered, and remember to mix the compost well to keep all the humidity without smell.

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Fertilize the soil

What the planet has graciously given, we must give back. And you don’t have to have compost at home to do it. Once your eggshells dry, then turn into pieces or powder, Alexandra Berrou strongly recommends depositing this fertilizer at the foot of the trees during nature walks. “We can put them in our planters, in our vegetable gardens, in our plants, in parks… Wherever there is land, they will improve it”.

Hunting crawling pests

Slugs, snails and other insects cause damage to vegetable gardens. To care for its fruits, vegetables and plants, it is necessary to find it gentle and ecological. The eggshell can be used once crushed, thanks to its sharp edges, which become a natural barrier and slow it down.

Prepare seeds

Another tip for green fingers: rich in nutrients and natural, the eggshell is undoubtedly the ideal medium for sowing. “We took the shell cut in half and made a small hole in the base to drain the water. The advantage is that you can plant the seedling directly in the ground using the shell”. A better alternative is to use a yoghurt pot or a plastic tray.

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