10 Smart Ways to Use Leftover Eggshells Around the House

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Directly Above View Of Eggshells In Carton On Table

If you live for scrambled eggs but toss the used shells in the trash, you're missing out. Eggshells are largely composed of calcium. Their mineral makeup and their abrasiveness means they can actually play a useful role around your home. From feeding your plants to improving the taste of your morning joe, eggshells are surprisingly versatile. All the more reason to make more omelettes.

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If you live for scrambled eggs but toss the used shells in the trash, you're missing out. Eggshells are largely composed of calcium. Their mineral makeup and their abrasiveness means they can actually play a useful role around your home. From feeding your plants to improving the taste of your morning joe, eggshells are surprisingly versatile. All the more reason to make more omelettes.

Scrub Pots Clean

High Angle View Of Egg In Cooking Pan On Cutting Board

If you've ever cut yourself on the edge of a broken eggshell, you know that those thin shells are stronger than they look. Turn them into a DIY abrasive cleaner that you can use to scour stuck-on food in pots and pans. First, choose clean shells and let them dry completely. Use a food processor, coffee grinder or mortar and pestle to crush the shells, then mix them with baking soda and get scrubbing.

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If you've ever cut yourself on the edge of a broken eggshell, you know that those thin shells are stronger than they look. Turn them into a DIY abrasive cleaner that you can use to scour stuck-on food in pots and pans. First, choose clean shells and let them dry completely. Use a food processor, coffee grinder or mortar and pestle to crush the shells, then mix them with baking soda and get scrubbing.

Counteract Acidity in Coffee

High Angle View Of Black Coffee And Eggs On Table

It might seem counterintuitive to take something that you might normally toss in the trash, and put it into your morning coffee. But because the calcium carbonate in the shells absorbs acidity, this trick actually works to make a better cup of joe — at least, if you're using beans that taste a little too bitter or acidic for you. In that case, crumble a bit of clean shell and add it to your coffee grounds before adding water. This works best in a drip coffee maker, since it keeps shell from actually getting into the water.

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It might seem counterintuitive to take something that you might normally toss in the trash, and put it into your morning coffee. But because the calcium carbonate in the shells absorbs acidity, this trick actually works to make a better cup of joe — at least, if you're using beans that taste a little too bitter or acidic for you. In that case, crumble a bit of clean shell and add it to your coffee grounds before adding water. This works best in a drip coffee maker, since it keeps shell from actually getting into the water.

Boost Your Compost

Bowl with food leftovers for the compost, with sliced zucchini on a cutting board in the background.

The nutrients in eggshells can ultimately help your garden grow. Keep shells to toss into compost, where they'll eventually break down and add calcium and other minerals to the mix. Let shells dry out on a counter for a few days first. Then break them into small pieces before adding them to compost, to help them break down as quickly as possible.

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The nutrients in eggshells can ultimately help your garden grow. Keep shells to toss into compost, where they'll eventually break down and add calcium and other minerals to the mix. Let shells dry out on a counter for a few days first. Then break them into small pieces before adding them to compost, to help them break down as quickly as possible.

Craft a Colorful Mosaic

After Easter. The end of the Easter celebration.

It takes a lot of creativity to keep kids entertained. Save eggshells to transform into colorful crafts on a rainy day. Pieces of broken shell can be glued to paper to make mosaic designs. Help kids paint or dye pieces of broken shell, or leave them plain and create white mosaics on colored paper.

Credit: Curly Courland Photografy/Moment/GettyImages

It takes a lot of creativity to keep kids entertained. Save eggshells to transform into colorful crafts on a rainy day. Pieces of broken shell can be glued to paper to make mosaic designs. Help kids paint or dye pieces of broken shell, or leave them plain and create white mosaics on colored paper.

Feed Your Soil

Close-Up Of Hand Putting Eggshells In Plant

Calcium builds strong bones and strong plants, too. If you don't have a compost pile, you can add eggshells directly to the soil in your garden. Large pieces will take a long time to break down, so let shells dry and crush them into small pieces first. Sprinkle at the base of your plants or mix the shells directly into soil.

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Calcium builds strong bones and strong plants, too. If you don't have a compost pile, you can add eggshells directly to the soil in your garden. Large pieces will take a long time to break down, so let shells dry and crush them into small pieces first. Sprinkle at the base of your plants or mix the shells directly into soil.

DIY Sidewalk Chalk

A midsection view of senior couple standing on a road, with chalk heart by their feet.

Sometimes, you've just got to put the bills aside and go play hopscotch with the kids. Instead of spending cash on colored chalk, make your own at home. All you need for homemade chalk is eggshells, flour, water and food coloring. You can even use molds to make chalk in shapes that kids will love.

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Sometimes, you've just got to put the bills aside and go play hopscotch with the kids. Instead of spending cash on colored chalk, make your own at home. All you need for homemade chalk is eggshells, flour, water and food coloring. You can even use molds to make chalk in shapes that kids will love.

Feed the Birds

Backyard Birds

Eggshells are for the birds.... literally. Their calcium content makes them a safe snack for your feathered friends, and adding shells to your birdseed might actually attract birds to it. Let clean shells completely dry out on a counter for a few days, or bake them at low temperatures until they're brittle. Crumble and add to your bird feeder.

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Eggshells are for the birds.... literally. Their calcium content makes them a safe snack for your feathered friends, and adding shells to your birdseed might actually attract birds to it. Let clean shells completely dry out on a counter for a few days, or bake them at low temperatures until they're brittle. Crumble and add to your bird feeder.

Remove Hard-to-Reach Stains

Bouquet of  pink ruffled peonies in aquamarine vas

If you don't have a bottle brush on hand, cleaning the inside of a tall vase or thin-necked water bottle can be a real challenge. Use the abrasiveness of eggshells to solve this problem. Drop crushed shell into these hard-to-clean containers, along with water and dish soap. Swirl the mixture vigorously to help the shells remove any stains, then pour everything out and rinse with plain water.

Credit: Cora Niele/Photolibrary/GettyImages

If you don't have a bottle brush on hand, cleaning the inside of a tall vase or thin-necked water bottle can be a real challenge. Use the abrasiveness of eggshells to solve this problem. Drop crushed shell into these hard-to-clean containers, along with water and dish soap. Swirl the mixture vigorously to help the shells remove any stains, then pour everything out and rinse with plain water.

Nurture Seedlings

Eggshell used as flower pot with a small plant growing in his interior.

A baby plant is a delicate thing. Seedlings don't need a ton of space to grow in at first, so halved shells make the perfect first home for new plants. Nestle shells in a bed of soil to keep them stable, then fill each one with soil and one seed. When the plants start to grow, transferring them to larger pots is as easy as breaking up the shell.

Credit: Jose A. Bernat Bacete/Moment/GettyImages

A baby plant is a delicate thing. Seedlings don't need a ton of space to grow in at first, so halved shells make the perfect first home for new plants. Nestle shells in a bed of soil to keep them stable, then fill each one with soil and one seed. When the plants start to grow, transferring them to larger pots is as easy as breaking up the shell.

String Up a Mobile

Cracked egg shells painted orange on the inside

If you have a knack for breaking eggs perfectly in half, those shell halves can become part of a new whole. Use them to create a mobile to hang in a window or high above a baby's bed. Paint the insides or outsides of the shells, or make a cute Halloween mobile by painting the shell halves with ghost faces. Use a pin to carefully break a hole in each shell and use string and beads to create the final product.

Credit: Aravis_Dolmenna/RooM/GettyImages

If you have a knack for breaking eggs perfectly in half, those shell halves can become part of a new whole. Use them to create a mobile to hang in a window or high above a baby's bed. Paint the insides or outsides of the shells, or make a cute Halloween mobile by painting the shell halves with ghost faces. Use a pin to carefully break a hole in each shell and use string and beads to create the final product.

How to Polish Clam Shells

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