DIY Eggshell Calcium Powder

Let’s talk about eggshells today. Long, long time ago if you give me eggshells, I’ll use them to make crafts.

eggshell craft

Cute? You can refer to the tutorial here -> Eggshell crafts

These days, I rarely use eggshells for crafts as Ayden is too young to be painting on them. He’ll most likely crush them and the big brother Ethan prefers to paint on pebble stones instead.

So what do I do with my eggshells? I use them for my potted plants.

egg shell calcium

Ayden helps me make eggshell and coffee tea weekly for the plants. It is very easy to make. All we need are empty containers, eggshells, coffee grounds and water. Mix them all in and let them sip for at least 5 days. Use it to water the plants especially when they are flowering because without proper amount of calcium in the soil, plants may produce deformed blooms. The minerals from the shells to potted plants nourishes the soil. The added calcium will give plants a much-needed boost through production season.

Besides making eggshell tea, we also make our own calcium powder. Yes, I know we can actually consume calcium powder made out of eggshell but I am not that adventurous yet. At this moment, the calcium powder is for my plants.

DIY egg shell calcium powder for plants

Wash and dry eggshells.

The easiest way is to grind them in a blender but I chose to pound them because Ayden enjoys doing it.


My kitchen doesn’t have bottles of spices but it does have a rackful of eggshell powder :P

Of course pounding it won’t be as fine as blending but it’s okay because I use this for my spinach garden and it helps keep slugs away. Just sprinkle this eggshell powder around the base of the spinach. Slugs won’t be able to move up to the plant with these thing around. 

Eggshell powder also acts as a slow-release fertilizer so it is good to use any time for all my plants :) 

7 Comments + Add Comment

  • //

    Poor thing! Made to do the pounding. I hope he did not get to pound his fingers – I remember that happening to me when I did some pounding as a kid. :(

    • //

      He loves it tu! Always fighting with Ethan for it :D

  • //

    Yes…those eggshells are the fertilizer for my plant too.

    I even scattered some onions around to prevent certain insects eating the leaves. Not sure if it works.

  • //

    What a great tip!

    Thanks for sharing, Merryn.

  • //

    I use egg shell too my I just throw on the soil without crashing it :P

  • //

    I thought you wanna makan the eggshells. :/

  • //

    Ayden is so helpful! Eggshells are so useful.

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MeHome is where MY heart is.
I am a mother to two boys; Ethan and Ayden and a wife to Darling William. I'm a stay at home mum who blogs to break the monotony of life and to avoid feeling jaded. Would love to get to know all the Super Mommies and Daddies and Babies or Singles out there with the hope that we can learn more from each other. Most of all, I am a happy person, and I hope YOU are too.

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