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How to keep eggs fresh for years: Water glassing eggs

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Water glassing eggs preserves your eggs for months.

I care for 32 chickens 365 days of the year and last winter I BOUGHT eggs. Never again! I’m egg-static to tell you I’ve discovered an ancient preservation technique that claims to keep your eggs fresh for up to 2 years – water glassing eggs.

Skeptical? I was too. I thought water glassing eggs was either going to be a delicious high fiving success or I would die from food poisoning after I tasted my first egg in 6 months. But I’m happy to report I’m still alive although I did develop a small eye twitch…Just kidding!

Water glassing works and the eggs are absolutely delicious! You can scramble them, bake with them, boil them…anything you’d do with a fresh egg.

FAQ – Water Glassing Eggs

  • What is water glassing eggs?
  • When did people first start water glassing eggs?
  • Is water glassing eggs safe?
  • Why shouldn’t I supplement lighting?
  • How do I water glass eggs?
  • How long are water glassed eggs goods for?
  • What do water glassed eggs look and taste like?
  • How do I use water glassed eggs?
  • Can I use water glassing to preserve quail or duck eggs?
  • What do I do with leftover hydrated lime?
  • When is the best time to preserve eggs?

What is water glassing eggs?

Water glassing is a quick and easy method of preserving your fresh eggs for up to a year (or more!) using just water and pickling lime (calcium hydroxide).

The recipe itself is so laughingly simple, I can’t believe I hadn’t heard of it before. Basically, you mix pickling lime with water and place your eggs into the solution, which preserves the eggs. Months later you can enjoy fresh eggs as if you just plucked them from the coop.

When did people first start water glassing eggs?

Water glassing eggs dates back to at least 1913 and likely much longer, according to this 1917 circular from the Utah Agricultural College, which says: “The preserving of eggs in the home is not a new practice and has passed the experimental stage.” This was reassuring to read before I actually took a bite out of my first 6-month-old egg.

The circular describes two methods of preserving eggs – using sodium silicate or using pickling lime (calcium hydroxide). I have chosen to use limewater instead of a sodium silicate solution (the traditional water glassing method, which gets its name from the fact that as the water evaporates, the solution solidifies into a glassy solid). Why? Hydrated lime is a cheap, natural product that is readily available.

Water glassing eggs

Is water glassing eggs safe?

This was one of my biggest concerns. I was actually afraid to eat my 6-month old water glassed eggs. But I shouldn’t have been. Water glassing keeps bacteria from getting inside your eggs thanks to the limewater solution, which is extremely alkaline. Bacteria and microorganisms simply can’t grow in this environment.

Note: It is important to wash the limewater off your eggs before you eat them. A drip of limewater could cause your eggs to curdle.

Why I don’t supplement lighting

Before I explain how to perform this fascinating water glassing feat, let me explain why I don’t supplement lighting and instead have chosen to preserve my eggs.

Chickens need light to lay eggs. Mother Nature has designed the chicken perfectly so that chicks (with their limited feathering) only hatch in the spring and develop during the warm summer months. In fact, most breeds need 14 to 16 hours a day in order to lay eggs. In commercial settings, farmers simply use artificial lighting to keep their chickens laying year-round.

Although I have considered installing lights, I would likely have to install a heater as well so our chickens have both the energy to stay warm and lay eggs. Extra heat would also help ensure the eggs don’t freeze in case I’m not in the coop the moment they lay one (which almost never happens) in -30C degree weather.

Finally, as a small homesteader, I’ll admit I have gotten attached to these crazy chooks. I hope to keep them around for as long as I can. By not supplementing lighting, I can do that. Here’s how:

Hen and her chicks outside.

Chickens are born with all the eggs they will ever lay. If keeping chickens was your day job, the goal would be for the hen to lay all of her eggs as quickly as possible. In fact, in a commercial setting, farmers can achieve this in one year! Then the hens are culled. But by giving my chickens a break from laying eggs, I can draw out the number of years they will lay for and therefore keep them longer – without my husband complaining about the cost of keeping unproductive chickens.

In fact, I may be able to keep them out of the stew pot for up to 17 years if my chickens are anything like Victoria, the Black Rock hen who squeezed out two last eggs at the ripe old age of 17.

But now, this brings us back to the original question – What do you do in the winter when your hens aren’t laying? Enter water glassing eggs or liming eggs . Here’s how it works:

How to water glass or lime eggs

Supplies for water glassing eggs

On your mark. Get set. Grab your lime. Ok, not the actual citrus fruit but what is often called “slaked, hydrated or pickling lime”. This is calcium hydroxide and we are going to use it to make a solution of limewater.

Materials

Calcium hydroxide (hydrated lime) – an inexpensive, white powder derived from limestone, which you can find at most hardware stores or at the grocery store (pickling lime).

“Lime itself is a solid, white compound of calcium and oxygen,” according to HomeScienceSchool. “It’s made from burning limestone (a “stone” made mostly of calcite), shells, and bones.”

Scale and hydrated lime

A scale for measuring the hydrated lime

Container – I used a glass jar, but you could use a ceramic crock or a food-grade plastic bucket.

Water – If your water is high in minerals or you are on city water, it is best to use distilled or filtered water.

Gloves – The limewater will be very alkaline. I suggest using gloves to protect your skin.  

Water Glassing Eggs Recipe

  • 1-ounce pickling lime
  • 1 litre distilled or filtered water (room temperature) 
  • one dozen fresh eggs, clean and unwashed 

Directions

A dozen eggs

Step 1

Head to the coop and gather fresh, clean eggs. There must be no poop or dirt on the shells! You can’t even wipe them clean. This could remove the egg’s bloom coating, which keeps bacteria from penetrating the egg.

Step 2

Carefully place the eggs pointy side down (eggs should always be stored this way to help prevent spoiling, according to this article from BBC Science Focus Magazine) into your container.

Hydrated lime solution

Step 3

Mix together the water and calcium hydroxide. It will look milky. But because this is a saturated solution, the lime will settle and continue to settle over time. Don’t worry. This is normal. Using warm or boiling water, will not prevent this from happening.

Pouring hydrated lime into glass container

Step 4

Pour the mixture over your eggs. Leave about two inches of liquid above the eggs.

Step 5

Cover to prevent the liquid from evaporating over time. You may want to check on them occasionally to ensure they remain covered. Don’t forget to date and label your container. Store in a cool, dark location until ready to use.

When you are ready to gobble up some fresh eggs, wash them well first before cracking them open. A drip of limewater could cause your eggs to curdle.

PRO TIPS – Water Glassing Eggs

  • You don’t have to gather all your eggs at once. You could select eggs on a daily basis over the course of a week or two continuing to add them one by one to the preserving liquid. This is what I have been doing.
  • Try not to move your container once you add your eggs. If an egg cracks, it’ll ruin your whole batch. (This may sound like a no-brainer, but if you are using a large container, just moving it a few inches can cause some cracking.)
  • Crack each egg in a separate bowl prior to using just in case one has gone bad. This is standard practice in our household especially when I find an egg that has been laid in a random location like inside our bag of shavings or under the doorstep. Sigh.
  • The eggs should no longer be porous after sitting in limewater. They should be well sealed. So, if you are planning to hard boil or steam an egg, you should pinprick the shell first to prevent the egg from popping or exploding in your water.
  • Wash your eggs well before cracking them open. A drip of limewater could cause your eggs to curdle.
A dozen eggs on a shelf

How long do fresh eggs versus preserved eggs last?

On your counter: about 21 days

In your fridge: about 50 days

Water glassing eggs: up to two years

Before you report me to Health Canada, the above numbers (sourced from the Chicken Whisperer Magazine) are for “unwashed eggs”. The eggs you buy at the store will NOT last this long. Commercial eggs have all been thoroughly washed, bleached, and possibly coated with mineral oil.  

In order for eggs to stay fresh, they have to retain their “bloom coating”. This coating is what keeps bacteria from penetrating the egg. When you wash your eggs, you remove this protective barrier. Here is a more scientific explanation.

Chicken sitting outside

What do water glassed eggs look and taste like?

It’s hard to believe, but eggs kept in limewater taste and look exactly like a fresh egg.

How do I use water glassed eggs?

When you are ready to use an egg, simply remove it from the limewater solution and rinse it clean. You can then use it just like you would a fresh egg – scramble, bake, boil!

You can also save yourself the hassle of having to pull an egg from your water glassing solution each time you need one by taking a few from the container and storing them in the fridge. However, be sure to use them within a few days and always store them in the fridge. 

Can I use water glassing to preserve quail or duck eggs?

You can use any type of eggs as long as they are not store-bought. Commercial eggs have all been thoroughly washed, bleached, and possibly coated with mineral oil.  You also don’t want to wash the eggs before preserving them. This could remove the egg’s bloom coating, which keeps bacteria from penetrating the egg.

What do I do with leftover hydrated lime?

We use it around the homestead to preserve wood. We whitewash both our barn and chicken coop.

When is the best time to preserve eggs?

Although there is no best time, I started in the fall before my chickens stopped laying for the winter. But you may want to start water glassing as soon as your chickens start laying more eggs than your family can eat. This could be in the early spring or summer.

Now, who is going to join me in this eggs-periment? Have you tried or do you plan to try water glassing eggs? Let me know in the comments below.

Water Glassing Eggs Recipe

Do your chickens stop laying eggs every winter? Water glassing eggs is the solution. Enjoy fresh eggs all year – without artificial lights.
Print Recipe Pin Recipe
Prep Time 18 mins

Equipment

  • Calcium hydroxide (hydrated or pickling lime) – an inexpensive, white powder derived from limestone, which you can find at most hardware stores or at the grocery store (pickling lime).
  • A scale for measuring the hydrated or pickling lime
  • Container – I used a glass jar, but you could use a ceramic crock or a food-grade plastic bucket.
  • Water – If your water is high in minerals or you are on city water, it is best to use distilled or filtered water.
  • Gloves – The limewater will be very alkaline. I suggest using gloves to protect your skin.

Ingredients
  

  • 1 ounce pickling lime
  • 1 litre distilled or filtered water room temperature
  • 1 dozen fresh eggs clean and unwashed

Instructions
 

  • Head to the coop and gather fresh, clean eggs. There must be no poop or dirt on the shells! You can’t even wipe them clean. This could remove the egg’s bloom coating, which keeps bacteria from penetrating the egg.
  • Carefully place the eggs pointy side down (eggs should always be stored this way to help prevent spoiling) into your container.
  • Mix together the water and calcium hydroxide. It will look milky. But because this is a saturated solution, the lime will settle and continue to settle over time. Don’t worry. This is normal. Using warm or boiling water, will not prevent this from happening.
  • Pour the mixture over your eggs. Leave about two inches of liquid above the eggs. Cover to prevent the liquid from evaporating over time. You may want to check on them occasionally to ensure they remain covered.
  • Don’t forget to date and label your container. Store in a cool, dark location until ready to use.
  • When you are ready to gobble up some fresh eggs, wash them well first before cracking them open. A drip of limewater could cause your eggs to curdle.

Notes

  • You don’t have to gather all your eggs at once. You could select eggs on a daily basis over the course of a week or two continuing to add them one by one to the preserving liquid. This is what I do.
  • Try not to move your container once you add your eggs. If an egg cracks, it’ll ruin your whole batch. (This may sound like a no-brainer, but if you are using a large container, just moving it a few inches can cause some cracking.)
  • Crack each egg in a separate bowl prior to using just in case one has gone bad. This is standard practice in our household especially when I find an egg that has been laid in a random location like inside our bag of shavings or under the doorstep. Sigh.
  • Your eggs should no longer be porous after sitting in limewater. They should be well sealed. So, if you are planning to hard boil or steam an egg, you should pinprick the shell first to prevent the egg from popping or exploding in your water.

If you liked this post, check out:

Got a few minutes? Try your hand at fermenting pickles?
What I wished I would have known about raising chicks
Converting an existing structure into a chicken coop

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Filed Under: Learning the art of preserving, Preserves

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Comments

  1. Heidi Walczak says

    November 3, 2020 at 6:02 pm

    Always enjoy reading your blog. I am soon going to live off grid (buying yurt) and plan of few chickens along with my already few bee hives. 😊
    Anyhow thank you !
    Heidi

    Reply
    • Kimberlee Bastien says

      November 3, 2020 at 8:24 pm

      Oh wow! That sounds amazing and so exciting! I would love to hear all about your adventures and what you learn along the way. Good luck with the chickens. I think you will really enjoy keeping them.
      Thank you! 🙂

      Reply
  2. Miss Mac says

    February 6, 2021 at 1:49 pm

    Hello there!
    I currently have water glassed eggs in a container and am ready to start using them. They have been in the lime solution for about 4 months. This is my first batch so I only have about 2 dozen eggs in the container. I am wondering if I can wash the lime solution off the eggs and store them in the fridge for easier access? Or is it better to pull them from the lime solution daily as needed?

    Reply
    • Kimberlee Bastien says

      February 8, 2021 at 6:15 pm

      Hello and thank you for your question. It is a very good one! Yes, you can save yourself the hassle of having to pull an egg from your water glassing solution each time you need one by taking a few from the container and storing them in the fridge. However, be sure to use them within a few days to ensure they don’t go bad and always store them in the fridge. Thank you again and I hope you are enjoying your eggs. 🙂

      Reply
  3. Lea Waker says

    February 28, 2021 at 1:38 am

    I was wondering if the eggs have to come directly from the hen house or if you can use eggs that have been placed in the refrigerator for a few days? Will it not work if you use cold eggs? Thank you for the recipe.

    Reply
    • Kimberlee Bastien says

      February 28, 2021 at 4:49 pm

      Hi Lea! You’re welcome and thank you for your question. The temperature of the eggs doesn’t matter as long as they are fresh and unwashed. 🙂

      Reply

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