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If you’ve ever before needed to conveniently chill a warmth drink in a glass bottle, you’re probably already aware that the freezer will perform the trick. But if you take place to forget that you put your drink in there, you might end up through a wrong bottle.

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Is this outcome because of the nature of glass itself, or could it be the the liquids freeze in the bottle are leading to the glass come break?

While this to represent a pretty details example, glass is becoming an ext and more popular as a warehouse medium, even if it is storing foodstuffs in glass jars for irreversible storage or in glass containers for temporary keeping.

In this article, let’s find out even if it is or no it’s for sure to put your glass bottles and also containers in the freezer, and also what you deserve to do to store them from breaking.

Can Glass walk in the Freezer?


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So, what’s walk to take place if you put a glass container in the freezer? Well, that’s completely dependent top top a selection of factors, such as the contents and also the initial temperature the the container.

To price the question above, yes, glass can go in the freezer without issue for breaking, as lengthy as specific conditions space met. Let’s take a look at these conditions next.

Why go Glass occasionally Break in the Freezer?

When excellent the best way, her glass containers shouldn’t break once frozen. Why climate does this happen to so countless people? Well, there space a few things that can lead come this.

The first, and most obvious, is the components of the glass container. Unlike many things, water actually broadens as the freezes. With that gift said, if her container contains liquid (or foodstuffs high in water content), it might break because of the push put on that by the liquid within of it.

Also, not all glass is recommended for freezing. When you could not operation into any kind of issues v non-tempered glass, it’s lot safer to use tempered glass, when possible.

Tempered glass is much stronger and also doesn’t contain tiny pockets that air, choose non-tempered glass, which deserve to expand and also contract v temperature fluctuations.

Another factor for glass break in the freezer is as soon as a container is subjected to a fast temperature change. For example, if you take it a warm casserole dish and also place it into the freezer, you’ll operation the threat of break the casserole dish because of the far-reaching change in temperature during a short period of time.

How to save Glass from break in the Freezer

In the section above, I extended a couple of reasons why glass containers have tendency to break as soon as frozen. Now, let’s take it these observations and also turn them right into some easy-to-follow rule to use any time you freeze glass.

1 – usage Tempered or Freezer-Safe Glass


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Not all glass is produced equal. If you setup on freezing foodstuffs or liquids in glass jars or containers, always opt because that tempered glass or glass labeled together freezer safe, prefer this set, which is labeled together safe because that the freezer, microwave, oven, and also dishwasher.

As mentioned earlier, non-tempered glass has tiny pockets that air, which deserve to expand and also contract as the temperature that the glass changes.

Tempered glass, top top the other hand, is lot stronger and can handle temperature changes just good (assuming the remaining pointers in this post are preserved in mind). Canning jars are commonly safe because that freezing, so one of two people look because that these, or look because that something labeled as freezer safe.

2 – leave Headspace

As I discussed above, as soon as water freezes, it expands. This is just one of the most usual reasons because that glass division or cracks in the freezer. To protect versus this, merely leave some room for development in her food container. This is regularly referred to together headspace.

By leaving a bit of space at the peak of your container, the contents will simply increase upward, pour it until it is full the empty space. Simply be mindful of the following tip as well…

3 – Don’t Tighten the lids Immediately

When the materials of your container expand, they’ll put pressure on the waiting in the container as well. If you tightly seal your lid, this pressure will be put on the glass itself, potentially bring about a break.

To protect against this from happening, simply leave your lids loosened on her containers till the components are completely frozen. This can take 24 hrs or longer, relying on the form and amount of food or liquid in your container. When frozen, walk ahead and tightly seal the lid.

4 – avoid Containers v Shoulders


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If you’re utilizing mason jars because that storage, i beg your pardon are really popular this days, look because that ones the don’t have actually rounded shoulders on the top. Instead, look for ones that have straight sides with a nice wide opening at the optimal of the jar. This set from ball is a perfect example.

If you usage jars through shoulders, simply make sure you leaving plenty the empty an are for expansion below the beginning of the bottom curve the the shoulders. This way, as soon as the liquids start broadening upward, castle don’t run into an ext resistance (which is the concern you might confront with jars that have shoulders).

5 – readjust Temperatures Gradually

While glass can safely be put in the freezer, it’s necessary that you’re careful around how quickly the glass transforms temperatures. Never put a warmth glass container directly in the freezer.

If possible, first let her glass containers cool come room temperature. Indigenous there, ar them in the fridge for several hrs to cool also further. As soon as cooled, place them in the freezer.

When put glass containers in the freezer, don’t placed them near any kind of freezing components, and don’t placed them straight on height of various other frozen items. This will topic the glass to also drastic of a readjust in temperature, which might lead come a glass break.

When thawing your frozen items, you’ll desire to reverse the process by very first loosening the lid, then putting the container in the refrigerator to thaw, then finally allowing the container to warm up to room temperature.

6 – prevent Narrow Containers

The logic to this reminder is comparable to the one above around using wide-mouth containers. As soon as the liquids in your container expand, they need room because that the expansion. By using a tall, narrow container, the liquids close to the bottom of the container need to work more difficult to expand upward.

A an easy trick to increase the development area that seems to occupational well because that a many of world is to placed your container contempt on it’s side in the freezer. By law so, you’re providing the components of the container a larger area to expand upward.

7 – Put room Between Containers

The last pointer for freezing glass cars or containers is to leave an are between them. If you’re freezing number of glass jars at once, don’t placed them right alongside each various other in the freezer.

Instead, leave part “breathing room” in between them come prevent any type of pressure transforms from one container to have an effect on the containers sitting directly next come it.

What space the benefits of Storing foodstuffs in Glass Containers?


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Now the you recognize that it’s possible to save foods and also liquids in glass containers in the freezer, let’s take it a look in ~ some reasons why you can prefer glass over various other storage mediums.

1 – They’re Non-Toxic

When save on computer food, one thing you must be concerned around are any toxins that have the right to potentially leach right into your food from the surface ar of the warehouse medium. The same goes because that your food preparation surfaces, such as pans and baking sheets.

People have become much more aware of the chemicals found in plastic food containers, so you’ve most likely noticed a most packaging that consists of messages favor “BPA Free.” As lengthy as friend buy her glass containers from trustworthy manufacturers, friend don’t even have to worry around toxicity at all.

2 – They’re straightforward to Clean

Another benefit of glass containers is the they’re relatively easy to clean. Simply let them soak in hot water for a bit, then wipe off the surface.

Because glass is non-porous, the won’t grab onto food particles. This results in a surface that’s much easier to clean, and also one the doesn’t maintain odors.

3 – They’re scratch Resistant

We have actually plastic food storage containers at home that are covered in scratches. Not only does this look at bad, but it adds small crevices that often tend to stain easily.

With glass, your main problem will it is in to save it indigenous breaking. You won’t have actually to deal with scratches, favor you perform with plastic containers.

4 – they Don’t Absorb Odors

As you’ve probably noticed, plastic storage containers regularly take top top the odor of the foods items that were previously stored in them. Those foods likewise often stain the surface ar of the containers.

With glass, you can conveniently clean the surface, and you’ll be left v a container that doesn’t maintain any kind of odors indigenous the items previously stored within of them. This is as result of glass gift non-porous.

5 – They continue to be Crystal Clear

While plastic containers might seem really convenient, one thing that’s no so good about them is the it’s challenging to view the components inside that them. This just gets worse end time, together plastic frequently stains.

With glass containers, friend can easily see what you have stored in them, making it an ext likely the you won’t merely forget about them and let them get buried in the back of your freezer.

Also, since they’re so simple to clean, you don’t have actually the difficulty that you have actually with plastic containers whereby the surface gets cloudier end time.

6 – They’re relatively Inexpensive

Glass jars have become very popular for food storage end the last several years, and also with great reason. In addition to the various other reasons already mentioned, they’re durable, and they deserve to be purchase in mass for a reasonably low cost.

When you factor in just how long they last (more on the below), the expense of a fill of jars is even much better than it might seem in ~ first.

7 – They’re Reusable

One the the greatest benefits the glass is that it’s reusable. Unequal other varieties of storage containers that tend to wear under over time, glass deserve to be provided over and also over again.

Also, as pointed out above, when glass is appropriately cleaned, it virtually looks new and doesn’t lug over any type of of the odors native previous uses.

Final Thoughts

Because of the countless benefits the glass, such together being complimentary of harmful chemistry that have the right to potentially leach into our foods, it’s perfect storage tool to use. Back you’ve most likely heard fear stories that glass breaking in the freezer, friend don’t have to suffer the exact same fate.

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As lengthy as you take it a few precautions, such as using tempered glass, leaving some room for expansion, and avoiding quick temperature changes, you deserve to safely and easily keep your excess foods items in glass containers in the freezer.