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If you’ve ever before needed to easily chill a heat drink in a glass bottle, you’re probably already aware the the freezer will do the trick. Yet if you happen to forget that you placed your drink in there, you might end up v a wrong bottle.

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Is this outcome because of the properties of glass itself, or can it be the the liquids freeze in the party are leading to the glass to break?

While this to represent a pretty specific example, glass is becoming more and an ext popular together a warehouse medium, whether storing foodstuffs in glass jars for permanent storage or in glass containers for momentary keeping.

In this article, let’s discover out even if it is or no it’s safe to put your glass bottles and containers in the freezer, and what you can 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 placed a glass container in the freezer? Well, that’s totally dependent top top a selection of factors, such together the contents and the early stage temperature the the container.

To answer the question above, yes, glass can go in the freezer without concern for breaking, as long as certain conditions space met. Let’s take it a look at these problems next.

Why go Glass sometimes Break in the Freezer?

When excellent the appropriate way, your glass containers shouldn’t break when frozen. Why then does this happen to so numerous people? Well, there are a couple of things that deserve to lead to this.

The first, and also most obvious, is the components of the glass container. Unlike most things, water actually broadens as the freezes. With that being said, if her container includes liquid (or foods high in water content), it could break due to the press put on the by the liquid within of it.

Also, no all glass is recommended because that freezing. While you could not operation into any issues with non-tempered glass, it’s lot safer to use tempered glass, when possible.

Tempered glass is lot stronger and also doesn’t contain tiny pockets the air, like non-tempered glass, which have the right to expand and also contract through temperature fluctuations.

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

How to store Glass from break in the Freezer

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

1 – use Tempered or Freezer-Safe Glass


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Not all glass is created equal. If you arrangement on freezing foods items or liquids in glass jars or containers, constantly opt for tempered glass or glass labeled as freezer safe, choose this set, i beg your pardon is labeled together safe because that the freezer, microwave, oven, and dishwasher.

As discussed earlier, non-tempered glass includes tiny pockets of air, which deserve to expand and contract as the temperature of the glass changes.

Tempered glass, on the various other hand, is lot stronger and also can manage temperature alters just well (assuming the remaining pointers in this article are retained in mind). Canning jars are generally safe because that freezing, so one of two people look for these, or look for something labeled as freezer safe.

2 – leaving Headspace

As I stated above, as soon as water freezes, it expands. This is among the most usual reasons for glass division or cracks in the freezer. Come protect versus this, simply leave part room for expansion in her food container. This is regularly referred to as headspace.

By leave a little bit of an are at the optimal of your container, the contents will simply expand upward, filling the empty space. Just be aware of the following tip together well…

3 – Don’t Tighten the covering Immediately

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

To protect against this from happening, merely leave your lids loose on your containers until the materials are totally frozen. This can take 24 hrs or longer, relying on the form and quantity of food or liquid in your container. Once frozen, walk ahead and also tightly seal the lid.

4 – avoid Containers with Shoulders


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If you’re making use of mason jars because that storage, i m sorry are very popular these days, look because that ones the don’t have rounded shoulders on the top. Instead, look because that ones that have straight sides with a nice large opening at the optimal of the jar. This collection from ball is a perfect example.

If you use jars through shoulders, just make certain you leave plenty the empty space for expansion listed below the beginning of the bottom curve of the shoulders. This way, once the liquids start widening upward, lock don’t operation into an ext resistance (which is the issue you might confront with jars that have actually shoulders).

5 – change Temperatures Gradually

While glass deserve to safely be put in the freezer, it’s necessary that you’re careful around how conveniently the glass transforms temperatures. Never ever put a heat glass container directly in the freezer.

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

When place glass containers in the freezer, don’t placed them near any kind of freezing components, and also don’t placed them directly on peak of various other frozen items. This will topic the glass to also drastic the a change in temperature, which could lead to a glass break.

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

6 – avoid Narrow Containers

The reasonable to this guideline is similar to the one above around using wide-mouth containers. As soon as the liquids in your container expand, they require room because that the expansion. By using a tall, narrow container, the liquids near the bottom of the container need to work more tough to expand upward.

A basic trick to boost the development area that appears to occupational well because that a lot of people is to placed your container contempt on it’s next in the freezer. By doing so, you’re giving the materials of the container a larger area to increase upward.

7 – Put room Between Containers

The last tip for freeze glass cars or containers is to leave space between them. If you’re freezing several 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 pressure alters from one container to have an result on the containers sitting straight next come it.

What are the services of Storing foods in Glass Containers?


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

1 – They’re Non-Toxic

When storing food, one thing you need to be concerned about are any type of toxins that can potentially leach right into your food indigenous the surface ar of the warehouse medium. The very same goes because that your food preparation surfaces, such together pans and baking sheets.

People have actually become an ext aware of the chemicals found in plastic food containers, so you’ve more than likely noticed a lot of packaging that includes messages prefer “BPA Free.” As lengthy as girlfriend buy her glass containers from dependable manufacturers, girlfriend don’t even have come worry about toxicity in ~ all.

2 – They’re straightforward to Clean

Another advantage of glass containers is the they’re relatively easy come clean. Just let lock soak in warm water for a bit, then wipe off the surface.

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

3 – They’re scrape Resistant

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

With glass, your main problem will it is in to keep it indigenous breaking. Friend won’t have to resolve scratches, like you carry out with plastic containers.

4 – lock Don’t Absorb Odors

As you’ve most likely noticed, plastic warehouse containers often take top top the smell of the foods that were formerly stored in them. Those foods also often stain the surface of the containers.

With glass, girlfriend can easily clean the surface, and also you’ll it is in left with a container that doesn’t maintain any odors indigenous the items previously stored within of them. This is due to glass gift non-porous.

5 – They stay Crystal Clear

While plastic containers might seem really convenient, one point that’s no so an excellent about castle is the it’s an overwhelming to watch the components inside that them. This just gets worse end time, as plastic often stains.

With glass containers, friend can quickly see what you have actually stored in them, do it an ext likely that you won’t simply forget about them and let lock get hidden in the back of your freezer.

Also, because they’re so simple to clean, friend don’t have the problem that you have with plastic containers wherein the surface ar gets cloudier over time.

6 – They’re reasonably Inexpensive

Glass jars have actually become very popular because that food storage over the last several years, and also with good reason. In addition to the various other reasons currently mentioned, they’re durable, and they can be bought in mass for a fairly low cost.

When you variable in how long they critical (more on the below), the expense of a fill of jars is even better than it may seem at first.

7 – They’re Reusable

One that the best benefits the glass is that it’s reusable. Unlike other types of warehouse containers that tend to wear under over time, glass deserve to be supplied over and also over again.

Also, as stated above, as soon as glass is correctly cleaned, it almost looks new and doesn’t carry over any type of of the odors from previous uses.

Final Thoughts

Because the the many benefits of glass, such together being totally free of harmful chemistry that can potentially leach into our foods, it’s perfect storage medium to use. Although you’ve probably heard horror stories the glass breaking in the freezer, you don’t have to suffer the same fate.

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As long as you take it a couple of precautions, such as utilizing tempered glass, leaving some room because that expansion, and avoiding rapid temperature changes, you have the right to safely and also easily keep your excess foods in glass containers in the freezer.