How Long Does Dry Ice Last?

To take the maximum benefit of dry ice, you must know how long does dry ice last. Dry ice is a colorless, non-flammable solid form of carbon dioxide. It is widely used in several applications from food preservation to ice blasting. In today’s post, I will tell you how long does dry ice last outside. Dry ice is a great alternative to regular ice and is cold enough to cause frostbite! Dry ice’s lasting power depends on two factors: how it is stored and the size of the brick. Without wasting much time, let us now find out how long does dry ice last.

How Long Does Dry Ice Last?

Dry ice when stored in a cooler will last for 18 to 24 hours. The lifespan of dry ice depends on the size of the dry ice block as well as the storage conditions. Dry ice when left out will vaporize in about 3 to 5 hours. Dry ice is never a liquid, it goes from a -109.3°F solid state into a gas state.

Now, you must be wondering how long does dry ice last in a Styrofoam cooler. Dry ice when stored in a Styrofoam cooler will last approximately 24 hours. This time period only applies to a regular-sized cooler holding up to 2 dry ice blocks. However, it will last for 3 to 4 days if stored in a large Styrofoam cooler.

People use dry ice in various applications. It is widely used at Halloween for making brews and other frightening ideas. Here, I’ve listed some common uses of dry ice. Let us first know how long does dry ice last when shipping.

  • Dry Ice For Shipping

Dry ice is mostly used for shipping perishable goods and storage of medical supplies. But how long does dry ice last for shipping these items? It will last for about 12 to 24 hours or several days if stored inside a sealed cooler. Sometimes, dry ice inside the shipping box can last between 18 to 36 hours before it gets evaporated.

  • Dry Ice In Water

Dry ice is a very popular product used in drinks like punches and cocktails. Do you know how long dry ice will last in water? Dry ice will last for a very short time when placed outdoors. It sublimates much faster when in liquid than in the open air. It will last only for about 15 to 45 minutes when stored in water.

  • Dry Ice In A Pool

Most people who like using dry ice in a pool often don’t know how long does dry ice last in a pool. Putting dry ice in a pool is dangerous as it can lead to unconsciousness and asphyxia. Dry ice in a pool will last for about 3 to 5 hours. Remember that gas can fill the enclosed spaces.

  • Dry Ice For Making Fog

It is important to know how long does dry ice last when making fog to get a long-lasting fog effect. One pound of dry ice will give 2 to 3 minutes of fog/smoke effect. White fog will be created when you place dry ice into warm or hot water. The hotter/colder the water, the more fog.

You can keep on reading further to know more about how long does dry ice last in a freezer.

How Long Does 10 lb Of Dry Ice Last?

10 lb of dry ice can last up to 24 hours when stored in a standard 25-quart cooler. But the lifespan of dry ice also depends on other factors. This includes the type of storage you’re using, the size of your cooler, environmental conditions, and the duration of storage.

Tips To Make Dry Ice Last Longer

Now, I hope you’ve understood how long does dry ice last in a cooler. You can consider the following tips to extend the lifespan of dry ice.

  • Pre-chilled Insulated Cooler

You can use a high-quality insulated cooler to increase the lifespan of your dry ice. When the inside of your cooler is already cold, the dry ice will be colder for longer. You can line the cooler with aluminium foil to keep the cold in.

  • Larger Bricks

Usually, larger bricks last longer as they take longer to sublimate. Make sure you avoid the temptation of breaking up the bricks to extend the lifespan of your dry ice.

  • Keep Water Out

Water will minimize the lifespan of dry ice. So, it’s best to keep water out by only opening the lid of your cooler when necessary. This will avoid dry ice melting or thawing out.

Safety Tips To Consider While Using Dry Ice

You have to consider the following safety tips while handling dry ice.

  • Always store dry ice in a cooler with a loosely closed lid.
  • Never store dry ice in an airtight container. This can build up carbon dioxide gases as the dry ice sublimates. This can even cause the container to burst.
  • If possible keep the cooler in the coolest and most well-ventilated area.
  • You should never ever store dry ice in your freezer. This will cause the thermostat to shut the freezer down!
  • Make sure you never leave dry ice in your closed vehicle or in a closed room. You can keep your car windows down if you are using dry ice for transporting any substance.
  • It is very important to dispose of dry ice properly after storage. Simply leave it outside in an open area or in a bucket of water in a well-ventilated area.
  • Never throw out dry ice in your trash can as it can explode in your trash can.
  • Always wear insulated gloves while handling dry ice.
  • Never touch dry ice with bare hands as it can cause long-lasting frostbite.
  • Avoid leaving your dry ice in the cooler longer than it should be.
  • You can purchase dry ice right before you need to use it instead of buying it days before you need it.

Learn about many such interesting topics on doesaz


How Do You Keep Dry Ice From Melting?

Cover The Ice With Newspaper

It will insulate the dry ice and slow down the melting process. You must also cover the dead spaces inside the cooler with newspapers because any air can promote faster sublimation.

How Long Can Dry Ice Last In A Cooler?

24 Hours

Generally speaking, 10 pounds of dry ice will last up to 24 hours in a standard 25-quart cooler—but there are a lot of factors at play. You’ll also want to consider the types of food you’re storing (frozen or refrigerated), the size of your cooler, any ambient conditions and the duration of storage.

Can I Put Dry Ice In My Drink?

Can you put dry ice in a drink? Dry ice is safe for using in cocktails, as long as you avoid swallowing and use gloves and tongs during handling. A 1-inch chunk will settle to the bottom of drinks and cocktails and disappear in about 5 minutes.

What Happens If You Pour Boiling Water On Dry Ice?

The addition of hot water causes the dry ice to turn to a gas more rapidly, and the warm air around the dry ice quickly condenses into a thick fog.

How Long Will 5 Lbs Of Dry Ice Last?

The following table for how long dry ice lasts is based on an average five-pound brick of dry ice that remains whole (not broken into pieces): In a cooler – 18-24 hours. Outdoors – 3-5 hours. In liquid – 15-45 minutes.


In the above post, I’ve discussed everything about how long will dry ice last in detail. Dry ice sublimates and turns into gas as it evaporates. The lifespan of dry ice is only 18 to 24 hours in a cooler and will last about 3 to 5 hours when placed outdoors. In liquid, dry ice will last for up to 45 minutes. You can easily make your dry ice last longer by using a pre-chilled cooler, larger bricks, and keeping water out. Once you know how long does dry ice last, you can use it for Halloween parties and spooky ambiance!

More on this topic

Popular stories