You've Been Lied To—Salt Does Not Melt Ice!



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How to Keep Ice from Melting

Three Methods:

Storing ice for a party or an event longer than a few hours can seem like an impossible task, especially if you are running around chatting with your guests and don’t want to have to worry about melting ice. To ensure all your guests’ cocktails stay cool, you should have about 2.3 pounds (1.0 kg) of ice per guest.Keeping your ice from melting midway through the party can be done with the right method and some simple steps.

Steps

Using a Cooler or Ice Bucket

  1. Use a light colored container.Look for a light-colored cooler or ice bucket that is made of reflective material. Light colors absorb less heat, and will help to keep your ice from melting.
    • A cooler or ice bucket made from nylon or Styrofoam will keep the ice cool for at least the day. A plastic container will keep ice cool overnight, as long as it is not placed in direct sunlight. Avoid metal coolers and buckets, as they hold heat and will not keep your ice from melting for a long period of time.
  2. Line the cooler or bucket with aluminum foil.The reflective surface of aluminum foil is scientifically proven to keep ice from melting longer than other materials.Before you put the ice for the party in the cooler or bucket, place one layer of aluminum foil in the container.
  3. Wrap the ice bucket in a towel.If you don’t have access to a good cooler or ice bucket, put the ice in the container and then use a clean towel or blanket to wrap the container. This will keep the ice cold for longer and prevent your ice from melting within the first hour of the party.

Making Larger Ice Cubes

  1. Use boiled water, instead of tap water.Boiling the water before putting them in the ice trays will reduce the number of air bubbles in the ice. This will make the ice last longer and appear more clear and less hazy.
    • If you are using plastic ice trays, let the water cool slightly before pouring it in the trays so you don’t melt the trays.
  2. Pour the boiled water in large ice trays.Go for bigger ice trays to make larger ice cubes, or use a muffin pan to make ice chunks. Pour the boiled water evenly over the tray or pan and place it in the freezer.
    • In fact, crushed ice and small ice cubes melt a lot faster than larger ice cubes and a large block of ice. Large pieces of ice have a reduced surface area, relative to their mass (or density), so they are less exposed to the warm air around them and less prone to melting.
  3. Place a towel in the bucket or container before putting in the ice cubes.This will insulate the ice and keep it cold. You can also use bubble wrap and then a towel in the container to keep the ice insulated and less prone to melting.
    • You should also place a lid over the bucket or container, once it is full of ice, to prevent exposure to air and to keep the ice from melting.

Storing the Ice Properly

  1. Keep the ice in a cool room or area.Choose a cooler spot in the room, by a fan or air conditioner, to keep the ice bucket during the party. Avoid spots in direct sunlight and place your cooler in a shady area under a tree or the covered area of your deck. Don’t put the piping hot macaroni and cheese dish next to the ice cooler or the flaming BBQ plate next to your ice bucket.
    • The ice will absorb heat from the atmosphere around it, so make sure you put it in a spot where it will have minimal to no contact with heat or warmth.
  2. Use frozen ice packs to keep the ice from melting.The ice packs will help to keep the container nice and cold, thereby ensuring your ice doesn’t melt until the end of the party.
    • If you are using a large cooler, you can also use frozen plastic bottles of water or other drinks that are not carbonated, to act as ice packs. Place them among the ice to keep the cooler frosty.
  3. Fill up the ice often.This will ensure there is always fresh ice keeping the container cold and preventing the rest of the ice from getting too warm.
    • If you use a good insulating container and larger ice cubes, you likely will not have to check on the ice very often as it will stay cool on its own.

Community Q&A

Search
  • Question
    Will adding salt to the ice lower the melting point?
    wikiHow Contributor
    Community Answer
    Yes, adding salt to the ice will lower its melting point and make it colder. As the ice block melts, it will get colder because the energy is being used to break the solid state bonds.
    Thanks!
  • Question
    How does the towel keep it cool?
    wikiHow Contributor
    Community Answer
    The towel keeps cold air in and warm air out if you seal it correctly.
    Thanks!
  • Question
    What's the best way to keep an ice cube from melting?
    wikiHow Contributor
    Community Answer
    Encase it in Styrofoam and thick towels. If you want to go full on, slide ice-packs between a Styrofoam box and a the thick towel that it's wrapped in. This should stay cold for several hours, depending on how well sealed the box is, the outside temperature, the quality of the insulation materials, and the size of the ice cube.
    Thanks!
  • Question
    Will the ice melt with the towel in the container?
    wikiHow Contributor
    Community Answer
    Yes, it just won't melt as quickly. The towel will help to keep the cold air in and the warm air out for longer than if you didn't use a towel.
    Thanks!
  • Question
    I'm doing a science project. How can I keep ice cubes from melting?
    wikiHow Contributor
    Community Answer
    Put salt on the ice. It may sound like it won't work, but actually, salt lowers the temperature.
    Thanks!
  • Question
    How does Styrofoam prevent ice from melting?
    wikiHow Contributor
    Community Answer
    Styrofoam is a good insulator, so it keeps its contents at or near their original temperature for a long time.
    Thanks!
  • Question
    What is the best way to keep ice from melting?
    wikiHow Contributor
    Community Answer
    The best way is to keep inside of a freezer. If you don't have one, put it in a closed container with ice bags inside.
    Thanks!
  • Question
    Will adding salt to ice slow down the melt rate?
    wikiHow Contributor
    Community Answer
    Salt actually expedites the melting process.
    Thanks!
  • Question
    How long does ice stay frozen?
    wikiHow Contributor
    Community Answer
    It depends on the temperature of the container or room. Higher temperatures mean the ice will melt faster.
    Thanks!
  • Question
    How did we keep ice before refrigerators became available?
    wikiHow Contributor
    Community Answer
    People would wrap large blocks if ice in sawdust or would keep the ice underground where it was cooler. Ice did not last long and was quite rare in the summer.
    Thanks!
Unanswered Questions
  • What can I do to prevent ice from turning into water if it's uncovered?
  • How can you keep ice from melting without a cooler
  • Would egg crate material placed between the ice and food help?
  • Will adding water to a cooler keep ice from melting?
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Quick Summary

To keep ice from melting, try lining the cooler with aluminum foil or ice packs to further insulate the ice. Also, put a towel in the bottom of the cooler before filling it with ice to prevent air exposure. Then, wrap the whole cooler in another towel to trap the cold air inside. Next, keep the container of ice in a cool, shady spot so that the ice has as little contact with warmth as possible.

Did this summary help you?

Things You'll Need

Using a Cooler or Ice Bucket

  • Good quality cooler or ice bucket
  • Towel or blanket

Making Larger Ice Cubes

  • Kettle or stove top with pans
  • Large ice trays or muffin tins
  • An ice container
  • A towel or bubble wrap

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Sources and Citations

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Date: 06.12.2018, 14:30 / Views: 75253