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The automatic home coffee maker is a modern and professional product, bringing you and your family delicious cups of coffee with just a few quick steps.
Learn about eternal ice
In the summer, many people have the habit of putting ice in drinks to cool down. However, frozen ice will lose its natural flavor and dilute the drink. However, on the market today there is a type of permanent ice that is being used by many people. In addition to not losing the flavor of the drink, it can also be used many times, even forever. So what is permanent ice, what is it made of and is it safe? Let's find out through the article below.
Table of Contents
- What is eternal ice?
- Advantages of permanent ice compared to regular ice
- Comparison of permanent ice and regular ice
- How to use eternal ice
- Notes when buying eternal stone
What is eternal ice?
Eternal ice or unmelting ice, also known by other names such as Cooling Cubes, Scotch Rochs or Whiskey Stones, was invented in 2007 by Dave Laituri, a designer living in Massachusetts, USA. After its announcement, eternal ice quickly became widely used in the US and European countries.
The non-melting ice cubes have the same shape and size as regular ice cubes, each weighing 70 grams and measuring 25mm x 19mm.
The shell of the non-melting ice cube is made of 304 stainless steel, safe for human health, inside is a cooling gel compound.
Advantages of permanent ice compared to regular ice
- 304 stainless steel material is clean and safe for human health.
- Save water and costs if ice demand is high.
- The eternal ice can maintain a cold temperature of 10 degrees Celsius for 60 minutes, helping your drink to always be cooled at a certain temperature and retain its original flavor. In contrast to regular ice that melts in water, affecting the quality of the drink.
- Just 2 - 4 permanent ice cubes can cool about 1 liter of drink within 5 minutes, so they can be used for most other drinks (juice, soft drinks, coffee, ...) besides Whiskey.
- Eternal ice has the ability to maintain an average cold temperature of 3 - 4 hours, after being cold for 3 hours or more in the refrigerator.
Comparison of permanent ice and regular ice
|
Eternal Stone |
Common stone |
|
|
Aesthetics |
Brings uniqueness to drinks. |
Not much attention. |
|
Keep the flavor |
Keeps the flavor well as it does not dilute and lose the flavor of the drink. |
Watering down dilutes and spoils the flavor of the drink. |
|
Reuse |
Reusable many times. |
Are not. |
|
Safety level |
Made of 304 stainless steel, safe for health. |
Depends on the quality of the water source used to make ice. |
|
Cold retention time |
Average 3 - 4 hours. |
Depending on size and outside temperature but usually only a few minutes. |
|
Other benefits |
Does not create frost in the freezer compartment, helping to prolong the durability of the refrigerator. |
Often causes frost inside the refrigerator, which can affect the durability of the refrigerator. |
How to use eternal ice
Put the unmelted ice cubes in the freezer for about 2 to 4 hours before use.
The amount of ice used depends on different cooling requirements. But with 2 - 4 permanent ice cubes can cool 1 liter of drink after 5 minutes.
The cooling time of permanent ice varies depending on the brand and conditions, but ranges from 40 to 60 minutes. There are some unmelted ice cubes of unknown origin that can only stay cold for about 10 minutes, but products from reputable Japanese and American brands can extend the cooling time to several hours.
After use, simply rinse the permanent stone with clean water for reuse next time.
Notes when buying eternal stone
- Find out which brands of permanent ice are suitable for your needs as they come in different shapes, sizes and cooling times.
- Choose products with clear origin and reputable purchasing address to avoid buying fake or counterfeit goods.
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