The Difference Between Cloudy Ice and Clear Ice

Why is some ice cloudy and other ice clear?

Possibly you’ve noticed the ice you make at home in an ice tray or freezer-held ice machine is constantly cloudy and not clear, while the ice in a restaurant or which you buy in bags at the local marketplace are crystal clear. The short reply is by using a Commercial Ice Machine.

How commercial ice makers does it? Are they using 100% pure water from an untouched mountain stream?

No, the facts are, the way you freeze water has just as much regarding ice clarity as the quality of water you are freezing.

Cloudy Ice vs. Clear Ice: What is the Difference and Why?

Both important factors are Purity and Freezing Process

Water Purity For Ice Processing

Tube ice for beveragesThe most apparent basis for ice being muddy is purity. Water with many impurities, including lime, scale, fluoride, calcium, and other particles will necessarily be more cloudy and milky in appearance. This does not automatically mean the ice is less healthy, but it does decrease the crystal clear, clean look of ice cubes.

To increase the clarity of ice, an ice machine water filter is the number one option to remove all of these impurities.

Alternatively, it helps to use highly-distilled water or if you’re making ice at home, you may attempt boiled water once it really is cooled of course.

Freezing Processes

Tube ice SnowkeyMost people presume that cloudy ice is the result of impure and dirty water. This assumption will not be exactly wrong, but they’re leaving out an important part of the equation: freezing systems.

When water freezes, it actually pushes out some of the particles and dissolved oxygen, both of which cause cloudiness. But think about the freezing process in a standard ice tray or typical residential ice machine. In this event, water in the tray or form freezes in the outside-in. The impurities and oxygen are pushed towards the middle and become trapped within the ice cube. Look closely another time you freeze a tray of ice. You will notice the ice in the middle is more overcast in relation to the outside edges and you are able to normally find some air bubbles.

Presuming the water being used is the same, the ice from a commercial ice machine will often be clearer, cube for a cube, than freezer ice because the water is frozen from the inside out. In this case, the impurities and oxygen are pushed outward, eventually being discharged in the ice. Most ice machines use a waterfall process which constructs the ice from one edge of the form to another forcing out all of the impurities.

While there may not be a lot of basic differences between cloudy and clear ice, anyone that want to serve just the finest should seriously consider an ice machine which will create clear ice. There’s nothing wrong with cloudy ice, but clear ice has a premium appearance that enhances the drinking experience.

Tube ice appearanceSnowkey’s ice machines filter salts and impurities during their ice making cycle. These impurities are released as waste by the end of a cycle, and fresh water fills the reservoir to start the procedure again. This creates a tough, powderless ice which is crystal clear, clean and environmentally friendly. The clear feel of ice like tube ice means it’s frequently called “cocktail” or “bash ice”.

Visit our website to learn about our services and products at or call us on 61 1300 423 423 or 61 1300 ICE ICE. You may even visit our shop at 8/93 Pearson Road Yatala QLD 4207.