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Why Stainless Steel Ice Cubes Are Safe to Use

Why Stainless Steel Ice Cubes Are Safe to Use

I was typing away on my computer on a rainy day, thinking of pouring myself a glass of scotch after work, when a thought jumped into my head. Are stainless steel ice cubes safe to use or are they toxic? I remembered hearing that nickel and iron leaks into food from stainless steel, and that high amounts of iron and nickel are poisonous. So I decided to find my answer to see if stainless steel ice cubes are safe, and what's inside metal ice cubes. Here's what I found.

Stainless steel ice cubes are safe to use if the stainless steel is food grade. Metal ice cubes contain a non-toxic gel in the centre of the cube sealed in by stainless steel. Stainless steel ice cubes have non-toxic gel, some non-toxic gels contain water, glycerol and other food grade chemical elements.

Now that we know metal ice cubes are safe to chill your drink, let's look into a few more answers to common questions about reusable ice cubes.

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are stainless steel ice cubes safe

How to properly use metal reusable ice cubes

Just by reading reviews on metal reusable ice cubes, you may see some people complaining that they didn't work for them. Maybe their drink wasn't chilled, or it didn't stay chilled for long. It's no secret that metal ice cubes simply cannot match the chill of ice cubes, but we can definitely make it a fair competition with the following steps. To get the best experience, here's how you can properly use your metal ice cubes:

  1. Place stainless steel ice cubes in freezer for at least 4-5 hours
  2. Wrap your drinking glass in a damp cloth and place in fridge 30 minutes before desired time to drink (optional but recommended)
  3. Remove glass from fridge and dry exterior completely
  4. Place metal ice cubes in drinking glass, and add liquor of choice
  5. Gently swirl glass in a circular motion for 15-20 seconds to allow the reusable ice cubes to chill the liquor

And that's it! Now you can relax and enjoy yourself with a chilled glass of your liquor of choice with reusable ice cubes.

Interested in learning how to reduce waste in the kitchen? Learn how to cut down on plastic waste from my detailed article on how to cook zero waste!

metal ice cubes

How long metal ice cubes stay cold

One of the first questions that came to my mind when considering purchasing metal ice cubes is how long do metal ice cubes stay cold? To my surprise, I couldn't find the answer to that easily. So I threw myself into the reviews of popular metal ice cubes on amazon and found out how long they'll keep your drink cold.

Metal ice cubes stay cold for 20-30 minutes. Metal ice cubes stay cold for varying time because it depends on how long they were in the freezer to begin with. It's recommended to freeze your metal ice cubes at least 4-5 hours before use.


In conclusion, stainless steel ice cubes that are made from food grade steel are safe to consume. To properly chill your drink with metal ice cubes, you need to freeze them for 4-5 hours before using, and metal ice cubes will keep your drink chilled for 20-30 minutes.

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