Use Hot Water To Make Crystal Clear Ice Cubes

December 24, 2009 at 1:05 am 4 comments

Ice made from cold water looks cloudy because air that is trapped in the water become suspended in the ice. If you boil water before pouring it in the ice cube trays, you release most or all of the air that would otherwise be trapped in the water — making the ice cubes crystal clear.

Crystal clear ice cubes look great when used with designer ice cube trays. For any holiday or event, designer ice cubes are a cool thing to entertain guests and spark conversation.

Ikea has a few designer ice cube trays that you can pickup or Amazon has hundreds available for delivery, including: Christmas Trees and Snowmen, Penguins, Ice Invaders, Peace Signs, Hearts, Homer Simpson, Stewie (Family Guy), Stars, Skull and Crossbones, Butterflies, Dinosaurs …etc.  They even have molds to make Shot Glasses and Stir Sticks out of ice.

Another secret: the ice cube trays can also be used as Jello molds!

Remember, you’ll have to boil water to make it hot because you can’t use hot water from the tap – explained here.

Sources: Illinois Dept Physics

Entry filed under: Around The House, Demystified, Food and Drink, Hacks, ProTips. Tags: , , , , , , , , , , , , , , , .

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4 Comments Add your own

  • 1. nixxi  |  June 4, 2010 at 12:27 pm

    would it be okay to wait until the water cools down a bit to pour the trays?

    • 2. Chad Upton  |  June 4, 2010 at 12:42 pm

      That should work. Let us know if you try it.

  • 3. snypist111  |  June 5, 2010 at 11:06 pm

    thats hot!
    i mean it both literal and slang.
    i wanna try that usually when i get ice cubes theyre all hazy white it would be nice to have clear ones for a change

    check out my blog:

  • 4. Charlotte  |  June 15, 2010 at 2:32 pm

    Yes, you can use ice cube trays to make jello. BUT…..Even Better…You can also make amazing Jello Shots too!!! Lightly spray with Pam if they are plastic. Pour in your favorite jello shot recipe and let set in the fridge or, if you are in a hurry, use the freezer. Dip very briefly in hot water and then pop them out on a plate. Awesome! If you you leave them for too long in the freezer…No Prob. Frozen jello shots are even Better, especially during the SUMMER!


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