How to make clear ice at home
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anonymous-user

Original Poster:

80 months

Monday 6th February 2017
quotequote all
I have recently got into cocktail making, and hated the fact that my ice always meant that the cocktail looked like st. I set about learning about ice and how to make it clear at home.

Finally cracked it. I watched and tried nearly all the methods on YouTube, none of which quite worked. So my method uses a combo of a few of them based on my limited understanding of the science behind it. Here is my method:

Materials needed:
Mini cool box like this with the lid removed - Coleman Cool Box - you will need to take the lid off (it pops out if you just gently pull it off).
Silicone ice block tray with a hole drilled in the bottom of each form - I am using an HIC Big Ice block that my sister sent me from America but they are £60 on amazon UK, so I have found this Ice Block Tray which will work. When I say you need a hole in the bottom of each form, you need to get a drill or something which will make a nice neat hole, which water can flow out of. Sounds bizarre but i'll get to it in a bit.
Something to raise the ice tray up about an inch off the bottom of the cool box. I use a small plastic plinth.
Freezer large enough for the small cool box to go in.

Explanation:
In essence what you are trying to achieve is directional freezing of the water, in order for the last part of the water to freeze to be at the bottom of the container. When water freezes, the reason it goes cloudy is that during the last stage of the freezing process, impurities or gas (don't quote me on it as I don't know what it is) get pushed out and have nowhere to go, and therefore make the ice cloudy.

Therefore, if you can make the ice freeze from one direction, and that direction being from the top, the water will freeze leaving the impurities at the bottom of the block, or, unfrozen, leaving you with nice clear ice.

Method:
Remove lid from cool box
Place plinth in bottom of cool box
Place ice tray with holes in on plinth
Fill whole thing with water to the level of the top of the ice tray
Freeze for 24 hours (takes ages)
Remove from freezer
Try to remove keeping the ice surrounding the ice tray for use in highball glasses.

The holes allow the water to carry on freezing and push out the impurities through the holes and out of the forming ice. You will find that often the area underneath the ice blocks has not frozen so careful when removing it as it spills everywhere.

These ice blocks are great for anything like an old fashioned, vieux carré, etc...
My next purchase will be long forms for highball glasses. As said previously, the long pieces of clear ice which surround the ice tray in the cool box when you take it from the freezer are great (if you just run them under the tap to make them thinner) in highball glasses.

I hope it all makes sense!

Results:

In the tray - as you can see, if you are careful you can break the edges off and use them for long drinks.


Will post a few more pics when I find them of the ice in the glass.


kev b

2,756 posts

192 months

Monday 6th February 2017
quotequote all
I have always understood that the way to make clear ice is to use boiled water.

markcoznottz

7,155 posts

250 months

Monday 6th February 2017
quotequote all
Some whiskey drinkers get really obsessed with creating perfectly clear ice balls, takes some effort, and boiling water diesnt make any difference .

anonymous-user

Original Poster:

80 months

Monday 6th February 2017
quotequote all
kev b said:
I have always understood that the way to make clear ice is to use boiled water.
Nope. Tried that!

HTP99

24,879 posts

166 months

Monday 6th February 2017
quotequote all
I was always under the impression that it was hard water that made ice cloudy and imperfect.

anonymous-user

Original Poster:

80 months

Monday 6th February 2017
quotequote all
HTP99 said:
I was always under the impression that it was hard water that made ice cloudy and imperfect.
It has nothing to do with it, I live in a very hard water area.

WindyCommon

3,765 posts

265 months

Monday 6th February 2017
quotequote all
Interesting. Thank you.

Maybe I have misunderstood something, but why do you need the coolbox?

Might an uninsulated container work just as well?

anonymous-user

Original Poster:

80 months

Tuesday 7th February 2017
quotequote all
WindyCommon said:
Interesting. Thank you.

Maybe I have misunderstood something, but why do you need the coolbox?

Might an uninsulated container work just as well?
The coolbox means it freezes only from the top, meaning the stuff that normally makes it white is pushed to the bottom when freezing.

kev b

2,756 posts

192 months

Tuesday 7th February 2017
quotequote all
Sorry the boiled water turned out to be a myth.

This won't help at all but when you see perfectly clear ice cubes in films they use clear plastic instead.

anonymous-user

Original Poster:

80 months

Tuesday 7th February 2017
quotequote all
kev b said:
Sorry the boiled water turned out to be a myth.

This won't help at all but when you see perfectly clear ice cubes in films they use clear plastic instead.
Haha! I never knew that! Well at least now you can have real clear ice in your drinks!

I'm quite sure the whiskey is also apple juice...

DoubleSix

12,432 posts

202 months

Tuesday 7th February 2017
quotequote all
kev b said:
Sorry the boiled water turned out to be a myth.

This won't help at all but when you see perfectly clear ice cubes in films they use clear plastic instead.
And yet I doubt my local cocktail bar are going to this faff...

Hugo a Gogo

23,433 posts

259 months

Tuesday 7th February 2017
quotequote all
markcoznottz said:
Some whiskey drinkers get really obsessed with creating perfectly clear ice balls, takes some effort, and boiling water diesnt make any difference .
other whisky drinkers know that it shouldn't have ice in it

anonymous-user

Original Poster:

80 months

Tuesday 7th February 2017
quotequote all
DoubleSix said:
And yet I doubt my local cocktail bar are going to this faff...
Probably not https://www.icemachinesplus.com/blog/post/how-do-i...

shirt

25,203 posts

227 months

Tuesday 7th February 2017
quotequote all
Having received an amazing shaker for xmas I also looked into this, but cheated slightly and just bought a few of these

http://m.crateandbarrel.com/rabbit-clear-ice-mold/...


anonymous-user

Original Poster:

80 months

Tuesday 7th February 2017
quotequote all
shirt said:
Having received an amazing shaker for xmas I also looked into this, but cheated slightly and just bought a few of these

http://m.crateandbarrel.com/rabbit-clear-ice-mold/...
Well blow me, that is awesome.

Type R Tom

4,284 posts

175 months

Tuesday 7th February 2017
quotequote all
bulldong said:
shirt said:
Having received an amazing shaker for xmas I also looked into this, but cheated slightly and just bought a few of these

http://m.crateandbarrel.com/rabbit-clear-ice-mold/...
Well blow me, that is awesome.
I'm interested in that, I wonder if there is a UK dealer, if not order a load and split the shipping?

Hugo a Gogo

23,433 posts

259 months

Wednesday 8th February 2017
quotequote all
did you read the review?

otherman

2,265 posts

191 months

Wednesday 8th February 2017
quotequote all
Water draws in air as it freezes, and that's the cloudiness. So if you boil the water and then seal it in an air free container, you get clear ice.

TwigtheWonderkid

48,414 posts

176 months

Wednesday 8th February 2017
quotequote all
otherman said:
Water draws in air as it freezes, and that's the cloudiness. So if you boil the water and then seal it in an air free container, you get clear ice.
So boiled water, in a normal ice cube tray, wrapped in clingfilm, should do the trick?

Murph7355

41,349 posts

282 months

Wednesday 8th February 2017
quotequote all
Is there a general "first world problems" thread anywhere? smile