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Naisu N1 Ice Maker review: Clear ice

Naisu N1 Ice Maker review: Clear ice

Naisu N1

If you're like me and always had a fascination for clear ice, then you'll love the Naisu N1. It makes clear ice balls, the type you use for whisky highballs. I'm constantly amazed at how clear my ice balls are, though if you don't do it right, it will get some bubbles lines inside the ice.

Quick specs

  • Freezing time: 16 to 24 hours
  • Dishwasher safe
  • Food-grade silicone
  • 65mm cup

Using the Naisu N1 is really simple. You take both halves of the mould, put them together in the vacuum-insulated cup, pour in water, and put it into the fridge. It sounds easy, and it is. After freezing for about 16 to 24 hours, you twist the top of the mould to pull it out of the cup, and voila. Now, while you can leave it longer than a day in the freezer, it will start to freeze at the sides. That will make it really difficult to remove. You'll have to wait a while for the ice to melt so you can twist it out, or pour water at the sides to melt the ice. So it's best if you collect your ice cubes daily for the best experience.

Naisu N1
Credit: Aloysius Low/Can Buy or Not

While it's easy to make clear ice, here are some tricks you'll need to know to get the clearest of ice. I've tested with normal tap water as well as with filtered water, though I have not yet tried with distilled. That's on my list to test, but I don't think it will matter. There's really no difference between normal tap water and filtered water in terms of clarity of the ice. What matters is the speed of the water being poured in. You'll want a smooth flow that isn't too fast so that you are not introducing any air bubbles into the water for when it freezes.

Naisu N1
It's super clear once the outside layer melts away.
Credit: Aloysius Low/Can Buy or Not

I did notice that after a few times, I would get lines and bubbling in my ice no matter what. After checking in with Naisu, it turns out you have to reset the silicone mould by just quickly boiling it in hot water. This will remove any mineral residue from your water that will create bubbles in the ice. You don't have to really boil it though, I managed to use really hot water from the Bbyeol Lynx Tankless Water Purifier to rinse and soak the silicone mould and got clear ice again.

At $53 for one and S$102 for a two-pack, the Naisu N1 makes it easy to make clear ice balls for your whisky, just (slowly) pour water in, put it in the freezer, and wait. You can also use the tumbler as an insulated cup to keep your drinks cool. You honestly can't go wrong. Check out its Kickstarter page here.

See Also
Orico Dual-Bay M.2 NVMe Enclosure

Note: Review unit provided by Naisu.

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Clear ice is really easy

Crowdfund it at Kickstarter

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