Girls’ Generation’s Tiffany drinks so much water that she unintentionally became a master at differentiating water brands just by tasting it!

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In the most recent episode of JTBC’s Knowing Bros, Tiffany and Do Kyung Wan made a guest appearance on the show. In order to test Tiffany’s ability to guess different brands of water, they set up five cups of water for her to try.

After taking a sip from each cup, she calmly started to match each cup with a certain water brand.

As a result, she got all five brands correct!

Here are her descriptions of the differences in brand:

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Evian: It’s the most slippery and feels the heaviest when swallowing

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Icis: It’s a bit slippery and has a slight scent towards the end

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Baeksansoo: The after taste feels light

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Samdasoo: It tastes the same regardless of temperature

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Pyeongchangsoo: It tastes the sweetest and gets sweeter the colder it gets

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Watch the full video below!