4th of July Hack: Icy Salt Water Is the Fastest Way to Chill Your Beer

If you need to chill a bunch of warm beer for your Fourth of July party, here's the fastest way to do it. And you can also turn this into a summer science lesson for your KID if you want. That way, you'll look like a good parent AND get to drink.

The best way to chill a beer super-fast involves SALT WATER. If you're a Mythbusters fan, you might know about this. They tested it back in 2005. But Popular Science just did a big article about it too. Here's why it works...

Even without salt, ice water cools down a beer faster than just ice because the water completely surrounds the can. But SALT water works even better because it freezes at a lower temperature. Especially if you use a TON of salt.

Normal water freezes at 32°. But really salty water won't freeze until it's about -5°. Basically, it's because the sodium molecules get in there and prevent the water molecules from forming into crystals.

Now, ice actually melts FASTER in salt water. But don't let that fool you. It's not because the salt is raising the temperature of the ice. It's just converting the ice into salt water that's still the SAME temperature. Right around 32°.

Then if you add even more ice to the mix, the temperature of the water will keep dropping but won't freeze. So you can get it down to something like 25° instead of 35°. And that extra ten degrees is huge.

In normal ice water, it takes about 15 minutes to get your beer down to a perfect 38°. But in really salty ice water, it should only take about five.

SOURCE: Popular Science

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