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I Just Found Out Why Water Bottles Have Expiration Dates, And I'm Pretty Relieved

Mind = blown.

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If you're anything like me, you sometimes stop and read the plastic water bottles you're drinking out of to find out which exotic glacier it was sourced from, or who drew the pretty mountain scene on the label.

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So, how do they select the date? Turns out, it's pretty arbitrary. For starters, water bottling companies are lazy.

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Just like you or me, water companies would rather mindlessly repeat the same task over and over. Since water is packaged in the same plant as soda and juices, it's just easier for, say, Coca-Cola to label Dasani bottles the same way it would Coke and Sprite bottles instead of having a whole separate process. So whatever expiration date your bottle has on it is the same as bunch of soda and juice bottles that were made on the same day.

And the expiration dates are just one part of a bigger code that all water bottles must have.

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The code also has the date, bottling plant, and other information, juuust in case the bottling companies need to track down any bottles that have been contaminated or printed in error.

So there you have it! And in case you're still a little ~nervous~ about coming down with a case of water bottle poisoning, please relax.

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Yes, bottles can leak chemicals after a while, but it'll only affect the taste of the water, not its potability.