Why Does Water Go Stale Overnight?

Why Does Water Go Stale Overnight?



You’re going to bed, and you take a sip of cool delicious water, and it’s so refreshing. But, when you wake up and take a swig, that water now tastes like bleh. What’s going on here? Watch this SciShow Quick Question to find out!

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Sources:
http://www.chemistry.wustl.edu/~edudev/LabTutorials/Water/PublicWaterSupply/PublicWaterSupply.html
http://www.wired.com/2015/08/big-question-tap-water-go-stale-overnight/
http://www.smithsonianmag.com/smart-news/whats-stale-glass-water-180955926/#3qFa1RQ4heTzzcXQ.99
http://www.epa.gov/your-drinking-water/table-regulated-drinking-water-contaminants#one
http://time.com/3104999/old-water-sick/

Comments

    Mike Page

    (April 15, 2019 - 3:27 pm)

    It doesn't.

    CaramelLeek

    (April 15, 2019 - 3:27 pm)

    The CO2 point makes sense, and I think maybe bacteria can live and multiply in the water if it sits out long enough (provided the water wasn't sterilized/filtered/boiled before hand, or the environment isn't very sanitary)………..but what about plain old perception and rumors? The first time I heard this claim was from my parents, and I would bet 5 dollars that many other people heard it from their parents too. Coupled with "weird taste", and voila, the rumor lives on.

    Cubic Studios

    (April 15, 2019 - 3:27 pm)

    I have never experienced or ever heard of this before

    Apple Islander

    (April 15, 2019 - 3:27 pm)

    Nope, never experienced this. Must be because of the Pure Tasmanian Rainwater I drink.

    sweiland75

    (April 15, 2019 - 3:27 pm)

    "we have a couple of guesses"

    American education.

    Inhuman Filth

    (April 15, 2019 - 3:27 pm)

    Maybe some people just have nasty water to begin with. We dont have this problem where i live

    Cuckoo Phendula

    (April 15, 2019 - 3:27 pm)

    This doesn't explain why previously boiled water that sat overnight tastes better than non-boiled water that sat overnight. I thought this had something to do with bacteria, but I could be very wrong.

    HotelPapa100

    (April 15, 2019 - 3:27 pm)

    I'd claim CO2 / carbonic acid would make water taste fresher. That's the reason we carbonate drinks, after all.

    Shea Goff

    (April 15, 2019 - 3:27 pm)

    This is why you use a water bottle. It won’t go stale because nothing can get through the cap.

    Patrick Kelly

    (April 15, 2019 - 3:27 pm)

    We generally purify water with chloramine not chlorine, and pools with trichloro-s-triazinetrione aka trichloroisocyanuric acid which is again not chlorine. Chlorine is a byproduct of the breakdown of both molecules.

    Paul

    (April 15, 2019 - 3:27 pm)

    Dust from the air is what makes it manky

    Bob S

    (April 15, 2019 - 3:27 pm)

    Fake news

    Myredhulk

    (April 15, 2019 - 3:27 pm)

    I knew I wasn't crazy

    Green Hawk

    (April 15, 2019 - 3:27 pm)

    ShutterShock

    (April 15, 2019 - 3:27 pm)

    I love the taste of stale water.

    Awinterus

    (April 15, 2019 - 3:27 pm)

    Must be the work of an enemy stand!

    annoyed chef

    (April 15, 2019 - 3:27 pm)

    Dude. 1981 rang and want's it's look back.

    MrJujufish

    (April 15, 2019 - 3:27 pm)

    What? Complete nonsense

    Chan Lol

    (April 15, 2019 - 3:27 pm)

    to me it's taste like watermelon

    Thomas Wentworth

    (April 15, 2019 - 3:27 pm)

    Never had this problem…

    Jesus

    (April 15, 2019 - 3:27 pm)

    Why is the narrator a douchebag in a leather coat?

    * *

    (April 15, 2019 - 3:27 pm)

    ChlorEEEne

    Mikey D

    (April 15, 2019 - 3:27 pm)

    Does this guy have ANY scientific education? Or is he just good at reading off a prompter….

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