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    how long can I leave mineral water after opening the bottle before it expires?

    Had a bottle of evian in my room for 2 weeks, have had half but just got back to uni now and thinking shall I drink it!

    37 Comments

    Banned

    they say a week

    but i keep a small bottle by the bed for a sip at night, im sure that one was opened a couple of weeks back, and is still ok

    Lol, it's water.. wtf happens to it?

    Original Poster

    jubbyme;8189314

    they say a weekbut i keep a small bottle by the bed for a sip at night, … they say a weekbut i keep a small bottle by the bed for a sip at night, im sure that one was opened a couple of weeks back, and is still ok



    thanks!

    InfernoZeus;8189323

    Lol, it's water.. wtf happens to it?



    stuff happens to the plastic apparently! (google) lol

    Banned

    InfernoZeus;8189323

    Lol, it's water.. wtf happens to it?



    microbes and other stuff grows in it, tap water is pretty bad, try putting some into a container for a couple of weeks opened and you will see it has white stuff growing in it

    bottled water is done in a very sterile way, so can last longer

    Just pour yourself some tap water. You won’t die from drinking it but the fact that you've already drunk from the bottle two weeks ago isn't very hygienic and I bet it tastes purely of plastic.

    paz2k6;8189332

    stuff happens to the plastic apparently! (google) lol



    It's even worse if it's left in the sun.

    it should be ok,as long as its been covered

    Original Poster

    Matrixblade;8189347

    Just pour yourself some tap water. You won’t die from drinking it but the … Just pour yourself some tap water. You won’t die from drinking it but the fact that you've already drunk from the bottle two weeks ago isn't very hygienic and I bet it tastes purely of plastic.



    I don't know why but the tap water at uni accommodation just doesn't taste right!

    paz2k6;8189360

    I don't know why but the tap water at uni accommodation just doesn't … I don't know why but the tap water at uni accommodation just doesn't taste right!



    Grap yourself a straw and head for the toliet ;-)

    if people can drink there own pee then why not get on with it.

    Banned

    do they not have those water bottle thingys around instead of tap water?

    the tap water is bad as all the old piping has the water sitting around in it, I cant drink plain tapwater either makes me gag

    If it tastes off / looks off / smells off then it probably is.... if it looks tastes and smells ok...then it probably is...


    If you become a human Mr whippy machine from drinking it... I can not be held responsible

    Original Poster

    bellabonkers;8189412

    If it tastes off / looks off / smells off then it probably is.... if it … If it tastes off / looks off / smells off then it probably is.... if it looks tastes and smells ok...then it probably is...If you become a human Mr whippy machine from drinking it... I can not be held responsible



    lol, I just drank it, seemed fine, now lets see what i'm like in the morning in my 9 o'clock lecture!!

    jubbyme;8189397

    do they not have those water bottle thingys around instead of tap … do they not have those water bottle thingys around instead of tap water?the tap water is bad as all the old piping has the water sitting around in it, I cant drink plain tapwater either makes me gag



    Plain tap water? What does normal tap water have relish in it? :-D

    Banned

    DarkKnight;8189465

    Plain tap water? What does normal tap water have relish in it? :-D



    wish it did! :-D

    jubbyme;8189333

    microbes and other stuff grows in it, tap water is pretty bad, try … microbes and other stuff grows in it, tap water is pretty bad, try putting some into a container for a couple of weeks opened and you will see it has white stuff growing in itbottled water is done in a very sterile way, so can last longer



    How come the watercoolers (with bottles) dont stagnate ? :thinking:

    Plastics are the worry.

    Never leave water in the sunlight in plastics. Toxins are carcinogenic.

    Banned

    Monkeybumcheeks;8189557

    How come the watercoolers (with bottles) dont stagnate ? :thinking:



    bottled water is a very controlled environment, sterilised bottles, and the water doesnt contact anything, and in a closed airless system so doesnt get many microbes and stuff in it, so it keeps for like a year unopened

    you notice commercial watercoolers have the bottles upside down, to reduce the amount of exposure to air, just what is needed to let the water out
    but then its open and they expect it to be used quickly

    but fill your own bottle, even as clean as you can be, and it goes rank in less than 1 week, opened or closed.

    Banned

    if youve already drunk from it there will be bacteria from your gob on it......after 2 weeks those bacteria will have multiplied ten fold never mind the water.........it should be tret like every other thing exposed to air and bacteria and consumed within 2-3 days

    apeears googling they say upto 2 weeks before bacteria and algae growth......depends on whats in ur gob i say

    jubbyme;8189594

    bottled water is a very controlled environment, sterilised bottles, and … bottled water is a very controlled environment, sterilised bottles, and the water doesnt contact anything, and in a closed airless system so doesnt get many microbes and stuff in it, so it keeps for like a year unopenedbut fill your own bottle, even as clean as you can be, and it goes rank in less than 1 week, opened or closed.



    Ok, so when the water is being used, it comes out of the bottle and leaves a pocket of air - if thats left for a few weeks, why aint it green ?

    Banned

    Monkeybumcheeks;8189607

    Ok, so when the water is being used, it comes out of the bottle and … Ok, so when the water is being used, it comes out of the bottle and leaves a pocket of air - if thats left for a few weeks, why aint it green ?



    , I think my bottle is 2 weeks and ok, i think its down also to the bottled water being much cleaner and not needing stuff like chlorine as tap water does
    the air seems only part of it,

    im sure people will say tap water is clean etc, but as far as im concerend If it stays cleaner longer, and tastes better, I think it is better
    I used to fill a bottle everyday for carrying water about, but never tasted as good as buying bottled water, which kept for agen unopened and long enough opened

    jubbyme;8189615

    , I think my bottle is 2 weeks and ok, i think its down also to the … , I think my bottle is 2 weeks and ok, i think its down also to the bottled water being much cleaner and not needing stuff like chlorine as tap water doesthe air seems only part of it, im sure people will say tap water is clean etc, but as far as im concerend If it stays cleaner longer, and tastes better, I think it is better



    One of lifes mysteries.....

    @ the OP....... what's Evian spelt backwards ?

    Banned

    Monkeybumcheeks;8189607

    Ok, so when the water is being used, it comes out of the bottle and … Ok, so when the water is being used, it comes out of the bottle and leaves a pocket of air - if thats left for a few weeks, why aint it green ?



    coz its air tight nothing can get in or out til the seal is broken.......

    Some bottled water only carries its bottling date or a 'best by' date. These dates are helpful because the flavor of the water will change over time as it absorbs chemicals from its packaging. The flavor will not necessarily be bad, but it may be noticeable.

    Leaching of chemicals from packaging is a health concern, but as far as toxic chemicals go, you can get exposure to most of those chemicals from freshly bottled water as well as bottled water that has been on the shelf a while. A 'plastic' taste is not necessarily an indicator that the water is bad; absence of an unpleasant flavor does not mean the water is free from contaminants.

    While algae and bacteria will not grow in sealed bottled water, the situation changes once the seal has been broken. You should consume or discard water within 2 weeks after opening it.

    Banned

    its true, 2 weeks is pushing it, and really its a miracle it keeps that long, as pretty much nothing else does, nor does your own water from the tap

    i think they only put the 1 year date on fairly recently to bottled water, like tinned food now has 18 months or so
    they never used to!

    casparwhite;8189627

    coz its air tight nothing can get in or out til the seal is … coz its air tight nothing can get in or out til the seal is broken.......Some bottled water only carries its bottling date or a 'best by' date. These dates are helpful because the flavor of the water will change over time as it absorbs chemicals from its packaging. The flavor will not necessarily be bad, but it may be noticeable.Leaching of chemicals from packaging is a health concern, but as far as toxic chemicals go, you can get exposure to most of those chemicals from freshly bottled water as well as bottled water that has been on the shelf a while. A 'plastic' taste is not necessarily an indicator that the water is bad; absence of an unpleasant flavor does not mean the water is free from contaminants.While algae and bacteria will not grow in sealed bottled water, the situation changes once the seal has been broken. You should consume or discard water within 2 weeks after opening it.



    Thats the bit I cant get my head around......
    If the bottle is "AIR TIGHT" where does the air that replaces the water come from ? :thinking:

    Banned

    Monkeybumcheeks;8189636

    Thats the bit I cant get my head around......If the bottle is "AIR TIGHT" … Thats the bit I cant get my head around......If the bottle is "AIR TIGHT" where does the air that replaces the water come from ? :thinking:



    I dont think they expect containers that have been opened on water coolers to last weeks, its the unopened ones that last ages

    at least its just air that is getting in, not peoples hand bacteria and mouth backwash

    once they are opened no-one should expect 2 weeks for anything, it seems me and the OP are pushing our luck for the sake of science!

    jubbyme;8189639

    I dont think they expect containers that have been opened on water … I dont think they expect containers that have been opened on water coolers to last weeks, its the unopened ones that last agesat least its just air that is getting in, not peoples hand bacteria and mouth backwash once they are opened no-one should expect 2 weeks for anything, it seems me and the OP are pushing our luck for the sake of science!



    I've not heard that for many a year !

    Banned

    Monkeybumcheeks;8189636

    Thats the bit I cant get my head around......If the bottle is "AIR TIGHT" … Thats the bit I cant get my head around......If the bottle is "AIR TIGHT" where does the air that replaces the water come from ? :thinking:


    sealed in a sterilised factory........there is.no oxygen so it cant breathe or microbes cant get in

    Banned

    Monkeybumcheeks;8189641

    I've not heard that for many a year !



    its been many a year since i needed to share my can of quattro with anyone! :-D

    casparwhite;8189646

    sealed in a sterilised factory........there is.no oxygen so it cant … sealed in a sterilised factory........there is.no oxygen so it cant breathe or microbes cant get in



    I'm talking about these.....http://www.homespring.co.uk/images/watercoolers1.jpg the air that replaces the water comes from the external atmosphere, presumably carries germs, dust, microbes and the like.... ?

    Anyway, all too much for my swede..... nodders :w00t:

    Banned

    yes, i see monkeybum, but they at least started out sealed, once they are open and on the machine, it still is probably ok for only as much as 2 weeks
    and i cant spit the water back into the container, so you are safe from my backwash!

    jubbyme;8189652

    yes, i see monkeybum, but they at least started out sealed, once they are … yes, i see monkeybum, but they at least started out sealed, once they are open and on the machine, it still is probably ok for only as much as 2 weeks



    Enough already ! :thumbsup:
    Laters Jubbby :-D

    Banned

    Monkeybumcheeks;8189650

    I'm talking about these..... the air that replaces the water comes from … I'm talking about these..... the air that replaces the water comes from the external atmosphere, presumably carries germs, dust, microbes and the like.... ?Anyway, all too much for my swede..... nodders :w00t:



    yeah it does but the refrigerated ones shoulkd be too cold to harbour bacteria and germs and what not..........although they should really be cleaned on a regular basis weekly i doubt most are tho tbh,its also filtered

    Banned

    Monkeybumcheeks;8189654

    Enough already ! :thumbsup:Laters Jubbby :-D



    goodnight :thumbsup:

    what about the rumour that you shouldn't refill water bottles for the same reasons mentioned above i.e. toxins/carcinogens from the plastic? Cos i keep a few empty bottles at home and refill them for when i play football or go to the gym...

    I've drank water that's been in a bottle for weeks before, lol/

    galactico;8189711

    what about the rumour that you shouldn't refill water bottles for the … what about the rumour that you shouldn't refill water bottles for the same reasons mentioned above i.e. toxins/carcinogens from the plastic? Cos i keep a few empty bottles at home and refill them for when i play football or go to the gym...



    We do that here sometimes but we wash them first before refilling - and we're still alive.

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