Shelf life of store bought water

Discussion in 'SHTF/Survival&Disaster Preparedness' started by saltair, Feb 28, 2011.

  1. saltair

    saltair XDTalk 500 Member

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    Anyone know what the shelf life is of water bottles and 1 gallon water jugs?
     
  2. Clinton1621

    Clinton1621 XDTalk 2K Member

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    They have expiration dates....
     
  3. saltair

    saltair XDTalk 500 Member

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    The expiration dates are the last day that the store has to sell them. I was just wondering how long they would still be drinkable. I know that adding 8 drops of household bleach per gallon of water will help to sterilize and make it drinkable. just curious
     
  4. jmichna

    jmichna XDTalk 20K Member Founding Member

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    I earned a degree in Biological Sciences and completed several courses in microbiology way back when... I'm trying to figure out what would spoil inside an unopened bottle of commercially packaged bottled water? I suspect the water's "expiration dates" have more to do with satisfying corporate attorney's concerns rather than actual hazard to the consumer. But I'm always willing to learn, so if anybody can explain, I'm all ears... er, eyes. :shock:
     
  5. Gigantor

    Gigantor XDTalk 3K Member

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  6. ArmyGuy45

    ArmyGuy45 XDTalk 10K Member Founding Member

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    Im thinking the same thing. As long as it stored right it should last a very long time!
     
  7. DanTheEldest

    DanTheEldest XDTalk 10K Member Founding Member

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    I remember reading something a while back claiming that the bacteria count in some bottled waters was actually a good bit higher than the chlorinated water coming out of the tap from a municipal source, but I'm not sure how that translates into long-term storage safety.

    Another thing I've always wondered is if compounds from the plastic bottles leach into the water over time, and if that could have a cumulative effect on your health.
     
  8. KenW.

    KenW. XDTalk 1K Member

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    My feeling is that it is not a "you will die from this if you drink it after" date.
    Its got to be a method of rotating and replacing stock and "protecting yourself from frivolous lawsuit" date for the retailer.
     
  9. saltair

    saltair XDTalk 500 Member

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    I'm thinking the same coming from plastic containers but is it any worse coming from a mouthfull of swimming pool water with all of the added chemicals?
     
  10. Clinton1621

    Clinton1621 XDTalk 2K Member

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    Think of it like a fish tank, bacteria will eventually grow in the water because it isnt a very airtight seal... how unsafe it is, I dont know, but you could simply boil it and it would be fine.
     
  11. Mudinyeri

    Mudinyeri XDTalk 2K Member

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    I keep bottled water in my vehicles with my GHB. Every six months I rotate in new stock and drink the old stock. It hasn't killed me yet.
     
  12. naildriver71

    naildriver71 XDTalk 1K Member

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    Ive been looking into getting a couple food-grade 55 gallon plastic drums. There a couple different products I've seen that's supposed to be able to treat and preserve that amount of water for up to 5 years.
     
  13. jmichna

    jmichna XDTalk 20K Member Founding Member

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    Yeah, I considered that but if there's no nutrients or food source, there's nothing for any invasive bacteria to feed on... they starve. Assuming the container is stored out of light, I don't see a food source.
     
  14. Cromulent Frog

    Cromulent Frog XDTalk 100 Member

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    I'd say for every gallon of water have two tablets or two drops of iodine just to make sure the water is safe to drink. Just remember to way a couple hours before drinking from it!
     
  15. gonzo4gunz

    gonzo4gunz XDTalk 100 Member

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    I buy bottled water in 5 gallon jugs. The owner of the store said that if the water is way up to the top of the container, it will last for over 5 years. Otherwise it goes bad in a few months!
    Hope that helps..
    Rick
     
  16. Clinton1621

    Clinton1621 XDTalk 2K Member

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    Yeah there would only be a limited amount of nutrients to feed the bacteria, I think you would notice some discoloration "floaters" at the bottom if there was any significant amount of bacteria ever present in the water... some bacteria could live back and forth cannibilizing itself as it died until the water became stagnant but again you would probably notice disoloration and could still simply filter it and boil it to sterilize it if it was that bad.
     
  17. AZXD

    AZXD XDTalk 35K Member

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    Buy a purifying filter and don't worry about it.

    Berkey or Sawyer

    And remember, it only takes a few minutes at 165 degrees to pasteurize water ... A container and some plastic will do.
    Bugs dead, but it might look nasty.

    If it's not bottled water, use a P filter on it.
     
  18. fmfdocsci

    fmfdocsci XDTalk 4K Member Founding Member

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    Most bottled water (not mineral water) is treated using UV light and ozone.

    While it is possible for bacteria to survive in the process, the bacteria require nutrients and most require oxygen.

    If kept sealed, the shelf life should be 5-10 yrs.

    The problem will most likely be off-flavors and aroma due to leaching of plasticizers into the water.
     
  19. Sirius1963

    Sirius1963 XDTalk 2K Member

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    There is always something in your water.

    I used to work with Ultrapure water systems, there is a lot more going on in a drop of water than you think. We would start with basic tap water, and clean it to insanely pure levels. The more you take out of water, the more "things" want to get back in it. Tap water has a lot of "bugs" (the industry term for alge, bacteria, etc.) and it's nigh impossible to keep them out for long. We would use PVDF pipe and tanks, nitrogen blanket, ultra smooth walls, assembled in a cleanroom for the final storage, and stuff would still grow in it given enough time.

    Just because you can't see anything in your water, doesn't mean it isn't there!

    The company I worked for had a sister company that made bottled water. The industry standard was 6 months for factory sealed bottled water. (this was late '80's, may be different now) Of course, that's "safe" levels of stuff. If you are dehydrating, drinking dirty water and taking your chances is better than not drinking anything at all.
     
  20. Viper Man

    Viper Man XDTalk Member

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    If it is sealed I would not worry about it. It may taste a little funny after many years but who cares if your thirsty. Think back when you were a kid and swam with all your friends and who else swam in the local creek and/or local public swimming pool and swallowed a gulp of that water laughing or trying to dunk your buddy......and you lived thru it. :p
     

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