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Copper is known to help kill more bacteria and thus helps additionally purify the water (1) 1: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3067274/ https://ww

Copper is known to help kill more bacteria and thus helps additionally purify the water (1) 1: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3067274/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3067274/

morsch 3y ago
Won't it also kill you if you put something acidic in the bottle? Like water with a spritz of lemon? That's why copper pots have a lining, anyway. https://en.m.wikipedia.org/wiki/Verdigris https://en.m.wikipedia.org/wiki/Verdigris
- voxelghost 3y ago
  Yup, and although correct about coppers antimicrobial effect it only kills bacteria on contact. So I suspect a majority of any bacterial contamination in the water, will never come in close enough contact with the copper walls for it to have any real effect.
  - c00lio 3y ago
    Water bottles, if not cleaned properly with a soap and brush on the inside, will be coated with a bacterial "lawn". Copper prevents that. Lots of bacteria need such a lawn to propagate, only some can multiply without a substrate. So even if the "free" water part won't be desinfected, copper has an overall positive effect on the bacterial content of your drinking water.
    - thorncorona 3y ago
      As someone who washes my (steel) water bottle at most 1x a week, and drinks ~10-14L of water a week, I've never gotten sick from drinking out of my bottle before. You can usually tell if the water in your bottle is going bad / filled w bacteria..
      - kelipso 3y ago
        Same, except I wash it like once in a blue moon lol.
        kitkat_new 3y ago
        I have to at least rub the area where I drink otherwise it will smell within less 2 days
        kelipso 3y ago
        I don't usually touch the bottle with my mouth, so I guess that allows for a bit more leeway.
    - voxelghost 3y ago
      Do you hesitate to drink water from a normal glass or cup as well?
      - c00lio 3y ago
        No. I was just explaining why copper is better in that regard, not that I would personally care that much. I do prefer stainless steel, because it is more robust, dishwasher-safe and cheaper.
      - FalconSensei 3y ago
        normal glass goes into dishwasher after every use. Those water bottles are more of a hassle to clean properly
NovaDudely 3y ago
That actually makes a lot of sense, I did not know that. Thank you!
pvaldes 3y ago
Everybody uses glass for water even if it does not kill bacteria. Shouldn't be the main factor to choose one over other. People must filter their drinking water and remove the pathogens before filling their bottle in any case. If this is not possible, take in mind that your immune system can take care about bacteria. In 99% of the cases after a learning period, local bacteria will stop being a problem. Unless your live in areas with very unsafe water sources or particularly dangerous organisms this shouldn't be a main factor in the choice.

morsch 3y ago

Won't it also kill you if you put something acidic in the bottle? Like water with a spritz of lemon? That's why copper pots have a lining, anyway. https://en.m.wikipedia.org/wiki/Verdigris https://en.m.wikipedia.org/wiki/Verdigris

voxelghost 3y ago
Yup, and although correct about coppers antimicrobial effect it only kills bacteria on contact. So I suspect a majority of any bacterial contamination in the water, will never come in close enough contact with the copper walls for it to have any real effect.
- c00lio 3y ago
  Water bottles, if not cleaned properly with a soap and brush on the inside, will be coated with a bacterial "lawn". Copper prevents that. Lots of bacteria need such a lawn to propagate, only some can multiply without a substrate. So even if the "free" water part won't be desinfected, copper has an overall positive effect on the bacterial content of your drinking water.
  - thorncorona 3y ago
    As someone who washes my (steel) water bottle at most 1x a week, and drinks ~10-14L of water a week, I've never gotten sick from drinking out of my bottle before. You can usually tell if the water in your bottle is going bad / filled w bacteria..
    - kelipso 3y ago
      Same, except I wash it like once in a blue moon lol.
      - kitkat_new 3y ago
        I have to at least rub the area where I drink otherwise it will smell within less 2 days
        kelipso 3y ago
        I don't usually touch the bottle with my mouth, so I guess that allows for a bit more leeway.
  - voxelghost 3y ago
    Do you hesitate to drink water from a normal glass or cup as well?
    - c00lio 3y ago
      No. I was just explaining why copper is better in that regard, not that I would personally care that much. I do prefer stainless steel, because it is more robust, dishwasher-safe and cheaper.
    - FalconSensei 3y ago
      normal glass goes into dishwasher after every use. Those water bottles are more of a hassle to clean properly

NovaDudely 3y ago

That actually makes a lot of sense, I did not know that. Thank you!

pvaldes 3y ago

Everybody uses glass for water even if it does not kill bacteria. Shouldn't be the main factor to choose one over other. People must filter their drinking water and remove the pathogens before filling their bottle in any case. If this is not possible, take in mind that your immune system can take care about bacteria. In 99% of the cases after a learning period, local bacteria will stop being a problem. Unless your live in areas with very unsafe water sources or particularly dangerous organisms this shouldn't be a main factor in the choice.