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37524What proof is preservative?

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  • richardt2005
    Nov 2, 2006
      One of the many hats I wear is doing disaster planning for my
      company. We've been talking about water storage - adding a few drops
      of bleach to a gallon of water before putting it on the shelf,
      replacing it every couple of months, etc.

      It occurred to me that alcohol is a terrific preservative. Would 1 or
      2% ABV water keep on the shelf? Or would the concentration have to be
      higher?
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