| http://www.w3.org/ns/prov#value | - Chemicals such as chlorine dioxide can also be an effective in cold weather but it takes them a lot longer to kill organisms because the chemical reaction is slowed by colder temperatures.Most Popular Searchesbackpacking how to keep water filter from freezingwathar filtarwater frezee with purefierShare this:TwitterFacebookGoogleEmailPrint backpacking in cold weather, bacteria, chlorize dioxide, cy
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