Old 03-04-19, 01:01 PM
  #20  
Bikesplendor
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If there are glaciers or snow available, that's another option. There are portable distillation devices that would take care of heavy metals and minerals. Also, it's a very different situation when you are ingesting the water for a meal or two or a day or two, vs having it as your everyday supply. We get tiny doses of all kinds of things with no problems. There is arsenic in many foods, for example. In the case of rice, the levels can be concerning if you are eating rice from certain parts of the world (including substantial areas within the US) frequently. If only occasionally, none of it is of concern.
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