Boiling water doesn't get rid of "unknown chemicals" unless your talking about distilling it, which they don't specifically mention.
" Boiling water doesn't get rid of "unknown chemicals" unless your talking about distilling it "
Seems they don`t even understand the basics,between boiling water to kill bacteria and distilling water to produce pure water devoid of minerals et al.
I still like the idea as a movie. Much like Bladerunner with a sense of realism ,that life remains harsh and you still get dirty.