All that processing sounds expensive, how about the direct approach? https://www.abc.net.au/news/2022-02-09/diabetic-hiker-lost-at-cape-le-grand-drinks-pee-to-s

All that processing sounds expensive, how about the direct approach? https://www.abc.net.au/news/2022-02-09/diabetic-hiker-lost-at-cape-le-grand-drinks-pee-to-survive/100816028 https://www.abc.net.au/news/2022-02-09/diabetic-hiker-lost-a...