This is a dupe from last week, I think. A number of the threads here were discussed over there, including the particularly-interesting observation that concent

This is a dupe from last week, I think. A number of the threads here were discussed over there, including the particularly-interesting observation that concentrated salts are not that much of a concern if the (presumably-locally-consumed) water round-trips out via the same physical location, in the form of sewage / grey-water / etc. https://news.ycombinator.com/item?id=37681004 https://news.ycombinator.com/item?id=37681004 https://news.ycombinator.com/item?id=37675831 https://news.ycombinator.com/item?id=37675831