On Mon, 25 May 2015 17:15:15 -0400, Dave Smith
> wrote:

>On 2015-05-25 12:29 PM, Paul M. Cook wrote:
>> > wrote in message
>> ...
>>> On Sun, 24 May 2015 19:07:32 -0700, "Paul M. Cook" >
>>> wrote:
>>>
>>> Plus, when the salt is taken out, what happens to all that salt ?
>>
>> It has commercial applications.
>>
>
>We throw it on roads in the winter. It can also be sold as "sea salt",
> cuz that's what it is.

From pics I have seen, it's really bad for rusting out cars though.