Salty

Many years ago, when I first got CostCo membership I noticed I needed salt. (You can probably tell where this is going.) I was not under the impression that salt would have a best before date, so I got the four pack. Each pack is about 1kg.
Actually salt does seem to go off. It doesn’t go bad but it congeals into a large clump.
I have been finding I need salt lately, but not a big clump of it. (I have one and a half boxes left.)
There is only one question that remains: Will it blend?
Why yes, it will. But I don’t know if I want to breath the “cloud” that comes out when I open the lid.