Doesn’t that have to do with the container?
Yep, the plastic dissolves
So now the salt is full of microplastics? Well, come on in and join the rest.

On salt?

It depolymerizes on water, but salt is extremely hydrophilic and stops that process down.

Table salt has an expiration date from the secant that keeps it as a powder, but the one in the picture doesn’t have it either.