The new water softener will accept salt as granules, cubes (like at the rental) or blocks…. I think that’s it in increasing order of cost!!  The user has simply to program in which type it is on the display, as off it goes.

I decided to go with blocks for ease of handling – at least to start with.  I had wondered how they dissolve – the photos below make it clear.  It converts the blocks into cubes !!