In uk.d-i-y, Riz1 wrote:
i live in manchester and the water here is soft. Do i still need to
add salt to my dishwasher and if so is it titrated again water
hardness?

I've lived in the Manchester area for the 25-years-or-so I've been using
a dishwasher, and I've never added salt. There doesn't seem to be any
need. I'm not sure exactly what I should be looking for that might
indicate a need for salt, though.

--
Mike Barnes