You might not have paid attention to it because your didn't know about it, but I don't think there are any dishwashers in Belgium that don't use salt, at least for the last twenty years or so.
2) IIRC, that house had a whole house softener.
You might not have paid attention to it because your didn't know about it, but I don't think there are any dishwashers in Belgium that don't use salt, at least for the last twenty years or so.