Look, this is a topic that used to generate quite a bit of controversy. In the old days, our grandmothers obviously didn’t give the child water bought in a supermarket, yet it wasn’t a problem. In fact, my grandmother gave me eg artesian water, boiled, of course. Today’s the way to not get tap water until you are a year old, but I think that’s stupid. Of course, not the way it comes out of the tap, but boiled tap water can be given to a newborn if needed. Because breast milk is enough for babies a few days old, supposedly….