Because I just finished filling them and that's the water left over, and it's also an easy visual illustration of the process. I'll put it up later when we've drunk that too.
@seSvxR3ull7LHaEZFIjM@Apytele my wife seems to abhor water from the filter / tap and insists on bottled. I at least got her to switch from single use bottles to refillable jugs.