Use a toothpick to pull the blue water toward the yellow water. It may take a few tries to get the liquids to join. As soon as the two drops meet, lift the toothpick away and discard it. Do not stir.
So don't discard it ... Over time you'll see your hooch become a darker liquid, which is nothing to be concerned about. Instead, take that as a sign you'll need to do a couple of feedings to ...