Nice guide. I have tried a couple of sourdoughs but mine nearly always end up with a lot of alcohol (acetone smell, bitter liquid). As OA says, you can just scrape the liquid off the top and feed the sourdough to refresh it, but then the bread I bake has a slight acetoney taste. Suggestion: add a description of the sourdough after each day so people have a rough idea if their sourdough is growing. The photo helps - y…
I think what you describe is natural. Don't worry. As you feed the mother dough from time to time that taste will diminish.