This has confused me as well. I believe that "Merfizie" must be expecting that we would change the Fermentation Profile, or is there another way I have not found to do this?
I copy my recipe into my Log in order to document "batches". If I change the Fermentation Profile I have changed it across all recipes and batches. Unless I want to record a new profile for each batch, and I don't think that is practical, I have no way of recording my actual schedule for each batch. Unless 8) there is another way to record the dates or periods in each fermentation stage.