Wine Porn Novice q: What is this residue? In a bottle of cuvée, just opened. There was some on the cap as well. Smells and tastes fine (to a novice) April 20, 2023 Novice q: What is this residue? In a bottle of cuvée, just opened. There was some on the cap as well. Smells and tastes fine (to a novice)by bonaldain Write A CommentYou must be logged in to post a comment.