Certified Specialist of Spirits (CSS) The CSS dives into fermentation chemistry and barrel maturation science that most spirit enthusiasts skip entirely. While general sommelier credentials focus on wine service, this exam demands working knowledge of congener profiles, yeast strain selection, and how proof affects flavor compound extraction during aging? details that separate genuine expertise from casual tasting notes.
| Exam Name | Certified Specialist of Spirits |
| Exam Code | CSS |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
