How to identify wine faults

How do I know if a wine is bad? Should I send this wine back or am I being crazy? This is really a hard topic to study as you have to have verified faults to examine.
Join us to taste through and learn about 3 of the most common faults in wine and when we should send the bottle back. Don't worry, we're going to drink some good wine too!
For $40 per person, you’ll experience:
- 3 different wines with noted winemaking faults
- 3 additional proper wines for comparison
- A full glass of your choice to enjoy