Yunn's Tea Comic p.7 (Patreon)

Lots of info in this one! When tea goes bad, it just doesn't taste nearly as good. Often, it isn't dangerous, unless it's a pu'er improperly aged! Make sure to keep your tea in nice containers and keep them away from other smells - tea likes to absorb other aromas. 

(Remember: Click on the photo to bring up the HD version!)