Can you help me troubleshoot my Americano? It's only sour with fresh coffee but fine with old ones - Page 2

Beginner and pro baristas share tips and tricks for making espresso.
Posts: 287
Joined: 14 years ago

#11: Post by Mike-R »

This is a long shot since you only get the sour taste with fresh coffee but not with old ones, but since you still haven't figure it out.. could it be your water? It's easy enough to check. Pull some straight water from your boiler, let it cool down and then taste it.