Why Your Bambino Plus Is Making Bubbly Shots (And How to Fix It)
The verdict is in: Bubbly espresso shots are a sign your Bambino Plus is working overtime—and your beans are playing hide-and-seek. If your espresso tastes like a carbonated soda instead of a velvety concentrate, the culprit is likely a combination of frozen beans, improper grinding, or uneven tamping. This isn’t a flaw in your machine—it’s a red flag for your workflow. Frozen beans are a common offender. When coffee is frozen post-roast, ice crystals form inside the bean, altering its structure. Even after thawing, residual moisture can lead to under-extraction, creating a frothy, sour shot. The user’s experiment with thawed…


