The Brew Blog

Best grind size for French press is coarse; cold brew needs extra coarse. Why both methods need coarse grind, and how to dial in each one without sludge.

How to clean a coffee grinder: weekly brush-out, monthly tablet cleaning, and full disassembly routine. Why clean grinders produce noticeably better coffee.

Single dose grinding vs hopper grinding: why single-dosing wins on freshness and consistency, when hopper still works, and what to look for in a grinder.

You bought the bag that promised blueberry and jasmine, and it tasted like... coffee. Here's what's really going on with tasting notes — and how to actually find them.

Uneven extraction makes coffee taste both bitter and sour at once. Here's the physics behind the muddled cup — and how to fix it for good.

Channeling is one of the most common causes of bad espresso and inconsistent pour-over. Here's what it is, how to spot it, and exactly how to fix it.