Bottomless Portafilter: Worth the Messy Learning Curve?
Naked portafilters reveal channeling and extraction problems instantly. Learn when to switch, what to expect in your first 50 shots, and if it’s right for you.
espresso troubleshooting
Espresso Channeling: Fix It With One Simple Tamping Routine
Channeling ruins your espresso shot. Learn exactly why it happens and the pre-tamp routine that stops it every time.