Huge if true. Come on. No way
Seriously over tamping is more of an issue than under tamping.
Although according to Hedrick and the science guy who was with him you can't really overtamp because of the coffees compression limitation - you can run into trouble however if you're tamping super hard and skew the bed of grounds.
@Chaley started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Huge if true. Come on. No way