A while back, reader Joe J. asked
Can you school us on how you nitrogenate your beer? I am upgrading soon, and would love to have some insight.
… to which I reluctantly agreed, because there are few things I dislike more than Imperial pints of dry stout poured on mixed gas. So with my usual battery of caveats (“this is just how I do it and it works for me, but it’s not the only way, YMMV” etc.) let’s dig in.
the beer engine 