I recently got my hands on an adjustable relief valve, which is a very snazzy bit of gear. Basically, you can use it to ferment beer in a keg, without having to worry about the pressure buildup: anything over 15 psi at the most is outgassed, and in fact you can set it to let out anything over 10 or 5 psi if you like. (Mine is attached to a pin lock quick disconnect, and the pressure gauge looks a little different, but it’s basically the same thing.) For fermenting in a keg, this is a massive improvement over doing it with …
Oops (Bretted Kolsch/IPA blend)