Sulfur

Volatile, fleeting, and polarizing, sulfur compounds are as welcomed in certain forms as they are reviled in others. And with the rise of hop-forward lagers, brewers are targeting their presence or absence with increasing precision.

In this clip from their video course, Dovetail cofounder Hagen Dost explains how they keep sulfur dioxide (SO2) under control, and how they use attenuation to determine when to do a diacetyl rest and when to transfer to lagering tanks.