Being able to measure the alcohol content of a spirit is an important skill for a distiller. If you don’t know the amount of alcohol in your products, you won’t be able to keep your products consistent, and you will undoubtedly run afoul of the tax man.
However, you may not realize that there are more ways to measure alcohol content than ABV and proof. In fact, there are so many different ways to do it, you could devote an entire book to the subject. Sadly, we don’t have that kind of space in a single article, so here are two of the most-common alternative ways to measure alcohol content in the products in the distillery.