Blog — hydrometer

            Of the two scientific instruments most commonly used by home brewers the hydrometer is certainly the least well understood. We all understand thermometers -temperature degrees are a part of everyday life. But what about relative density, specific gravity or degrees Plato? And then there’s that mysterious meniscus!  Using a hydrometer correctly takes much of the guess work out of brewing and is an indispensible measuring tool. This article will explain how -and also when- to use your hydrometer, to really get the most from it! For brewers the hydrometer achieves three simple tasks. It allows...