Using a Refractometer

Refractometers are widely used in the wine and beer industry to measure sugar, but they are less commonly used by homebrewers. However, if used properly a refractometer can be a great tool to measure specific gravity in place of, or to supplement, your hydrometer. It is used primarily in brewing beer to determine the specific gravity readings of wort. BYO’s Technical Editor Ashton Lewis walks through how to use one.