Tuesday, August 25, 2009

A Brewers Best Friend!

Hello to all the brew masters of the world! Let me introduce you to your best friend, the Alcohol Hydrometer. An Alcohol Hydrometer is used to measure the strengths of spirits based on the percentage of alcohol by volume at 20° Celcius. This is an uncomplicated instrument made of blown weighted glass. The Alcohol Hydrometer allows brewers to calculate the specific gravity of their alcohol throughout the brewing process, which is of fundamental importance to the final product. Although a Hydrometer is simple enough in theory, however, it requires subtle and careful application to ensure accurate readings. A sample of the spirit is poured into the Hydrometer Jar and stirred with the thermometer. After your sample has settled the Hydrometer is inserted and allowed to float. The temperature reading and Hydrometer reading are taken and the results compared to the chart which will provide the strength in % alcohol by volume. The chart is suitable for all spirits such as, gin, vodka, and whisky whose alcohol content is not obscured by a high level of sugar, caramel, or other solids. VWR and Nalge Nunc are two brands that carry the Alcohol Hydrometer and Hydrometer Jars.

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