![]() ![]() A hydrometer to read Original Gravity (OG) and Final Gravity (FG) Taking the Original Gravity (determining the sugar content of raw beer) is recommended to each brewer as it compares the sugar content of the before and after product.Īs a winemaker takes a few drops of fresh grape-juice off the vine and squeezes it onto his refractometer (a manual light meter that measures sugar and potential alcohol) so the hydrometer (a long glass tube, to float in raw or finished beer) measures sugar and potential ABV for the brewer. What is Original Gravity and is it Easy to Do? You’ll make a good guess by how much ABV per pound of malt, and degree of attenuation. You can get a very close estimation with experience and some easy calculations. Measuring alcohol content without Original Gravity (OG) is difficult to do precisely. We follow the recipe closely, or not, and go through each step of the process meticulously, or not, and in the end, we enjoy the refreshing goodness of the beer we just made, with care and love, and… How much alcohol does this batch have? This question sticks in the back, or front, of every homebrewer’s mind. Master brewer, Pioneer of Asheville beer, 1997-2006
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