(Alcohol by Volume)
Alcohol by volume or ABV is a standard measure of how much alcohol is contained in an alcoholic beverage. This can be calculated by taking a hydrometer reading of your beer before and after fermentation using this formula: ABV= 131(Starting Gravity – Final Gravity)
(Int'l Bittering Units)
The International Bittering Units scale provides a measure of bitterness of beer, which is provided by the hops used in the brewing process. Light ales typically have IBU ratings between 10-20 while highly hopped Imperial IPAs can have IBU ratings between 60-100.
(Standard Reference Method)
A scale that brewers use to measure and quantify the color of a beer. The higher the SRM is, the darker the beer.