Recipe No. 30
Recipe provided by Marc from Africa Hops
Lager is beer which has been brewed, conditioned and stored at a low temperature. While cold storage of beer, "lagering", in caves was a common practice throughout the medieval period, bottom-fermenting yeast seems to have emerged as a hybridization in the early fifteenth century.
The term lager comes from the German word for storage “lagerung”, as the beer was stored before drinking, traditionally in the same cool caves it was fermented in. Until the 19th century, the German word “lagerbier” referred to all types of bottom-fermented, cool-conditioned beer in normal strengths. Lagers can be Pale, Amber or Dark but the most common is the Pale lager as it is the most widely consumed and commercially available style of beer.
Laager your friends, light a fire and enjoy all what is Lager.
OG – Original Gravity
A gravity reading taken just prior to yeast being added, or pitched, is referred to as the original gravity (OG). The OG will provide the brewer with a good idea of the potential alcohol percentage for that particular beer.
SG – Specific Gravity
The Specific Gravity is a key measurement in determining when your beer or cider has completed the fermentation process and ready for bottling. The most commonly used tool to measure this is a Hydrometer.
FG – Final Gravity
If the fermentation is finished, the specific gravity is called the final gravity. For example, for a typical strength beer, original gravity (abbreviated OG) could be 1.050 and FG could be 1.010.
IBU – International Bitterness Units
International Bitterness Units are a chemical/instrumental measurement of the number of bittering compounds, specifically isomerized and oxidized alpha acids, polyphenols and a few other select bittering chemicals, that make your beer taste bitter.
EBC – European Brewery Convention
EBC Colour Units is the method established by the European Brewery Convention for assessing the colour of wort or beer.
ABV – Alcohol by volume
ABV is the standard measurement to assess the strength of a particular beer. The higher the ABV, the more alcohol that beer contains. Lighter beers range from 4-4.5% ABV, with percentages getting higher with heavier styles of beer.
PPG – Points per Pound per Gallon.
PPG relates the amount of gravity points, contributed by one pound in one gallon of water. It refers to the overall yield obtained from the mash in terms of the amount of wort collected.
AA – Alpha Acids
Alpha Acids are a compound in hops that add bitterness to a beer. This measurement tells you how much bitterness will be attributed to the beer by a particular hop strain. The AA is typically given as a percentage and can vary based on hop strain and crop year.
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