Use the standard beer brewing method
Final Volume 22L
Ferment below 20°C and if possible between 10°C and 15°C
OG (Original Gravities) and FG (Final Gravities) are readings for the hydrometer. The FG of a recepie should not be the brewers final goal, only a guide.
ABV (Alcohol by volume) measures the percentage of alcohol contained in each batch