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CALCIUM SULPHATE (GYPSUM)
A chemical that gives water a permanent hardness. Often called Gypsum or Plaster of Paris.
CARAMEL
See “Burnt Sugar”
CARBON DIOXIDE
TThis is the colourless gas produced during fermentation, caused as the yeast converts the sugar into alcohol.
CASKS
Casks come in many sizes, each having a special name. They are:
Butt = 486 Litres (108 gallons), Puncheon = 324 litres (72 gallons),
Hogshead = 243 litres (54 gallons), Barrel = 162 litres (36 gallons),
Kilderkin = 81 litres (18 gallons), Firkin = 40.5 litres (9 gallons),
Pin = 20.25 litres (4.5 gallons)
CONDITION
The process that gives the beer its sparkle and head. This is achieved in home beermaking by a secondary fermentation in the bottles or barrel.
COPPER FININGS
This is the term for a fining called Irish Moss (a seaweed extract). It gets the name “copper finings” because it is added to the copper container (ie. to the boil after mashing) to help the
beer fall bright and clear.
CRYSTAL MALT
Malt that has been kilned until the sugar has crystalised. To release the sugar from the grain (which gives the beer body. colour and flavour), only hot water is needed.
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