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CALCIUM CARBONATE Another name for precipitated chalk. It is used to reduce excess acids in wine, in particular for reducing oxalic acid from rhubarb wines.
CAMPDEN TABLETS Tablets that contain 0.45g of sodium metabisulphite that release 50 ppm of sulphur dioxide in 4.5 litres of water. They are used as an effective preservative or for sterilising ingredients
before use. They also prevent oxidation and the growth of bacteria, fungi and moulds.
CARBON DIOXIDE This is the colourless gas produced during fermentation, caused as the yeast converts the sugar into alcohol.
CITRIC ACID The main acid in citrus fruits like lemons and oranges, that is needed to provide the acidity vital to most home wines.
COUNTRY WINES Country wines are those made from fruit, vegetables, flowers or cereals (excluding grapes).
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