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Youngs 50g Precipitated Chalk

Precipitated Chalk 50 grams - used to reduce the acidity in your finished wine.
£1.95

Young's 50g Precipitated Chalk

Precipitated Chalk 50 grams - used to reduce the acidity in your finished wine. About 7g per gallon is required to reduce acidity by 1.5 ppt.
Beware - enough space is required in the top of your demijohn to accommodate the foam produced by using chalk.