Precipitated Chalk (E170) - 50g

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Precipitated Chalk (E170) can be used to reduce the acidity in homebrew wines. If you're making wine at home and it becomes too acidic whilst fermenting then you can add some preci pitated chalk to raise the pH level and reduce the acidity. When used, precipitated chalk may cause the liquid to fizz and possibly foam as there is a gas given off by the chalk as it neutralises some of the acid in the wine. In case it may foam, make sure there is enough room in the vessel to account for the raise in level of the foam. You may need to take some liquid out if you don't have enough room. Show more