Mash tun, Rosebank Distillery, Falkirk

Maker
Tom Astbury
Production date
15 Jun 1979
Description
View of a large enclosed copper vessel with sliding doors on the top. The tun was made by R G Abercrombie & Co Ltd.
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Department
Maker
Production date
15 Jun 1979
Subject notes
Dried malt is ground into a coarse flour or grist, which is mixed with hot water in the mash tun. The water is added in three stages and gets hotter at each stage, starting around 67°C and rising to almost boiling point.

The quality of the water is important. The mash is stirred, helping to convert the starches to sugar. After mashing, the sweet sugary liquid is known as wort. The spent grains - the draff - is processed into cattle feed.
Accession number
P05555

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