A mash tun is a vessel used to mash your milled grains before the boiling phase. A mash tun can start as simple as your big pot in which you do your boil, it can be a converted cooler box or it can be a pro-style tun with false bottom to catch the grains and sediment as it runs out the through the tap into your boiling kettle.
This is the process of letting the milled grains steep like some kind of tea in a mashing tun in hot water to rehydrate the malted barley and start extracting that most necessary of beer ingredients – the sweet sticky sugary goodness responsible for the flavor, texture, smell and fermenting properties of your beer.
It is important to keep the mash at a specific temperature usually between 60 and 69 degrees Celcius and it is also a good idea to give it a stir once or twice throughout the mash to get as much out of the grain as possible. |
Glossary
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May 2014
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