Underletting

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Aleman

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This technique is quite cleaver . . . rather than filling the mash tun with liquor, and then stirring the grain in to make the mash, you put the grain in the mash tun dry, and then let the water in from the outlet of the mash tun. The grain gets wet with very little stirring action which can be a good thing for pale beers as it cuts down on oxidation.

I have never tried the technique, nor seen it done, but I do know that Steve Flack uses it . . . my question is does the malt float on top of the liquor initially?

Given a 15Kg grain bill occupying somewhat close to 30L and 38L of mash liquor, I think my 50L mash tun may struggle to cope if the grain floats a lot (Promash tells me that the Mash volume is 48L so it could be close anyway).

Still it should make for a entertaining video if it all goes T*TS UP :lol:
 
No, it sinks.

I haven't found it work as well as you've described either, there's still a reasonable amount of stirring to be done.
 
Well That was a surprise . .. it worked very well . . . It always amazes me how it is possible in a 50L vessel to put 40L of grain and 36L of water in and it doesn't overflow :wha:

Nice mash, might give it an enthusiastic stir before running off though
 

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