A mixture of water and crushed grains (usually malted) in which enzymes convert complex carbohydrates into simpler sugars that can be utilized by yeast during fermentation.

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204 views

How does the attenuation limit from mash temperature affect yeast attenuation?

Like, for example, if you select a yeast with an average attenuation of 80%, but you mash at 160, which limits attenuation to 76.8%1, would the limit simply be the lower of the limit or the average ...
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2answers
148 views

How to Compensate for Higher than Expected Extraction Efficiency

What is the best way to handle a higher than expected extraction efficiency without compromising the flavor of the beer? If I'm brewing a blonde ale for example, aiming for a 72% extraction ...
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174 views

Effect of Long, High, Decling-Temperature Mash on Wort

Due to time constraints, I need to do a two- to 2-1/2 hour unattended mash, and then return to lauter, etc. I plan to do a single batch sparge. I am looking for a slightly-less fermentable wort for ...
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3answers
156 views

Will Adding an Active Mash to a Non-Active Mash Get Enzyme Activity Started Again?

Background: A friend of mine does ten gallon batches of big beers, so has a lot of grain. After mashing, his technique is to fly sparge with 170 degree water. I understand this shuts-down enzymatic ...
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1answer
55 views

What effect does conversion have on mash temp

We're mashing our second batch (after a year of extract) and seems like we cannot keep the mash temp low enough. We struck at 165F in an attempt to hit 152 for mash (grain was at 65F). We saw a ...
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120 views

Temperature rests for hefeweizen

I have an AG recipe for hefeweizen that I want to try. It is 5 gallons, 9.5 lbs of grain, and I only have a 5 gallon picnic cooler tun. It calls for 3 temp rests and a mash out step. My question ...
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198 views

Mashing raw spelt/dinkel

I just got a hold of some organic raw spelt that I would like to use in a wit instead of flaked wheat. Do I need to gelatinize the spelt? How do I do that? Should the grain be milled at some point? ...
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91 views

Conversion efficiency

What is the typical conversion efficiency during a normal single-rest mash (152 F/67 C, 3 l/kg)? I usually get around 80 %, but Braukaiser claims that it should be close to 100 %. I mash for 60 ...
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320 views

What can I do with the pressed grapes (mash) after getting the juice out?

What can I do with the pressed grapes after getting the juice for making wine? It smells so good. It seems a shame to just throw it all away.
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3k views

What happens when mash temperature is too low?

So yesterday we brew our second beer. As expected, some errors occured during the process, which is alright, we're learning! :) So the main problem is that we were only able to keep the mash ...
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69 views

Is tin safe on the mash?

A friend is building a manifold and the copper connections he bought have a bit of tin (Sn) on it, supposedly to make the solder easier. He is not going to solder them so the tin will remain in ...
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1answer
209 views

Mash Efficiency With Top Off

I just put my second AG batch into the primary, but I ran into an issue I need some help with. When I did my first AG batch, I used water that was treated by a water softener (I know, I know...it was ...
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844 views

overheated the mash by a long shot

I asked before and got some help and have done some reading since. The temp in my mash jumped from 175 to about 195 after I put the lid back on. How much damage did I do? Some things I've read since ...
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1k views

Poor efficiency during first all grain brew, need an fail safe for next brew

For my first all grain brew I bought an octoberfest all grain kit from morebeer. Before brewing with it, however, I decided to try a very cheap smash recipe. I ended up with a very low efficiency ...
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3answers
193 views

Mash process vs specialty grains

Everybody can buy a certain number of specilaty grains and combine them, but in a way it seems to me this way I will do something that someone else can do just replicating my grain choice. On the ...
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3answers
196 views

How do I correct acidity/tartness in a fermented beer?

I just moved to a new state, and brewed a dark beer recipe that I'm fond of-- a weizenbock. However, I believe my water chemistry may have been different enough from my previous location to have ...
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1answer
53 views

How much does hop flavor fade during fermentation?

In the end of my first batch, i thought i had put too many hop because it was 'oily' and the flavor was incredibly strong. But now in the second fermenting day the hops seems to be very distant, ...
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1answer
34 views

Hydrometer measures and possible corrections

In my first batch I was very worried about not being able to end it by not having certaing equipment at the right time. The thing is by following strictly the instructions my hydrometer reading was ...
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1answer
41 views

Step Infusion question

In the most recent Zymurgy, there is a recipe that involves step infusion mash. It's not quite explained how to get the wort off the grain. So I was wondering how a step infusion mash works? I ...
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1answer
105 views

Steeping/Mashing Cara- Grains

I have a smaller (5 gallon) mash tun. I recently mashed 14 lbs and was only able to get a mash to water ratio of 1.2 and filled the tun!. Temp was right on, but I only got 55% efficiency. I have a ...
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1answer
167 views

How should I combine grain and hot water when doughing in [duplicate]

Possible Duplicate: Should the grain or strike water be added to the mash tun first? Should I add water first, then grain? Grain, then water? Both at the same time? I'm worried that ...
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2answers
223 views

barley content in whisky from barley grains [closed]

Of the whiskey in a barrel, what % of it is barley? From what I understand, to make wort only 20% of spent grain is left. This leads to a figure of 80% of the grain dissolved in the wort. After ...