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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3answers
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Oatmeal stout: Steeping or mash?

Ladies and Gentlemen of Homebrewing, I was cruising my Google+ account, and I am stalking (I mean following/stalking) Wil Wheaton, and I noticed he is a homebrewer! Tonight he posted a question. I ...
1
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3answers
162 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 ...
5
votes
3answers
1k views

How do I do a decoction mash?

I've brewed a number of all grain beers and have been reading a bit about decoction mashing. However the explanations I've read have been a bit complicated. How do I do a decoction mash?
5
votes
3answers
846 views

Does flaked rye need conversion?

I'm looking to make a rye pale ale. Do I need to provide enough base grains to convert the starches in flaked rye or is it capable of self conversion? If it needs conversion, would 6 lbs of 6-row work ...
6
votes
2answers
210 views

Needs to be mashed

I recently had a debate with a brewing buddy of mine about malts that "need to be mashed". For instance victory malt is listed in Palmers "How to Brew" as being in the needs to be mashed column. I ...
4
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2answers
677 views

Undershooting OG in all-grain brewing

My last few all-grain batches have been under the expected OG at least as far as the recipe is concerned. The beers still taste good and all, but I'd like to get my efficiency up. For example, my ...
5
votes
1answer
517 views

Does mash thickness make a difference in any calculations?

I am looking to do my first partial mash and I have been seeing instructions for using a mash thickness anywhere from 1 to 1.5 quarts of water per pound (per 450g). What does the thickness of a mash ...
12
votes
3answers
5k views

What is the point of mashing out?

I know it stops the enzymes from breaking down any more sugar, but is there any other point to it? Will I notice any difference in the final product if I just got straight to sparging? Also, if my ...
6
votes
3answers
663 views

Does a smaller false-bottom affect efficiency?

Last night I picked up a 10-gallon cooler mash tun. It was supposed to come with a 12" false bottom, but the LHBS was out of those. Instead they offered me a 10" false bottom, saying that it would ...
3
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3answers
351 views

Rice Hull pre-prep

I have heard it recommended to pre-rinse rice hulls before putting them in the mash. Mainly because they tend to be so dusty. Is that a good practice?
2
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2answers
245 views

What characteristics should a bucket have to be suitable for a mash tun?

Does it need to have anything special or any food-grade bucket would do?
4
votes
4answers
369 views

What does sour mash do for a sour beer?

I've only recently been introduced to the glory of sour beers, and I love them. As a club, we're going to be brewing a sour beer to be aged in oak for years to come, so I was curious to see some ...
4
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4answers
2k views

Calculating Amout and Temperature of Water For Mashing

how do you calculate the correct amount and temperature of water and to offset the amount and temperature of the grains? Perhaps there is a formula or rule of thumb that I am missing.
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3answers
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When formulating an AG recipe, how do you determine mash thickness?

I just did my first AG brew today. It went very well! My question comes with the mash. I know normally, you determine your mash thickness with 1.25-1.5 quarts per pound of grain. If I were to use, ...
0
votes
1answer
174 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 ...
1
vote
2answers
703 views

What's the minimum mash time?

Listening to an episode of Basic Brewing last night, I heard a guest say that most of the conversion in the mash happens in the first half, and that the mash can thus be cut down as short at 45 ...
3
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4answers
1k views

Effects of Grain Freshness on Brew House Efficiency

Background: My co-brewer (ScottyG) and I recently brewed our first all-grain in a converted Coleman cooler. We have over sixty batches of extract under our belts and have even made a few hard ciders ...
12
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5answers
7k views

Can I skip the mash out replacing it by sparging?

I'm a new homebrewer and have a newbie question: can I skip the mash out time just replacing it by sparging since the water temperature is the same? What kind of things can happen doing this? Thanks! ...
2
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1answer
270 views

Mixing grains before mashing?

Is it important to mix up the different types of grains before they go into the mash tun or is it okay to just dump them in separately?
3
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1answer
209 views

Why should I use a Decoction mash instead of a Single Temperature Infusion mash?

Why should I use a Decoction mash instead of a Single Temperature Infusion mash?
4
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1answer
289 views

Anyone have experience doing a decoction with a pressure cooker?

How were the results compared to a traditional decoction? Any tricks to know about? Edit: For some context, see here.
2
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3answers
804 views

How much strike water can I expect to lose to grain hydration?

Let's say I have a pound of milled barley malt. Let's say American 2-Row, for the sake of specificity. And let's say I have a gallon of warm/hot water that I mix with the grain and let sit for some ...
2
votes
1answer
143 views

Glucan rest necessary

I am brewing all-grain and have in the past always held a glucan rast when mashing. I am trying to speed up my brewing process and that rest of course slows me down quite a bit because of the heating ...
4
votes
2answers
3k views

What are the effects of a watery mash?

What are the effects of having too much water in your mash? If it's too "soupy" or watery or whatnot.
3
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6answers
7k views

Converting your fermentation bucket into a mash tun

Most people use coolers for mash tuns, but living in an apartment myself I can tell that having the least possible equipment is a priority. I know some people use their secondary fermenters as mash ...
6
votes
2answers
225 views

Homebrewing: Decoction Mashing

Many beers, especially German, are produced with a method called decoction mash. In that, the rising of mash temperature is achieved each time by talking a portion of the MASH, boiling it, and adding ...
5
votes
2answers
350 views

How do I do a sour mash?

I might want to do a sour mash, if it's easy. How's it done?
5
votes
2answers
1k views

How do I adjust mash temperature and thickness to add body to a beer?

My most successful brew to date has been Northern Brewer's Scottish 80/- extract kit. It was a dead ringer for Belhaven, but lacked Belhaven's body and mouthfeel, maybe due to the fermentability of ...
4
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2answers
1k views

Using flakes in a mash

Do you just mix them with the grains or cook them first to get them gelatinized? What are the pros and cons of each method? What portion of the fermentables can be in flake form?
3
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1answer
238 views

Grains for Mashing and Grains for Steeping

Does anyone have a list they care to post that lists the "must mash" and "steepable" grains? Might be nice content for the site overall.
4
votes
1answer
175 views

Cereal Mashing for Adjuncts

What is the step-by-step process for cereal mashing adjuncts? Please include temps and grain to volume ratios.
6
votes
1answer
207 views

What is conversion?

While answering another question, about mash temperature, the question about conversion and how long it takes came up. So what is conversion? I think we all know its the process of enzymes converting ...
2
votes
2answers
2k views

Insulating My Mash Tun

I have a pretty typical converted keg mash tun. Over the course of a sixty minute mash it loses 8-10º F. My previous mash tun, a converted cooler would only drop a few degrees and I would like to be ...
5
votes
2answers
592 views

Preventing a Stuck Sparge

What steps pre-mash can be taken to limit the likelihood of a stuck sparge?
4
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3answers
1k views

Cara Pils Dextrine

Want to use Cara Pils-Dextrine in my next brew to add body and aid in head retention. I have not made the jump to all grain yet, and I am doing a partial mash. Will steeping/mini-mashing Cara Pils ...