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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22
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13answers
32k views

What can I do with my spent grain after mashing?

After brewing a batch of beer, I always end up with ~14 lbs of spent grain that I usually just toss in a pile in the corner of the yard. Are there better things to do with it (i.e. cooking, baking, ...
4
votes
1answer
263 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.
3
votes
1answer
203 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?
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?
2
votes
3answers
735 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
134 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.
6
votes
2answers
223 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
344 views

How do I do a sour mash?

I might want to do a sour mash, if it's easy. How's it done?
1
vote
2answers
637 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 ...
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
votes
2answers
2k views

Pro Mash Tun design

I was wondering if anyone had a link to a graphic of what the typical profesional mash tun is like. Specifically I was wondering if the majority of professional scaled mash tuns draw from underneath ...
3
votes
6answers
6k 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 ...
4
votes
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?
2
votes
2answers
234 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?
5
votes
6answers
2k views

Can you mash bananas?

I've been thinking about making a wheat-beer with bananas and a little bit of chocolate malt. My question is can you mash bananas in the mash-tun to convert the sugars/starches and get more banana ...
11
votes
5answers
5k 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! ...
3
votes
1answer
224 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
173 views

Cereal Mashing for Adjuncts

What is the step-by-step process for cereal mashing adjuncts? Please include temps and grain to volume ratios.
3
votes
2answers
383 views

Should I include my specialty grains in a mini-mash?

I'm planning to use up all my leftovers from recent batches, augmented with minimal newly-purchased ingredients, to make an oatmeal stout. I know I need to mash the oats, so I picked up a pound of ...
6
votes
1answer
203 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 ...
7
votes
3answers
363 views

Small Space & Apartment Brewing: Mashing

Given the limited space of an apartment, how do you mash in cramped quarters? Do not consider budget to be a factor. This is the second question in a series of discussions about small-space brewing. ...
6
votes
5answers
4k views

How soon after mashing do I need to start my boil?

I'd like to get 2 full boils from 1 mash. Can I keep the 2nd runnings overnight for boiling the following day? If so, what is the best way to store it. In general, how long can wort be kept after ...
4
votes
2answers
532 views

Preventing a Stuck Sparge

What steps pre-mash can be taken to limit the likelihood of a stuck sparge?
4
votes
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 ...
6
votes
4answers
2k views

What makes my mash tun smell like vomit?

If I leave my mash tun unattended for a few days after brewing it smells like a dead animal covered in vomit. What is the name of the bacteria/fungus/other that excretes this smell?