An all grain technique of making beer that uses just a single vessel to mash, sparge and boil. During the mash the grain is physically removed via a bag or some other form of retainer.

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About going BIAB

I'm thinking about making the switch to BIAB, primarily as a result of a growing family and increased time constraints. I have a few questions before I make the jump. How long is a typical BIAB brew ...
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4answers
1k views

How do you calculate how much extract to add if you don't hit your target gravity pre-boil?

Planning to do my first all-grain BIAB. If miss my target gravity after mashing, how do I figure out how much extract to add before I start the boil in order to reach that OG? I would imagine ...
6
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5answers
5k views

Brew In A Bag one-gallon batch?

I'd like to try homebrewing, and I've read a great deal about the process, but I will have more time than money (I'm about to graduate from college). It seems like most people buy a lot of equipment ...
6
votes
1answer
234 views

Can BIAB be scaled down to tiny batches?

I just watched a Brewing TV epsiode on brewing-in-a-bag (BIAB). They took 7lb (3.2KG) of grains, and 5 US Gallon (19 Litres) of water. After mashing they had 4 US Gallons (15 Litres) of 1.052 gravity ...
6
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3answers
840 views

Why use a synthetic bag for BIAB?

Everywhere I see conversations about BIAB, people are always referring to nylon or polyester bags. Why can't one use, let's say, a cotton bag, since it will be so thin it won't hold any water?
5
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1answer
570 views

Why is it ok to squeeze a BIAB, but not a grain bag for steeping?

Higher temperature? I have squeezed the bag during BIAB pretty aggressively and haven't extracted any tannins (that I can perceive).
3
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1answer
170 views

Can you brew an all-grains recipe without brewing a full volume

I've been searching online and reading up on all-grains brewing and it seems like most places have indicated that all-grains receipes requires mashing at the full batch size. Ie. If I want to make a ...
3
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2answers
643 views

BIAB efficiency

I have been doing some batch sparging with the Denny Conn method, and it works great! I also wanted to try, in the days that I want a slightly shorter brew day or a smaller experimental recipe, a ...
3
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1answer
183 views

Distance between spigot and bag in BIAB setup with pump

I'm planning on taking the step from extract brewing to all grain with BIAB. My plan is to buy a induction hob, 15 gal kettle and a March pump. Will i need some kind of spacer to keep the bag out ...
3
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3answers
3k views

Brew in a bag (BIAB) material

Where can you buy and what type of material have you made a BIAB with? Specifically: -Name/brand/type of material -Mesh size -Dimensions of raw material and final bag
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2answers
70 views

Does malted wheat absorb as much water as malted barley

I'm in the process of sizing down my 5 gallon brew day to a 3 gallon, no sparge, BIAB (on the stop-top). I took an American Wheat recipe for 5 gallons and scaled it by 3/5. It called for 44% 2-row ...
2
votes
1answer
539 views

Fitering BIAB wort

I have recently started BIAB, and my wort is very cloudy after the boil. Much "cloud material" ends up in the fermentor, since it takes really long to settle and is easily stirred. It mostly looks ...
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1answer
89 views

Risks for health from non food grade stainless steel false bottom

My set up is for electric BIAB (brew in a bag) so I use a false bottom. The problem is that I don't know if the stainless steel I use is food grade or not. Are there any great risks for my health? ...
1
vote
1answer
166 views

Brew in a Bag (BIAB) Recipe Selection

Looking at the various recipe types they seem to break down into three categories: Extract Kit Partial Mash All Grain It seems like Partial Mash and All Grain recipes could both be done using the ...
1
vote
1answer
39 views

Mashing bag problem

I tried for the first time using the BIAB method and ran into a big problem with the mashing bag. I placed all the ingredients (9lbs of different grains) in the mashing bag without thinking of the ...
0
votes
2answers
139 views

Question about hop schedule and BIAB

I've done three brews so far, one with a partial mash, one with only extract and one BIAB. I'm restricted to working with a 10L kettle (a little more than 2.5 gallons). For obvious reasons, this ...