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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > BIAB without the Bag??
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Old 03-24-2013, 10:18 PM   #1
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Default BIAB without the Bag??

I have been watching several BIAB brewers and it appears that t he biggest concern when using that process is damaginng the bag by melting it to the bottom. I have also been watching the Hop Spider builds using the fine mesh and wonder if I constructed a basket of slightly larger mesh and suspended it in the strike water if I could eliminate the need for a bag and have a reusable basket that I could steep and sparge through for a hybrid approach to BIAB? I could also recirc the wort through the basket to insure I get the most efficiency from the grain too. It's just a thought for now, but I will approach the mesh size issue first, then construct a frame work to secure the mesh to. That way if the mesh becomes damaged or proves to be too large or too small all I would have to do is swap the mesh for a different size. So far I am liking the idea, just gotta do some experiments to test the validity of the premise.

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Old 03-24-2013, 10:20 PM   #2
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I think that would basically do the same thing as a kettle with a false bottom.
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Old 03-25-2013, 02:31 AM   #3
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There are quite a few doing exactly this... There is a vendor (arbor fabricating) who makes very nice SS "baskets" that a few people are using. Here is a link to one http://www.homebrewtalk.com/f36/mash...system-399490/
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Old 03-25-2013, 02:52 AM   #4
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Originally Posted by Rbeckett View Post
I have been watching several BIAB brewers and it appears that t he biggest concern when using that process is damaginng the bag by melting it to the bottom.
Wheelchair Bob
Although I'm only 6 batches in to my BIAB career, as far as I can tell I haven't come anywhere near melting the bag to the bottom of the BK. The bag I'm using is probably a bit too big for my kettle so there is definitely excess bag collecting on the bottom, which you would think would increase the chances. I've found that as long as I'm stirring constantly, whilst adding heat with a flame, there's no problem.

The main advantage I can see, for BIAB versus your mesh construction idea, is being able to squeeze the bag to extract every last possible bit of liquid from the grains as one of the methods for gaining higher efficiency, which seems like it might not be an option or at least not as easily done with a mesh basket.
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Old 03-25-2013, 03:19 AM   #5
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its just a metal bag.

but all that fabricating seems to negate the simplicity of BIAB and be more work than building a mash tun.
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Old 03-25-2013, 03:31 AM   #6
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Not being trite, but has anyone actually burnt their BIAB inside the pot? Seems like a lot of worry something that I have not heard of. If you can boil water in a paper cup with a blowtorch on it, I cant see how a mesh bag can burn inside a water bath significantly lower than boiling, even.
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Old 03-25-2013, 04:54 AM   #7
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Amanda and Ogri,
I would like to make a pressure type lid to squeeze the mash when done with the rinses, kind of like a dutch cheese press. Then I can use the spent grain to make bread and dog treats as well as providing inert material for adding to my soil pots for gardening. The fabbing is defeating the simplicity of the Biab method, but I am way more interested in producing tasty and flavorfull brews that demonstrate the true character of the grain bill selection. So I wasn't really looking to simplify the BIAB process, but to improve it and to standardize the results into a repeatable process. Thanks for the links to the mesh supplier also. Since I have a metal fab shop at my home it wont be hard to build or cost much to give it a try.

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Old 03-25-2013, 12:56 PM   #8
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Not being trite, but has anyone actually burnt their BIAB inside the pot? Seems like a lot of worry something that I have not heard of. If you can boil water in a paper cup with a blowtorch on it, I cant see how a mesh bag can burn inside a water bath significantly lower than boiling, even.
Never.
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Old 03-25-2013, 12:59 PM   #9
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After 30 something BIAB's in the last 2 years, I've never burned anything while brewing but I use a stove top with my kettle straddled over 2 burners and not a propane burner.
Still, I'd think you'd almost have to work at it to burn it.
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Old 06-24-2014, 02:22 AM   #10
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Never.
Burnt mine this weekend. Did a 10 gallon batch and forgot to use the false bottom. The extra weight caused it to sag more than usual and touch the bottom. Only burnt a small hole and didn't smell anything when we racked the beers. Hopefully they will taste alright.
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