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Old 04-27-2010, 06:03 PM   #1
f4an
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Default BIAB Bag Question

I am going to do my first BIAB and I was wondering if I should buy a fine or coarse bag? Any suggestions.

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Old 04-27-2010, 06:30 PM   #2
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Fine, Swill Voile is the preferred fabric for this.

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Old 04-28-2010, 01:26 PM   #3
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I was able to find one in a home brewing catalog for like 6 bucks. Thanks

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Old 04-28-2010, 01:55 PM   #4
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What catalog? I made my own and have more in it than that. I might buy one or two to have spares in case of blowout.

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Old 04-28-2010, 07:45 PM   #5
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Very fine mesh. Nylon or poly voile is the usual choice. The bag should be big enough that you can put your brew pot in it.

What catalog did you find a bag in?

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Old 04-28-2010, 08:12 PM   #6
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I bought one from northern brewer about a months ago:

7322 Straining Bag - Coarse Mesh 18" x 32" 1 $5.99 $5.99

Just used it last weekend for my first BIAB Full Mash and it worked great. Wort came out perfectly clear, I did a vorlauf, but wouldn't have had to.

I used a modified BIAB - I made a temporary MLT out of a 5 gallon igloo cooler:replaced the little spring valve with a ball valve, Lined the cooler with the mesh bag. The only minor snag was I had to pull the bag up little bit and wiggle it to get it to start flowing when I opened the valve.

12.5 grain, single fission, batch sparge, and managed about a 65% eff. - not to bad for a first attempt at full mash

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Old 04-28-2010, 08:23 PM   #7
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I have read on several places that you want to avoid nylon, as it will become somewhat "stretchy" when hot. Anybody know of where to buy a bag big enough to do 10gal batches in a keggle?

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Old 04-28-2010, 09:13 PM   #8
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Quote:
Originally Posted by emissary View Post
I have read on several places that you want to avoid nylon, as it will become somewhat "stretchy" when hot. Anybody know of where to buy a bag big enough to do 10gal batches in a keggle?
the nylon bag wont get stretchy. use two large bags for 10 gallons, its easier
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Old 04-30-2010, 01:30 PM   #9
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midwestsupplies.com is where I ordered my bag

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Old 05-01-2010, 06:59 PM   #10
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Go to a hardware store and buy a paint strainer bag - i use this all the time and it works great. It also costs half as much as the "specially made for brewing bags" and it is pretty much the exact same thing.

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