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Brew in a bag question (extract recipe conversion)

Posted on 12/8/14 at 2:10 pm
Posted by deltahotel
Massachusetts
Member since Jun 2007
305 posts
Posted on 12/8/14 at 2:10 pm
When converting an extract recipe to all-grain (BIAB), how much 2-row would you use to replace 7 pounds of light DME? I looked online and found a calculation of DME/.6 to get a rough idea, but I am curious to know what other BIAB brewers do. Is the "divide by .6" approach a good way to go?
Posted by Boudreaux35
BR
Member since Sep 2007
21562 posts
Posted on 12/8/14 at 2:21 pm to
There are many factors that go into the conversion. Some people get ridiculously high efficiency with BIAB and some are all over the chart. Best way to figure it out is experiment and tune in your system as you learn. The DME/0.6 is a good starting point. Brew a batch and take a SG reading after your mash, before boiling. Record that for future batches and adjust this batch with some water or DME, depending on whether your SG is higher or lower than expected.
Posted by BottomlandBrew
Member since Aug 2010
27148 posts
Posted on 12/8/14 at 3:33 pm to
I'd go 10 lbs of grain until you know what your efficiency is. Are you ordering grain online already crushed, or going to the LHBS to get your grain?
Posted by rbWarEagle
Member since Nov 2009
49999 posts
Posted on 12/8/14 at 4:02 pm to
Slight hijack, don't want to start a new thread.

Just finishing up my last semester of post-grad and I really want to brew my first beer. Is this brew in a bag a good option for someone like me? I am a bit of a beer snob/perfectionist, so I'll likely be frustrated the first few times anyways. Can anyone give me a good suggestion?
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