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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > BIAB Brewing > BIAB efficiency without sparging
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Old 05-22-2014, 01:37 AM   #21
DonH
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awesome write up Shack01!

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Old 05-22-2014, 01:52 AM   #22
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Try this calculator, it has served me well lately.
http://www.copycalc.com/bob/BIAB

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Old 05-22-2014, 11:25 PM   #23
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I use a hydrometer. I've tested it and is accurate. I noticed in BeerSmith adjusting equipment is key. I have changed the boil volume to what the the BIAB calculator states recently but have not tried it yet. I think with having the boil volume set at 5.5 instead of 7-8.5 (depending on grain bill) it was giving a higher OG for the recipe in BeerSmith and I was seeing different results live. I will take the info everyone has shared and apply it if I'm still having issues after this next brew day. Thanks for everyone's insight. Mug.


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Old 05-25-2014, 03:28 AM   #24
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H be you considered lowering your mash temp to get more sugars out of the grain? I just did a 15 lb smash and hit 1.058 pre boil of 7.2 gallons and had 71% efficiency for mash and brewhouse. Mash was 145-150F for 75 minutes. 8.5 gallons mash. 7.2 gallons pre boil. 5.5 gallons final volume into the fermenter. I missed my OG by 0.001 for 70% mash efficiency. My research shows 70% for this big of a brew is above and beyond expected but not beyond possible for all grain.

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Old 06-08-2014, 09:48 AM   #25
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I would step mash(multi temp), fine crush, mash in only 5 gal, sparge the other 4 and add beano and amylase. One at a time or all. You should have 80-90 efficiency with biab. Your mad temp pro my higher than your thermometer tells you. Slow into the single infusion temp. The temp keeps rising longer than you realize.


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Old 06-08-2014, 09:49 AM   #26
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Autocorrect. Temperature probably


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