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Home Brew Forums > Home Brewing Beer > General Beer Discussion > Mash Completion
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Old 06-11-2013, 09:58 AM   #11
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You can use Kai's table to check conversion efficiency:



This is theoretical maximum that can be extracted so you don't have to get these numbers, anything above 90-95% is good.

More info:
http://braukaiser.com/wiki/index.php...ion_Efficiency

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Old 06-11-2013, 12:51 PM   #12
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Couple more thoughts -
*Higher gravity mashes usually result in lower efficiency.
*Mash not mixed well - dough balls.
*Channeling of sparge water through grain bed.

In my experience, 1.07's is where I start losing some efficiency compared to what I am used to on lower gravity beers. I routinely get 80% efficiency in the 1.04-1.06 range. As soon as I go for 1.07's though, I tend to start falling short of that same efficiency.

I would test the hydrometer though, just in case.

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Old 06-17-2013, 10:05 AM   #13
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To be honest it's my try at a higher gravity beer. U shouldn't be surprised that I didn't hit my number like I'm used to on my lower gravity beers. This has just caused me to dig deeper into books and ready and try to understand what might have gone wrong along with everyone's advise!

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Old 06-17-2013, 12:07 PM   #14
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It is pretty normal to have lower efficiency with HG beers.

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