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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Still getting a low efficiency
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Old 04-19-2008, 06:32 PM   #1
jacksonbrown
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Default Still getting a low efficiency

Just started my boil on the Nut Brown. My pre-boil efficiency came out to 64%, which is slightly better than the 60% I got on my first AG two weeks ago. At least this time I calculated the recipe for a 62% efficiency, so I'm hitting my numbers in that regard. My mash temp was lower than I expected even with preheating the MLT, putting my grain and MLT temp into Beersmith and hitting my water temp. Rested at about 148 when it should have been 154, I threw in an extra 1/2 gallon of hot water to bring it up, which it did, but I still lost 4 degrees over the 40 remaining min.
Anything else I could focus on to bring my efficiency up to the 70-80% range?

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Old 04-19-2008, 07:22 PM   #2
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Unless your water ph is way off, I would look at your crush. The crush is the single biggest, and easiest, way to fix your problem.

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Old 04-19-2008, 08:01 PM   #3
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+1 on checking your crush. My other sugestion would be check your spage temperature. I overheat my sparge water (to about 180) to make up for heat lost durring sparging.

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