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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > What is Your Efficiency - batch Spargers
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Old 11-17-2012, 04:41 AM   #11
brewmaster101
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I'm doing a biab method. I use the 5.2 ph treatment, double crush my grains, 90 minute mash, 10 minute mash out with a 7.5 gallon mash. I can't get above 65-70%.
Anybody brew in a bag or all grain and have any suggestions on efficiency increase?


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Old 11-17-2012, 04:53 AM   #12
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I'm at 72%.
I'm going to switch screens to a punched stainless false bottom next.

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Originally Posted by brewmaster101 View Post
I'm doing a biab method. I use the 5.2 ph treatment, double crush my grains, 90 minute mash, 10 minute mash out with a 7.5 gallon mash. I can't get above 65-70%.
Anybody brew in a bag or all grain and have any suggestions on efficiency increase?
It's bad form to hijack somebodies thread, and you should start your own, but...
I question your 90 minute mash.
You don't need to mash for 90, and I never have adjusted my PH (Seattle good neutral water).
Usually it comes down to grain crush... it should be slightly coarser than cornmeal.
I was getting 80% pretty consistently.
Oh, and squeeze the bag... I was only loosing about 1 qt in 12 lbs of grain.


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Old 11-17-2012, 05:02 AM   #13
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It depends on the gravity of the beer. smaller beers I get 80-85%. on big grain bills efficiency drops to high 60's to high 70's. Thats why hydro checks are important, so after brewing a recipe for the first time I can adjust the grain bill to get my intended finish gravity consistently. efficiency can be affected by how fermentable the malt being used. base malts are more fermentable than specialty malts.
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Old 11-17-2012, 05:54 AM   #14
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Second batch using my mill, had 50% white wheat so I had some sparge stoppage, but still hit 78%. Looking forward to doing something more manageable.
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Old 11-17-2012, 09:45 AM   #15
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i average around 72% never gone under 70
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Old 11-17-2012, 12:05 PM   #16
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I get 90% in a 70 qt. Coleman Xtreme with a copper manifold and 0.035" gap setting on my Barley Crusher. I'm pretty consistent with beers ranging from OG 1.040 to 1.090.
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Old 11-17-2012, 01:34 PM   #17
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I hit about 75% on my first all grain using a 10 gallon coleman cooler and 1/2" cpvc manifold. It was a bit bigger beer, Abrasive Ale clone, OG 1.080
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Old 11-17-2012, 11:43 PM   #18
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I usually range between 85-89% 0.035 cursh stirring during the mash every 10 to 15 min. Stirring and recirculating before runing off again aftere each batch addition.
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Old 11-18-2012, 12:02 AM   #19
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if I was setting up a new system I would go with what is typicaly used as the defalt settings on most recipe calculators of 75% and then adjust after aquired data.
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Old 11-18-2012, 12:32 AM   #20
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Mgortel, sorry I meant to start my own thread after reading yours. Didn't mean to post under yours. Again sorry.

To answer your original question I put 70% in beersmith and adjust up or down.

I also bought the refractometer that helps me gauge mash efficiency as I go.

Hope that helps a little. Happy brewing days.


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