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Old 06-11-2012, 10:08 PM   #11
MichaelBrock
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I'm a relative newbie but the variations in efficiency person-to-person always puzzles me. I have the ubiquitous 10g rubbermaid cooler w/ stainless steel tube. 6 gallon batches. My efficiency is pretty consistently at 80% with the LHBS grind. If I grind myself using my Corona mill I'll usually get a few points higher.

Edited to add: batch sparging w/ 2 sparges (empty, then split remaining needed volume into 2 separate sparges)

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Old 06-11-2012, 10:15 PM   #12
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Around 70%, little less on big beers.

Igloo cooler w/ 1/2" copper manifold. Single water addition batch sparge. Grind my own grain with a Maltmill.

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Old 06-11-2012, 10:27 PM   #13
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Rectangular cooler, I add all my sparge water on top of the grain bed when I start runoff. DIffuse it over a wooden spoon so it doesn't disturb the mash. Takes me 5-10 minutes to get the sparge water in. Runoff for an hour. 80% efficiency.

Here is my bargain basement manifold:

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Old 06-11-2012, 10:42 PM   #14
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Quote:
Originally Posted by wailingguitar View Post
Rectangular cooler, I add all my sparge water on top of the grain bed when I start runoff. DIffuse it over a wooden spoon so it doesn't disturb the mash. Takes me 5-10 minutes to get the sparge water in. Runoff for an hour. 80% efficiency.

Here is my bargain basement manifold:
Haven't seen slits/holes facing upwards before...you'll leave more in the tun that way but it really doesn't matter. I'd also think you might get more "junk" in your runoff with gravity working against the openings...how has it worked for you?
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Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!
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Old 06-11-2012, 10:44 PM   #15
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MLT = 48 qt Coleman rectangular cooler with ~10" straight SS hose braid.
Mill = MM 3 2.0, gap set to 0.039".

Single batch sparge (half volume mash+mash-out, half volume sparge): 85-90%
No-sparge (full-volume mash+mash-out): 75%

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Old 06-11-2012, 10:44 PM   #16
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Quote:
Originally Posted by MichaelBrock View Post
I'm a relative newbie but the variations in efficiency person-to-person always puzzles me. I have the ubiquitous 10g rubbermaid cooler w/ stainless steel tube. 6 gallon batches. My efficiency is pretty consistently at 80% with the LHBS grind. If I grind myself using my Corona mill I'll usually get a few points higher.

Edited to add: batch sparging w/ 2 sparges (empty, then split remaining needed volume into 2 separate sparges)
You might want to experiment with NOT doing the 2 separate sparges but rather one large one if you can. Denny has proven that it doesn't make any difference except you're taking more time. I know I went to this method and my efficiency is still great. Essentially I just add sparge water to my mash until the tun is topped-off and then stir, vorlauf, drain, then add as much sparge water as I can, stir, vorlauf, drain until I hit preboil volume.
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Originally Posted by davekippen View Post
Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!
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Old 06-11-2012, 10:45 PM   #17
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I drained really slowly last time and got the higher end of my efficiency, but I had also played around with my crush. I've seen others mention slower draining helped them but still others full-drain.

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Originally Posted by davekippen View Post
Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!
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Old 06-11-2012, 10:49 PM   #18
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Try the hybrid sparge. I was able to get 90% efficiency last time I brewed.

http://www.homebrewtalk.com/f36/hybr...chnique-75454/

Check it out. I went from 60% efficiency to 90.

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Old 06-12-2012, 01:11 AM   #19
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I do a recirculation mash with a direct fire keg mash tun. Domed false bottom. I lauter at about a quart per minute. Fly sparge. Get about 75-80% efficiency. Usually on the higher side of that.

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Old 06-12-2012, 01:46 AM   #20
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84 quart Coleman square cooler with stainless braid, no mash out double batch sparge method, with a 33# grain bill I am getting 72% effeciency in the fermenters.

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