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Old 12-20-2008, 12:10 AM   #1
Sep 2008
Posts: 260

Do you do the 2 or 3 step batch sparges like beersmith recommends??

Ya know like it tells you to do 3 X 1.4 gallon sparges, or do you just do one big batch sparge???

I'm guessing the multiple sparges is supposed to increase efficiency?? But obviously doing one is a lot easier.
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Old 12-20-2008, 12:14 AM   #2
Oct 2008
Bass Lake, Ca
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2 batch sparges.
i cannot fit all the water in a 5 gallon tun to do one.

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Old 12-20-2008, 12:26 AM   #3
TwoHeadsBrewing's Avatar
Feb 2008
Chico, CA
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I mash in, let that sit for 60 minutes, then drain. Then fill it up again with the same amount of water, stir and let sit for 10 minutes, then drain. That's pretty well for me.

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Old 12-20-2008, 01:26 AM   #4
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Oct 2005
Oak Grove, Oregon, USA
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I do two sparges. For a typical batch, 1st runnings = 50% of the sugars, 1st sparge 33%, 2nd sparge 16%. I've tried one large sparge and the efficiency is much lower.
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Old 12-20-2008, 01:53 AM   #5
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Sep 2007
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I batch sparge in two even sparges..I believe I get great efficiency..
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Old 12-20-2008, 01:58 AM   #6
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Jan 2007
Cereal City, USA
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extraction calculator
grains in pounds(G) X 36(average points per gallon of grains) / batch size in gallons(g) = maximum efficiency(ME)
OG / ME = brewhouse efficiency

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Old 12-20-2008, 02:20 AM   #7
May 2008
Mayodan, NC
Posts: 389
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I usually do my Mash. (60 min.) Then, I measure the amount of wort that I get from the first runnings after grain absorption.

I subtract that amount from the total amount of wort needed.

Then divide that by two and run two batch sparges of equal amounts. (I got 79% eff. last batch.)

Did that make sense?

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Old 12-21-2008, 02:01 PM   #8
Yambor44's Avatar
Nov 2008
Ocala Florida
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I do 2 also. 10 gallon round mashtun (cooler) so I cannot fit all the water in at once.

Mash one hour
Batch sparge 15-20 minutes
Batch Sparge 15-20 minutes

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Old 12-21-2008, 02:22 PM   #9
Jonnio's Avatar
Dec 2007
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another vote for two equal sparges. I would think at some point beyond 2 you might actually start to hurt efficiency by not having enough water in each sparge to properly rinse the grain.
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Old 12-21-2008, 02:57 PM   #10
FlyGuy's Avatar
Jan 2007
Calgary, Alberta
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I have done it both ways and prefer one big batch sparge, if it will fit in my mash tun. I just like that it is less work, which is the reason I started batch sparging in the first place.

I know others may have had different experience, but I saw no significant efficiency increase when using two batch sparges. The caveat here is that you must do a hot mash-out if you only do one sparge, if you want to keep your efficiency up.

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