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Old 03-13-2011, 01:51 AM   #1
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Default Mash out and batch sparging?

I was thinking today about my batch sparging process and started wondering if I am doing it correctly. For some reason, doubt has entered my mind about my process. Here it is....Assuming a target temp of 152F

1) Mash in with 163F H20, hold for 60 minutes...I know everyones system is different

2) Vorlauf a couple of quarts until clear.

3) Drain 1st runnings

4) Add "x" amount of boiling water to raise grain temp to 170-175ish.

5) Let it sit for 5 minutes.

6) Vorlauf a couple of quarts.

7) Drain 2nd runnings.

8) Add "x" amount of water (approx 175F).

9) Vorlauf

10) Drain final runnings.

That is what I do. Any thoughts? Thanks.

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Old 03-13-2011, 01:54 AM   #2
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When I batch sparge, that's how I do it too.

You don't have to do a mash out when you batch sparge, since you'll be bringing the grain bed up to mash out temps with the first sparge addition so two rounds of batch sparging of approximately equal runnings are ideal.

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Old 03-13-2011, 03:06 AM   #3
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When I batch sparge, that's how I do it too.

You don't have to do a mash out when you batch sparge, since you'll be bringing the grain bed up to mash out temps with the first sparge addition so two rounds of batch sparging of approximately equal runnings are ideal.
Ok, I might be a little confused on the terminology and procedure. What is exactly the mashout? Is it adding hot water to the mash while the original mash water is still in the mash tun? Or is it what I do above after draining the first runnings?
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Old 03-13-2011, 03:09 AM   #4
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Ok, I might be a little confused on the terminology and procedure. What is exactly the mashout? Is it adding hot water to the mash while the original mash water is still in the mash tun? Or is it what I do above after draining the first runnings?
A mashout is usually done at the end of the mash by infusing near boiling water to the MLT to bring the entire mash to 168 degrees. Then, fly sparging (continuous sparging) can begin by slowly draining the MLT while the sparge water trickles in at the same rate. There is no draining of the MLT. Or, if you have a way to heat the MLT, you can just fire it up to mashout temps without adding water until the sparge.

Or, you can mash out the same way, and drain the MLT and do a batch sparge. It's just that a mash out isn't needed for batch sparging, because you're infusing hotter water to bring the entire grainbed up to mashout temps quickly.
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Old 03-13-2011, 03:20 AM   #5
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Thanks Yooper. I never knew that a mashout was adding the very hot water to the mash tun after the 60 minutes but before draining the tun.

I guess if someone does a mash out that they have to make sure that there is enough headspace in the tun after the initial mash for the extra mash out water.

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Old 03-13-2011, 03:23 AM   #6
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Thanks Yooper. I never knew that a mashout was adding the very hot water to the mash tun after the 60 minutes but before draining the tun.

I guess if someone does a mash out that they have to make sure that there is enough headspace in the tun after the initial mash for the extra mash out water.
Yeah, unless they have a way to directly heat the MLT like with a burner!

I don't ever do a mashout with batch sparging.
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Old 06-14-2012, 07:45 PM   #7
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So Yooper: What temperature is your tun at when you are sparging?
If I am mashing at 152 should I be raising my temps when batch sparging?

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Old 06-14-2012, 07:48 PM   #8
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So Yooper: What temperature is your tun at when you are sparging?
If I am mashing at 152 should I be raising my temps when batch sparging?
Ideally, you'd add hot water (190+) for your first round of batch sparging so that your grain bed gets in the 168 range. I've noticed that this seems to maximize my efficiency. But if not, a cooler batch sparge isn't the least bit harmful.
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Old 06-14-2012, 08:12 PM   #9
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I don't mashout when I batch sparge.

If I'm mashing let's say at 152, I usually add my sparge water when it's 170 degrees which gets the grains up to maybe 155 or 160 tops. (Edit: BACK UP to 155 or 160 after draining the first runnings.) I've never sparged higher than that. My efficiency has always been excellent, so I've never bothered to do it any differently.

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Old 06-15-2012, 12:10 AM   #10
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Originally Posted by Yooper View Post
Ideally, you'd add hot water (190+) for your first round of batch sparging so that your grain bed gets in the 168 range. I've noticed that this seems to maximize my efficiency. But if not, a cooler batch sparge isn't the least bit harmful.
Ok.. Thanks... I have always been worried about adding to hot a water for tannin extraction... Always tried to keep additions below 77C (170F) will add hotter water now to raise temperature before mashout..

My efficiency is low (72) aiming for higher and I thing this is affecting it..
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