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Old 01-23-2013, 04:39 AM   #11
buzzno
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Quote:
Originally Posted by breweringbeaz View Post

For the sparge also
Yep. Fill your ton with your sparge water and stir like crazy again then vourlof.
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Old 01-23-2013, 05:10 AM   #12
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Originally Posted by breweringbeaz
I batch sparge in two parts. The only thing I noticed yesterday was my 1st sparge temps were a little off around 164-166 vs 170ish.
If you mean the mash temp (not the sparge water) that's ok. I usually try to get the grain bed to at least 165 on the first run and close to 170 on the second.
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Old 01-23-2013, 05:34 AM   #13
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Dude how are you going from 175 to 152???

That is a CRAZY drop in temp. I lose 8 degrees after pre-heating my 100 qt mash tun and it was 27 degrees outside.

Losing 23 degrees sounds like your npt preheating you mash tun.

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Old 01-23-2013, 05:50 AM   #14
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Originally Posted by breweringbeaz View Post
Yes I'm preheating the mash tun with adding boiling water for about 10 minutes then draining. Adding my mash water usually around 175 to get to a consistent temperature of around 152 once I add grain. I stir consistently before shutting the lid then stir again at the 20-25 minute mark. I do a valorf then slowly drain usually have about a gallon absorbed into the grain. I then take the collected volume and subtract from the total volume needed for me usually 6.5-7 gallons for a 5.5 gallon batch. I batch sparge in two parts. The only thing I noticed yesterday was my 1st sparge temps were a little off around 164-166 vs 170ish.
You don't need to drain the water. If you need 175 degree strike water, you can preheat the tun with 180 degree water and just let it cool down to 175 before adding grain.
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Old 01-24-2013, 02:09 PM   #15
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As some others have pointed out, your most likely candidate is probably milling, especially if you're not having any trouble with a slow sparge. Try getting a finer grind.

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Old 12-08-2013, 12:20 PM   #16
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Resurrection!

I find that recirculation is very important in batch sparging. Many people might say that it's only necessary to recirculate maybe a quart or so, but I find that recirculating the wort several gallons worth helps. Stirring may also do the same thing, but I kind of like the idea of "fly" sparging while also batch sparging.

My process for batch sparging is like this:

1. drain mash tun.
2. add 1st round of sparge water (I sparge 2 times generally)
3. Mix and stir like crazy for about 2-4 minutes
4. recirculate about 1/2 a gallon by pouring it slowly over the grain bed trying not to disturb the area around where the water drains.
5. repeat about 5 times.
6. drain completely
7. Repeat steps 2-6 with second round of sparge water.

Boil!

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Old 12-08-2013, 02:08 PM   #17
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Are you checking that you have full conversion before you perform the first run off?

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Old 12-08-2013, 02:38 PM   #18
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Just an aside, but mashout is not necessary when batch sparging. The wort will be boiling before any potential problems would manifest. I have been happily sparging with cold water for many years with no measurable negative impact.

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Old 12-08-2013, 05:20 PM   #19
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Quote:
Originally Posted by masonsjax View Post
Just an aside, but mashout is not necessary when batch sparging. The wort will be boiling before any potential problems would manifest. I have been happily sparging with cold water for many years with no measurable negative impact.
This may be the case (I have no idea if there are other reasons to have a mashout), but since I boil on a kitchen stove with 2 burners sparging with mash temperature water helps me get to a boil faster and reduce my brew time significantly.
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