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Old 02-22-2007, 03:59 AM   #1
voodoochild7
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It takes me forever to sparge sometimes close to 2 hours? I fly sparge and find that when I go this slow I get a really great efficiency but the time it takes up sucks I hear it can be done in an hour I tried to speed it up once but got very low gravity. Any suggestions.
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Old 02-22-2007, 04:02 AM   #2
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Quote:
Originally Posted by voodoochild7
Any suggestions.
Batch sparge? I got 75% on my last brew and the sparge time was only about 15 minutes.
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Old 02-22-2007, 04:06 AM   #3
Yuri_Rage
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It should take at least an hour to fly sparge 5 gallons. Slower is better (unless the grain bed is so compacted that it's almost stuck), but two hours for 5 gallons seems a bit excessive. Batch sparging is much faster and easier, and it can yield great results.

I built my rig for fly sparging, so that's what I do. My last batch had about 75% efficiency or so.
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Old 02-22-2007, 04:06 AM   #4
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Quote:
Originally Posted by voodoochild7
It takes me forever to sparge sometimes close to 2 hours? I fly sparge and find that when I go this slow I get a really great efficiency but the time it takes up sucks I hear it can be done in an hour I tried to speed it up once but got very low gravity. Any suggestions.
what kind of sparge arm do you have? It takes mine about an hour at the slowest possible rate. 2 hours seems like an eternity.
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Old 02-22-2007, 04:07 AM   #5
voodoochild7
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If I batch sparge how to I know how much water to use to get my seven gallons I mean I drain all the wort out first correct. Then how much water do I throw in? I don't use a sparge arm I let it trickle in over a cool whip lid
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Old 02-22-2007, 04:10 AM   #6
Walker
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Quote:
Originally Posted by voodoochild7
If I batch sparge how to I know how much water to use to get my seven gallons I mean I drain all the wort out first correct. Then how much water do I throw in? I don't use a sparge arm I let it trickle in over a cool whip lid
Well... once the grain has soaked up water from the initial mash, it's not going to soak up any more in the sparge. SO, whatever you throw in for sparge water will come back out of the tun.

7 - X = sparge water needed, where X == the amount of liquid you got from the initial run off.
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Old 02-22-2007, 04:15 AM   #7
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Quote:
Originally Posted by Walker-san
Batch sparge? I got 75% on my last brew and the sparge time was only about 15 minutes.

truth

but it takes me a bit longer.

 
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Old 02-22-2007, 04:15 AM   #8
Walker
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Quote:
Originally Posted by Chimone
truth

but it takes me a bit longer.
Well.. that was a "drunk" 15 minutes, so it was probably more like 30.
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Old 02-22-2007, 12:11 PM   #9
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I batch sparge too. It probably takes me about 20 to 30 minutes for 7 gallons of pre-boil depending on how long I let the second batch of water steep.

I vorlauf into a 2 quart plastic beer pitcher and have my silicon hose already in my kettle, so I connect the hose to the valve without closing it. As soon as the hose is on, the valve goes wide open and the vorlauf pitcher is gently poured back on top.

I got 83% efficiency last time which I give credit to the Barley Crusher.

Batch Sparging is the way to go.

 
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Old 02-22-2007, 12:23 PM   #10
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Another vote for batch sparging. From the end of the mash, it takes probably 25 - 30 minutes before I'm ready to start the boil. Just add some water to the mash before taking the first runnings, stir, let sit for ten minutes, vorlauf, drain, and repeat once. 79% efficiency last time.

Read this link, it's a great description of the process.
http://www.hbd.org/cascade/dennybrew/

Even if I could squeeze another 5% efficiency by fly sparging, it wouldn't be worth it to me - I'd rather just toss another pound of 2-row in the mash.
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