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Old 11-14-2012, 02:06 AM   #1
mgortel
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Default Batch Sparge

Brewing my first batch in over a year this Saturday......lost all of my brewing data in a computer crash a while back...and trying to refresh my memory on Batch Sparging.

I seem to remember that I would do a single batch sparge with enough water to bring my total volume up to my calculated preboil volume. However, reading and thinking about it...I seem to remember that I want to stop sparging at a SG of around 1.010....to prevent leaching of tannins.

So....if I do my first draining from my mash..and lets say that gives me 2 gallons....and then I add 4.5 gallons in a batch sparge....and drain all of that for my preboil of 6.5 gallons.....then I really am not controlling or preventing the leaching of tanins.

OR am I confusing fly sparging method with batch sparging with the SG measurements? i.e. no need to worry about SG when batch sparging....

Little help please.....

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Old 11-14-2012, 02:09 AM   #2
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Well here's a little: Charlie sez two quarts of sparge water per pound of grain. He's talking about sprinkling it over the surface continuously though.

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Old 11-14-2012, 02:31 AM   #3
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Pretty sure that is just for fly sparging. I batch sparge up to my preboil volume all the time.

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Old 11-14-2012, 02:44 AM   #4
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Originally Posted by inhousebrew View Post
pretty sure that is just for fly sparging. I batch sparge up to my preboil volume all the time.
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Old 11-14-2012, 02:59 AM   #5
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Quote:
Originally Posted by mgortel View Post
Brewing my first batch in over a year this Saturday......lost all of my brewing data in a computer crash a while back...and trying to refresh my memory on Batch Sparging.

I seem to remember that I would do a single batch sparge with enough water to bring my total volume up to my calculated preboil volume. However, reading and thinking about it...I seem to remember that I want to stop sparging at a SG of around 1.010....to prevent leaching of tannins.

So....if I do my first draining from my mash..and lets say that gives me 2 gallons....and then I add 4.5 gallons in a batch sparge....and drain all of that for my preboil of 6.5 gallons.....then I really am not controlling or preventing the leaching of tanins.

OR am I confusing fly sparging method with batch sparging with the SG measurements? i.e. no need to worry about SG when batch sparging....

Little help please.....
thats how i do it!!
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Old 11-14-2012, 11:40 AM   #6
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Sweet! I guess my memory in my "old age" hasnt gotten so bad after all! I think I will add enough water to my mash at end of mash so that I end up with 2 equal runoffs...i.e. my mash draining and then a single sparge.

Thanks for responses.....its all coming together now.....at least in my head...which is scary.

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Old 11-14-2012, 12:02 PM   #7
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yup, i mash at 1.5 qt per lb.. collect 1st runnings and sparge with what i need to get my pre-boil volume.. sum that need a 90min boil, like pilsner malts n such, remember to add anothe 1/2gal to pre-boil..

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Old 11-14-2012, 12:11 PM   #8
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For a while there I would check the SG at the end of my second sparge, it was always well above 1.010.

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Old 11-14-2012, 12:15 PM   #9
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For a while there I would check the SG at the end of my second sparge, it was always well above 1.010.
Thanks! Thats a good idea...I think I will check my SG from initial drain and from sparge...just out of curiosity.
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