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Old 10-18-2008, 03:00 AM   #1
Bob869007
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Default Sanity check :Brewing first AG

I'm doing my first all grain brew tomorrow. I'm making the same brew that I made last week with the partial mash recipe. I want to see the difference.

I made my mash tun today out of an igloo 5 gallon water cooler. I couldn't find any SS fittings anywhere in town so I went with the kooler kits parts.

The recipe calls for 10.75 pounds of grain total. Single step mash. I will mash in at 1.25 quarts per pound of grain. That puts it at 13.5 quarts for the mash. The sparge will be done with 3 gallons at a rate of 1 gallon every 15 minutes.

Mash temp 153.

fly Sparge 185.

Does all of this sound right?

Thanks guys.

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Old 10-18-2008, 03:05 AM   #2
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looks good, you might want to limit the sparge temp to 170f to avoid getting tannins. if you did a successful partial mash last week you already know the procedure for AG brewing.

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Old 10-18-2008, 03:54 AM   #3
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Before starting the sparge, I would do a mash out to raise the grain bed temperature to the upper 160's. (This increased my efficiency from 75% to 85%).
It also looks as though you need a lot more sparge water (assuming a 5g batch).
To end up with 5g in the fermenter, you will probably need about 6.5g pre-boil.
It looks to me that you are about 1.5g short on the sparge water.
Perhaps somebody else could verify this because I've been over sampling an IPA this evening.

-a.

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