13 Gallons of water and only 7 and 1/2 gallons of wort - Home Brew Forums

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Old 11-02-2011, 04:05 AM   #1
Feb 2011
Tulsa, OK
Posts: 300
Liked 11 Times on 9 Posts

So I brewed an irish red with some mixed results. The gravity was on target but I just could not get enough wort. I batch sparge and my first sparge i put 6 gallons of water in and only got 3 gallons of wort. The second time I put 7 gallons of water in and got 4 gallons out! I dont understand??? The wort does seem thicker than normal but my gravity was on target? When i took the grain out the bottom of my mashton it was mostly dry? Its not like I have a pool of water in the mashton. Any help would be greatly appreciated!


60 minute sparge at 154* and 10 minute sparge at 170*

All Malt is x2

6 pounds light LME
.75 lb. Carared
.36lbs Special B
.12 lbs Roasted Barley
.5 Corn Sugar
7.5 lbs Brewers malt

Irish Moss
.5oz Northern Brewer
1oz Kent Goldings

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Old 11-02-2011, 02:22 PM   #2
BigB's Avatar
Dec 2009
Shelby Twp, MI
Posts: 1,755
Liked 45 Times on 39 Posts

You have approximately 17 pounds of grain there. I would expect you to lose approximately 2 gallons to grain absorbtion. The other gallon you could be losing to mash tun design... Seems a little high, but not necessarily out of the realm of possibilities. Now you shouldn't lose anything during the sparge because the grain would be fully hydrated. EDIT: Also, I'm making assumptions here because you appear to be confusing the terms "mash" and "sparge." I.e., you state: "60 min sparge at 154..."
I love the sound of an airlock bubbling in the morning. It sounds like.....VICTORY.

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It's now degenerating into nu uh and uh huhs and it no longer serves a point.

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