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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > First all grain.. Possible disaster
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Old 10-22-2011, 10:11 PM   #1
franklinswheat
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Default First all grain.. Possible disaster

So I completed my first all grain 10 gallon batch yesterday. I used 18 lbs of 2 row and 2 pounds of 40l crystal. My mash temp was higher than I wanted. I was shooting for 153ish and actually ended up at 158. I used 6.5 gallons . I left it for 60 mins then sparged with 10 gallons of water. I didn't measure the gravity until after boil pre-pitching. And my gravity was about 1.031. That seems extremely low to me. I pitched two separate starters into two different buckets each with about 5.5 gallons in each. I actually didnt have a target gravity which I understand is stupid. Just wondering did I use too much sparge water? Where did I go wrong?


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Old 10-22-2011, 10:27 PM   #2
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beer smith came up with 1.054 for a target... but it won't be a disaster, just a little light


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Old 10-22-2011, 10:30 PM   #3
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How was I that far off? Too much sparge water?
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Old 10-22-2011, 10:32 PM   #4
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Did you stir after you added the sparge water?
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Old 10-22-2011, 10:33 PM   #5
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wow....that is wayyyyyy low. you really need to use brewing software freind. google brewtarget
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Old 10-22-2011, 10:38 PM   #6
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Actually I didn't stir after I added the sparge water ? Was I supposed to do that?
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Old 10-22-2011, 10:41 PM   #7
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no...even stirring wouldn't have gotten you 23 extra points...you obviously oversparged. for future reference, even if you take a post boil gravity reading and you are off like this...just keep boiling and concentrate your wort down to the appropriate OG.....yeah, you might lose a few quarts, maybe even a gallon. but if you really want that particular OG, then either you need to start being more efficient with your current grain bill....buy a larger grain bill for the same volume....or just boil off more.
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Old 10-22-2011, 10:41 PM   #8
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or I guess a good number 4 would be to get brewing software so you know how much to sparge
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Old 10-22-2011, 10:45 PM   #9
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It might not have added 23 points but it certainly would have helped get more of the sugars into solution. I would suggest reading this before brewing again. Specifically the section on "No Mash Out Double Batch Sparge" about two thirds of the way down the page.

http://www.suebob.com/index.php?opti...cles&Itemid=66
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Old 10-22-2011, 10:47 PM   #10
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What sparge method did you use? Batch or fly? Did you have a lot of extra wort after your sparge that you got rid of? If you did, then over sparging would be the culprit, if not, then it's most likely your sparging technique. Was your post boil volume right where you wanted it? More? Less? Need more info... Don't worry too much though, most folks don't get the best efficiency on their first run.


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