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Happydad1689

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I have just finished my first mash in a new mash tun (converted Coleman, former BIAB) I messed up my volumes and my preboil gravity is way low 4 gal @ 1.030. and topping up to 5 gal post boil.

Receipe:

7 lb Marris Otter
3 lb Rye
1lb Rice hulls

Mashed at 150....added to much strike water and didn't realize till I spared....I have a lot of low gravity wort

I either dump it and save my yeast and hops or push ahead and boil it. What do you say?
 

McKnuckle

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...and don't bother topping up, which would defeat the purpose of boiling off. Adjust hop schedule for the smaller volume and just brew a bit less beer.
 
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Happydad1689

Happydad1689

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Thanks for your help. What a disappointing brew day, but I think I may be ok.

I didn't have access to any supplies so I ended up boiling it down and chose to top up with one gallon. In the end the wort in the fermenter is 1.040...so I "think" I should get around 5% :mug:

Now I need to figure out where I went wrong.....
 

boganll

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Did you mash out at 165-170*F?


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Queequeg

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either



Extract (lbs) = (Target GU x target vol(gals)- Pre Boil GUxPre Boil vol(gal))/Extact ppg

GU is gravity units ie 1.055 is 55

or

Final volume =(pre boil vol x pre boil GU)/target GU
 
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