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Old 07-14-2010, 02:04 AM   #1
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Default Another effeciency thread :(

I searched but couldn't find the answer, and I think I know the answer, but I'll ask anyway.

Getting ready to do my first AG brew either this weekend or next, and I think I have everything figured out except for how to guesstimate my effeciency to adjust the recipe.

I understand that efficiency is calculated based on the expected fermentables compared to what I actually get out of my mash(got beersmith to do the calcs). However, that assumes that I've done at least 1 mash already, and herein lies my problem. Do I just assume a poor efficiency rate for the first AG and adjust the recipe accordingly. Or is there a common efficiency to use for the first batch until I get a few batches under my belt and have my actual efficiency dialed in.

I'm thinking I'm just gonna have to guess for the first batch and take what I get, but if there are any other suggestions I'd love to hear them

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Old 07-14-2010, 02:21 AM   #2
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You can do it at 75 % which is usualy the rate we have. I dont think you will shoot alot lower this And if its higher just apreciate it

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Old 07-14-2010, 03:01 AM   #3
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+1 on using 75%.

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Old 07-14-2010, 03:04 AM   #4
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This upcoming brew will be your baseline. Can't know your baseline till you've done it, so I would guesstimate 65-70%. Just measure, measure, measure. You could hit 80%, you could hit 50%. Won't know what it'll be till the moment of truth.

Oh, and there is no common efficiency. That's like asking is there a common amount of plaque on a persons teeth--it completely depends. Anyway, take pictures and report back!

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Old 07-14-2010, 05:02 AM   #5
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I see a lot of threads here about getting 65-70% on a first AG attempt, so I'd shoot somehwere in there. I'd also prefer my beer to end up a little bigger than planned as opposed to ending up watery, but that's just me.

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Old 07-14-2010, 01:37 PM   #6
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I disagree with assuming the 65-70% efficiency. That is what I did on my first AG batch and I now have undrinkable watery beer because I actually got about 53% efficiency.

My suggestion is to assume you're only going to get 50-55% efficiency out of your mash. That way, if you do get 65-75% you have a bigger beer, and if you only get 50-55% you at least have a drinkable beer.

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Old 07-14-2010, 01:42 PM   #7
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Na, I think if you assume 65%-70% thats a great start:-) anything below 60% you really need to look at your method of brewing and how accurate your mash temp was:-)

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Old 07-14-2010, 02:25 PM   #8
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Quote:
Originally Posted by ErinWhite View Post
anything below 60% you really need to look at your method of brewing and how accurate your mash temp was:-)
That I don't disagree with, but it's something that the OP might not know (which batch sparge method works best) or be something that will be learned during (mash temp). It's all about knowing your system, and you/me/OP really won't know until we get our hands dirty and do it.
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Old 07-14-2010, 02:35 PM   #9
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Quote:
Originally Posted by ErinWhite View Post
anything below 60% you really need to look at your method of brewing and how accurate your mash temp was:-)
Mash temp isn't going to have anything to do with your efficiency. How well you get the lautering done is what matters.

edit: I understand your dilemma here, OP. I had the same question when I did my first AG. I decided to estimate it at 70%. If I got lower, then I would have a hoppier lower alcohol beer. If I got higher than 70%, then I would have a maltier beer higher alcohol beer. I just tried to make a recipe that would work out well as long as I was in the 65% to 75% range.
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Old 07-14-2010, 03:14 PM   #10
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Thanks for the input. Anyone have any suggestions for recipes for this first round?

I was originally planning on another batch of Yoopers 60 min DFH clone as I've brewed that a couple times with extract now, or would that be a good brew for testing with?

thanks again for all the advice!!

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