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Old 06-15-2012, 06:41 PM   #11
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Originally Posted by Warthaug View Post
Sounds like you did it right - I've not done a big beer in a very long time, but in the past I've always needed 90min to reduce, and collected about 1/3 more than the final volume.

Re-reading your first post, it looks like you're sparge isn't picking up sugars very well. Are you batch or fly-sparging? And have you checked the mill on your grain? Maybe an issue in either the sparge or the grind is causing the low OG?

If you do try it again, keep track of your gravity as you sparge (i.e. if fly sparging check it a few times during the sparge; if batch sparging measure it mid-way through each draining of the MLT). This might give a bit of insight into what is going wrong.

Also, have you compared the clonebrews grain-bill to the grain-bill of a similar style posted here on the forums? If there is a big difference, and both recipes call for a similar OG, you may have uncovered a legitimate flaw in the book.

Bryan
I always buy my grains from the same lhbs and have them crushed there. I don't think they've changed their methods and like I said any other recipe not from the clonebrews book turns out just fine in respect to gravities. If I was off by a couple points I wouldn't be complaining but every time I use this recipe book I'm off by at least 20 points if not more... I don't get it. It makes me loathe trying new recipes put of the book
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Old 06-15-2012, 07:10 PM   #12
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I always buy my grains from the same lhbs and have them crushed there. I don't think they've changed their methods and like I said any other recipe not from the clonebrews book turns out just fine in respect to gravities. If I was off by a couple points I wouldn't be complaining but every time I use this recipe book I'm off by at least 20 points if not more... I don't get it. It makes me loathe trying new recipes put of the book
Have you done a similar recipe from clonebrews verses one of your others? If so, were the grain bills similar?

Bryan
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Old 06-15-2012, 07:14 PM   #13
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Has anyone plugged the recipe into their brewing software to see if the recipe is even correct?

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Old 06-15-2012, 07:35 PM   #14
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Has anyone plugged the recipe into their brewing software to see if the recipe is even correct?
Good idea, although the OP stated it was his third from the book that was off. I've used the recipes several times in the past, and aside from scaling for volume, found the numbers to be correct.

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Old 06-15-2012, 08:00 PM   #15
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Have you done a similar recipe from clonebrews verses one of your others? If so, were the grain bills similar?

Bryan
I haven't, only because I've been trying to brew a ton of different styles.

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Has anyone plugged the recipe into their brewing software to see if the recipe is even correct?
I have beer smith I should try this and see. It won't be easy to do for this recipe however because I don't think maple syrup is one of the additions you can put into beersmith without knowing the exact sugar contents etc.. ( say if I used aunt jemimas vs. some form of grade A amber maple syrup)
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Old 06-15-2012, 08:48 PM   #16
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I haven't, only because I've been trying to brew a ton of different styles.
I've been brewing since 1996, and I'm STILL in the same boat. Why make something old, when you can make something new!

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I have beer smith I should try this and see. It won't be easy to do for this recipe however because I don't think maple syrup is one of the additions you can put into beersmith without knowing the exact sugar contents etc.. ( say if I used aunt jemimas vs. some form of grade A amber maple syrup)
What about one of the older ones you did?

I'm going to check my own notes later tonight; last week I brewed a pale ale out of clonebrews, but scaled upto my size (which included tweaking 2-row to get the right OG). I'm going to double-check the numbers, to see if the amounts are overly different from what I would have got had I simply scaled by volume.

Bryan
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Old 06-16-2012, 02:13 AM   #17
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So I compared the beer I brewed last weekend (Sierra Nevada Pale Ale, pg 157), to what I worked out in beersmith, to a linear scaling from 19L (5US gal) to 23L (5 Imp Gal).

Original Recipe calls for 10.33lb pale malt, .5lb dextrin malt, 4oz 60L crystal
Beersmith scaled: 11.75lbs, .9lb, 6oz
Linear scaled: 12.5lb, 0.6lb, 4.8oz

My recipe didn't match exactly to a linear scaling, but mine actually called for less fermentable grain to hit the desired (theoretical) OG. Moreover, I ended up hitting an OG higher than expected.

I also entered a 19L recipe straight into beersmith (Jenlain Biere de Gaede, pg 75). Entered exactly as in the book gave an estimated OG of 1.067; dead-center on the 1.056-1.068 range stated in the book. That was assuming a 72% total efficiency.

I guess what I'm saying is you either found a recipe that had a glaring error, or something happened during your process.

Out of curiosity, have you brewed any non-clonebrew recipes in between the 3 clonebrew recipes you have done?

Bryan

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Old 06-16-2012, 02:13 AM   #18
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I may be misunderstanding your post, but it appears you were using your preboil SG and comparing it to their postboil OG. If it was 7.5 gallons preboil at 1.045, that would put it around 1.061 OG at 5.5 gallons postboil. Considering you are adding maple syrup, you might be in the right ballpark.

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Old 06-16-2012, 02:26 AM   #19
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I may be misunderstanding your post, but it appears you were using your preboil SG and comparing it to their postboil OG. If it was 7.5 gallons preboil at 1.045, that would put it around 1.061 OG at 5.5 gallons postboil. Considering you are adding maple syrup, you might be in the right ballpark.
the maple syrup was added at 90 minutes of the boil... i checked my "preboil gravity" right at the start of the boil (maybe a few minutes after adding the syrup) which should have put me to around the 1.070ish range, leaving me with an initial SG of 1.083-1.085

but instead my preboil gravity (a few minutes in with the syrup addition) at 1.045... which would have left me with a SG of 1.055-1.060. i pitched with my SG ending up with 1.065 because i dumped in about 0.65 of a lbs of DME with about 20 minutes left in the boil to try and jack up the gravity
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