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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > Attenuation seems to always be a little high
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Old 10-14-2008, 03:26 AM   #1
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Default Attenuation seems to always be a little high

This did not concern me for a few brews but it seems to becoming the norm now (well 50%) . Normally 2 to 4 above (Typical FG is in the 1.012 range - Ambers)

I'm doing mini mashes and hitting my OG right on even though I feel the temp control has been a problem (will be oven fixed the next batch)

Would missing the mash temp (normally too high) cause my to have more unfermentable sugars in the wort? is this the problem? .

I've been surprised that the OG is right on but is the problem cropping up in the FG? or is there some hidden thing I'm missing.

I've been doing AHS Kits

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Old 10-14-2008, 03:32 AM   #2
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I would say it is your mash temp. I do believe that a higher mash temp will lead to less fermentable sugars and thus you will end up with a higher FG.

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Old 10-14-2008, 03:33 AM   #3
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Wait...i am getting a bit confused. Are you not fermenting enough or fermenting to much sugar out? Because if your gravity is higher than it should be then your attenuations is to low. Attenuation is the percentage of sugar that the yeasts fermements out of the wort i think. I could just be reading this wrong but it seems like you are not getting enough attenuation.

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so barley is a leaves of hops? or barley is a different plant? and blend with hops? I need that to be cleared thanks..
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Old 10-14-2008, 03:36 AM   #4
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I'm hitting my OG 1.050 but instead of FG being 1.010 it's 1.014ish. I was THINKING I would miss the OG but I'm blowing the FG. If this is true . . . . lesson learned!

You are correct - I did a . . . . double positive :-)

Not ENOUGH Attenuation.

So I'm getting sugars - just not the right ones! makes sense.

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Old 10-14-2008, 03:47 AM   #5
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Originally Posted by Grinder12000 View Post
I'm hitting my OG 1.050 but instead of FG being 1.010 it's 1.014ish. I was THINKING I would miss the OG but I'm blowing the FG. If this is true . . . . lesson learned!

You are correct - I did a . . . . double positive :-)

Not ENOUGH Attenuation.

So I'm getting sugars - just not the right ones! makes sense.
are you pitching enough yeast? kinda the obviuose question but got to start somewhere
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Originally Posted by papabeach1 View Post
so barley is a leaves of hops? or barley is a different plant? and blend with hops? I need that to be cleared thanks..
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Old 10-14-2008, 03:54 AM   #6
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what kind of yeast? What kind of grains are you mashing? Higher temps=more dextrins, lower temps=more fermentables. Try mashing between 149-152F.

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Old 10-14-2008, 04:08 AM   #7
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Has to be the mash temp - yeast starter - no probs there whatever yeast I'm instructed to use. White Labs now but it was Wyeast.

2-row - a mixture of base and specialty.

Electric stove - I'll be putting everything into the oven now at 152. Electric glass top seems to keep on heating for an extra 15 degrees.

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Old 10-14-2008, 02:12 PM   #8
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If your mash temp is too high, you will produce longer chain sugars that do not ferment fully.

All things being equal, a higher mash temperature will end up with a higher FG than a lower mash temperature. It's one more item in the brewer's toolkit to affect body and residual sweetness in a beer.

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Old 10-14-2008, 03:03 PM   #9
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So many pieces to the puzzle - it's why I love brewing so much!

Thanks

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