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Old 12-25-2009, 08:39 PM   #1
Wino24
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Default Amylase enzyme

Can anyone tell me the "proper" way to use amylase enzyme? I saw a recipe where the OP stated he used amylase in the secondary to dry out the beer and I saw another post where someone stated to NEVER use it in the secondary. I brewed a light beer and I am looking to dry it out a bit more and thought that using the amylse in the secondary was the answer, but now I'm not so sure. Thoughts....comments?
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Old 12-25-2009, 11:16 PM   #2
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I am trying some currently. There is not a lot of info and it is kind of a test for me.

I had two recent batches that finished a little higher than I would have liked.

FYI for how I did it.

Drish Irish Stout
Mashed @148 with good thermometer
1084 Irish Ale yeast with 1 liter starter on stir plate
Ferment temp - Started at 64 and ramped up to 67 after a few days
Brewed 11/19/09
OG 1.038
12/15/09 FG before AE 1.014 Then Added 1/2 tsp AE
12/24/09 FG 1.010


Dead Guy Clone
Mashed @ 156 w good thermometer
Pacman yeast with 1600 ml starter on stir plate
Ferment temp 62
Brewed 11/30/09
OG 1.-64
12/15/09 FG before AE 1.022 Then Added 1 tsp AE
12/24/09 FG 1.012 and now crash chilling

I believe it has stopped fermenting after about a week. No more bubbles (although I know that is not the only indication of fermentation). When I first added the AE, there was an immediate foaming action on the surface (not krausen, just about 1/8 inch of foam that dissipated quickly). Slow bubbling within 4 hours. Never a krausen, just small pockets of bubbles about the size of a quarter on the surface.

We will see how it tastes in a few weeks.

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Old 12-26-2009, 01:05 PM   #3
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You can safely use it in the secondary. Amylase enzyme has a branching limit and will not completely breakdown the complex malts.

Unlike Beano that will reduce your beer to colored water + alcohol if used in the secondary. Only use Beano if you need a low-carbohydrate beer.

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Old 12-26-2009, 01:14 PM   #4
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I used AA in secondary, and it took my IPA from 1.028 down to 1.017. Worked out perfectly, however YMMV.

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Things are going great too. I think I've only punched her in the face 3 times!
FERMENTING: Heady Topper Clone?
CONDITIONING: 40 gallons KBS clone in a Jim Beam Barrel (since 11/24/12)
DRINKING: Smoked Robust Porter, Orange Coriander Pale Ale #5
THINKING: first foray into lagers?
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Old 12-26-2009, 03:47 PM   #5
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Quote:
Originally Posted by annasdadhockey View Post
I used AA in secondary, and it took my IPA from 1.028 down to 1.017. Worked out perfectly, however YMMV.
Hey ADH, glad to hear you "saved" your IPA! How much AE did you use?
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Old 12-31-2009, 07:50 PM   #6
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If anyone has experience using AE maybe they could answer another question.
The bottle of AE I got says 1tsp=5gal. I am doing a 2 gallon batch. So, after scaling (hopefully done correctly) I came up with 1gram per gallon( I am using 2 1-gallon jugs).
Anyway, after adding the AE I have not seen any activity at all, not even the small bubbles rising to the top that I have read about. Any ideas? Comments?
Thanks

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Old 12-31-2009, 08:01 PM   #7
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Quote:
Originally Posted by KayaBrew View Post
Hey ADH, glad to hear you "saved" your IPA! How much AE did you use?
1 tsp per 5 gallons(so 2 tsp all together). It turned out pretty decent, tasted a bit like Froot Loops, which isn't a bad thing I guess.
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Quote:
Originally Posted by dfc View Post
Things are going great too. I think I've only punched her in the face 3 times!
FERMENTING: Heady Topper Clone?
CONDITIONING: 40 gallons KBS clone in a Jim Beam Barrel (since 11/24/12)
DRINKING: Smoked Robust Porter, Orange Coriander Pale Ale #5
THINKING: first foray into lagers?
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Old 12-31-2009, 08:05 PM   #8
annasdadhockey
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Quote:
Originally Posted by Wino24 View Post
If anyone has experience using AE maybe they could answer another question.
The bottle of AE I got says 1tsp=5gal. I am doing a 2 gallon batch. So, after scaling (hopefully done correctly) I came up with 1gram per gallon( I am using 2 1-gallon jugs).
Anyway, after adding the AE I have not seen any activity at all, not even the small bubbles rising to the top that I have read about. Any ideas? Comments?
Thanks
I don't think you really need to be perfectly exact. It's only going to do so much, break so many chains, etc. I wouldn't go nuts with it. Just put about 1/4 tsp in each 1 gallon jug.

EDIT: I see you already added it. Keep us informed as to how it turns out. It may take a little bit to get some re-krauesening(sp?)...your hydrometer will tell you if it's working. Good Luck to you.
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Anybody can be a rockstar when the rest of the room is wearing helmets and drooling on themselves.

Quote:
Originally Posted by dfc View Post
Things are going great too. I think I've only punched her in the face 3 times!
FERMENTING: Heady Topper Clone?
CONDITIONING: 40 gallons KBS clone in a Jim Beam Barrel (since 11/24/12)
DRINKING: Smoked Robust Porter, Orange Coriander Pale Ale #5
THINKING: first foray into lagers?
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Old 12-31-2009, 08:10 PM   #9
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I have used AE during primary fermentation to help along a brew I did with some under modified malt to hit a target gravity, but I never knew it would dry out a brew. I guess you learn something every day.

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Old 12-31-2009, 08:42 PM   #10
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The gravity when I racked and added the AE was 1.008...was hoping squeeze it a touch more...

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