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Old 03-04-2012, 10:33 PM   #1
fozzman
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Default LME: To boil or not to boil?

I am a week into my second batch with is a True Brew Amber Ale. I have learned that kit instructions should be only used as a guide, if at all. This was my first boil kit so being new to the hobby, I wanted to keep it fairly simple. Instructions stated to bring the water to a boil, remove from heat, add LME, DME, and hop pellets, stir until disolved, return to heat until it foams, remove from heat until foaming stops, return to heat and boil for 20 - 30 minutes.

So now I am a week in and everything is running smoothly, but now I hear that you should never boil LME.

Just wanted to find out what others think about this. Any responses would be greatly appreciated. Thanks in advance.

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Old 03-04-2012, 10:39 PM   #2
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Its ok to boil LME as long as its not pre-hopped.

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Old 03-04-2012, 11:53 PM   #3
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The kit contained hopped amber malt LME. So what effect will the fact that I boiled for about 30 minutes have on the beer?

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Old 03-04-2012, 11:59 PM   #4
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Pretty much all the True Brew kits that contain hopped LME say to dump it all in the pot with the water and boil for 30 mins. I've modified that a bit based on stuff I read here, and for the last two or three batches boiled the non-hopped LME for 30 mins but added the hopped LME about 10-15 mins before flame-out. None are ready to drink yet so I don't know the difference. But I do think it's interesting that the kits all say boil the hopped and non-hopped together for the same amount of time.

Another thing I read said boiling LME is silly altogether, it doesn't need to be boiled at all.

Not sure what to think....

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Old 03-06-2012, 01:28 AM   #5
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Did a bit more research and found a blurb in "How To Brew" by John Palmer that basically states that if adding finishing hops to hopped malt extract, boil for 15 to 30 minutes. If using bittering hops with hopped malt extract boil the hops anywhere from 45 to 90 minutes adding the hopped malt at flame out. We'll just have to wait and see how it comes out. If I do this kit again I will have to try adding the hopped malt extract after the boil.

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Old 12-24-2012, 05:21 PM   #6
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Hi fozz and 'guy'
I have this same kit that will be my first batch. I am having the same delima as to when to add the LME and hop pellets.

Any tips?

Thanks!

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Old 12-24-2012, 05:52 PM   #7
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Right so it isnt silly to boil extract. LME and DME are the same thing, just with different amounts of liquid in them. Malt Extract does need to be boiled for a minimum of 15 minutes to properly caramelize the sugars in the malt. Boiling it any longer will not hurt nor change your end product. Also the sugars in malt extract play an important part in bittering hop utilization. many brewers only add 1/4 or 1/3 of their ME at the beginning of the boil with their hops, and then put the rest in @ 15 mins. this is called a late malt addition. If you follow the instructions for the kit it should turn out just fine. Definitely add the hopped when it tells you to so you can get the correct hop utilization. but if you want to wait till 15 mins to add the rest it really doesn't matter.

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Old 12-24-2012, 05:52 PM   #8
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Quote:
Originally Posted by fozzman View Post
I am a week into my second batch with is a True Brew Amber Ale. I have learned that kit instructions should be only used as a guide, if at all. This was my first boil kit so being new to the hobby, I wanted to keep it fairly simple. Instructions stated to bring the water to a boil, remove from heat, add LME, DME, and hop pellets, stir until disolved, return to heat until it foams, remove from heat until foaming stops, return to heat and boil for 20 - 30 minutes.

So now I am a week in and everything is running smoothly, but now I hear that you should never boil LME.

Just wanted to find out what others think about this. Any responses would be greatly appreciated. Thanks in advance.
did you follow the instructions that came with the recipe?

if so, you should be ok... those recipes are designed to achieve a certain result.
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Old 12-24-2012, 06:42 PM   #9
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Does the remainder of the extract need to be added before flameout? I've been adding the bulk of mine once done for a long time now. My OG is typically up to .005 points higher than what's anticipated on the brew calculator (I don't buy kits, but make up my recipes using Hopville), though once in a while they hit the target.

I've read there is no reason to boil it.

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Old 12-24-2012, 06:50 PM   #10
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That book is off. If you boil pre hopped LME or DME,the finishing hops would boil down closer to bittering additions. Bittering additions would be ok to a point. but all will caramelize due to mailard reations from boiling LME for yet another hour that it's been through already.
Late extract additions are better. I don't boil LME at all if I can help it. I get lighter colors,& no twang.
And LME is not the same as DME. Yes they're both extract,but they react differently in the boil. And boiling it longer will not hurt the end product?!!? WTF?? You haven't read about all the darker beers with that "extract twang" to them?? I've vbeen over this so many times,it's burned into my E-PROMs. The longer you boil LME,the more mailard reactions you get. BRB...
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