20L....40L....160L....What's the difference?

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Dodgertown

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What does the "L" mean? I have some 20L I just picked up for a recipie, but wanna mix it up, can I use the 20L in a recipe that call for 40L or even 60L? Just not sure what the value is. Thanks in advance!
 
L stand for lovibond, it's a scale that measures how dark the malt is. The higher the lovibond, the darker the malt. Darker crystal malts will ad more color and "darker" type caramel/toffee flavors. You can play around with using different types of crystal malts in recipes, but the change will affect how the beer tastes. If you're trying to follow a recipe you should probably stick to the type of crystal the recipe calls for, but you can mix it up a bit if you want, especially if you're talking about small amounts (like 1/2 a pound or less in a 5 gal. batch). Just know that using, say, 60L instead of 20L will make a noticeable difference.
 
Here you go...

Lovibond_Scale-529x203.jpg
 
For crystal malts, beyond color, there's also a flavor difference. In general, the lighter the color, the lighter, sweeter the flavor. Darker crystals have more burnt caramel, dried fruit flavor.

I guess the flavor difference applies to non-crystal malts too. The darker the color the more toasty/roasty/burnt the flavor
 
just last week i had this same type of question. went to my LHBS and asked the dude. he took me in grain room and looked at all of the diffrences. it really taught me alot. i would sugest you do the same. crack them open look at them and smell them. its kind of cool.
 
Well what happens when you mix grains? Say I mixed 20L with 60L? Or add them at separate times?
 
Well what happens when you mix grains? Say I mixed 20L with 60L? Or add them at separate times?

When you mix them, you get various color and flavor profiles depending on the mix. You can use a free tool like the one here to estimate what the color will be.

You don't really add the grains at separate times. You usually mash/steep them all together at once.
 
When you mix them, you get various color and flavor profiles depending on the mix. You can use a free tool like the one here to estimate what the color will be.

You don't really add the grains at separate times. You usually mash/steep them all together at once.

wow, thanks for the link. That is awesome beercalculus
 
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