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Old 11-19-2009, 02:16 PM   #21
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What happens when you try to do an iodine test on a dark beer, like a porter/stout, which is already black?

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Old 11-19-2009, 02:39 PM   #22
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Originally Posted by motobrewer View Post
What happens when you try to do an iodine test on a dark beer, like a porter/stout, which is already black?
You can't see through a glass full of stout, but a drop on two on a white plate is just about transparent.
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Old 11-19-2009, 03:07 PM   #23
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ah, yeah that makes sense. thanks!

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Old 11-19-2009, 04:24 PM   #24
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Originally Posted by Schlenkerla View Post
I used to think this way. I tried one time after I had a low gravity. It proved to be beneficial because several times after 60 minutes I have found starch in the mash.
I agree... I had one that took two hours to convert.
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