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Old 05-07-2012, 08:58 PM   #1
Bisco_Ben
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Default 60 minute mash when recipe called for 90 min

I am currently brewing an IPA that called for a 90 minute mash. Stupidly I overlooked this and only mashed for 60. I do not have iodine for the conversion test so i dont do that. Grain bill was 11# pale malt, 1# munich and .75# caramel 60L. What could be some consequences/changes that result from my stupidity??


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Old 05-07-2012, 09:05 PM   #2
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what gravities did you measure? did you hit your numbers?


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Old 05-07-2012, 09:07 PM   #3
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Recipe did not specify any preboil gravities and i havent finished brewing yet so no other readings have been taken yet
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Old 05-07-2012, 09:07 PM   #4
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Not quite sure why the recipe called for a 90 minute mash. the ingredients listed are typical of an IPA, I use them in mine and my mash is for 60 minutes and they turn out wonderful with no issues.

I have followed recipes that call for 90 minute mashes and have only done them with 60 and they have all turned out great. Are you sure it was not a 90 minute boil?

I really think it will be fine
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Old 05-07-2012, 09:15 PM   #5
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Recipe calls for 90 min mash and 90 min boil. I guess i will see how it turns out, then re-brew using a 90 min mash and compare. Glad to have some reassurance that it shouldnt be a problem.
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Old 05-07-2012, 09:32 PM   #6
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You probably could have done a 30 min mash and not noticed a difference.
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Old 05-07-2012, 09:53 PM   #7
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With that grainbill, I don't see a need for a 90 minute mash. Or even a 60 minute mash, probably. Those malts will convert in as little as 20 minutes with a mash temp in the mid-150s. Mashing cooler might mean it might take longer, but certainly not longer than 60 minutes.


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