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Episode #96 - Trends in India Pale Ale (IPA) with Mitch Steele

BeerSmith

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Trends in India Pale Ale (IPA) with Mitch Steele - BeerSmith Podcast #96
 
http://beersmith.com/blog/2015/01/20/trends-in-india-pale-ale-ipa-with-mitch-steele-beersmith-podcast-96/

Cheers,

Brad Smith
 

cpcummings

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I wonder if anyone caught specifics on water chemistry that Mitch referred to for his IPAs.  I thought I heard him say that Stone targets 120 ppm carbonates and about 70 ppm calcium, but I can't get this chemistry to make the math work for proper pH given that he also doesn't like to use crystal malts.  He didn't mention anything about acidifying the mash, but I can only assume that Stone does if he's right about the carbonate to calcium ratio.
 

grathan

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He could be including the 70ppm calcium in the hardness number of 120ppm.
 

cpcummings

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I don't think that makes sense, unless you mean he's saying 70 ppm calcium and 50 ppm carbonates.  Is that what you mean?
 

grathan

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Yeah that is what I mean. But he doesn't say carbonates, he just says hardness. Which might also include sulfates as well as calcium. magnesium, or carbonates and perhaps chlorides as well.
 
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