Double mash Bru'n Water profile

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Double mash Bru'n Water profile

Unread postby Fenton » Sat Nov 18, 2017 10:04 pm

Hi,

I have an interesting question regarding what water profile and mash PH to use when doing a double mash. I have planned to brew a Russian Imperial Stout, and will be mashing identical half grain bills one after the other as per some instructions on this website.

My question is, when working out mash PH, do I use the half sized grain bills or do I use the whole grain bill when inputting into Bru'n Water?

The picture below shows the grain bill I'll be using.

Any ideas would be appreciated

Cheers
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Fenton
 
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Re: Double mash Bru'n Water profile

Unread postby grooves » Mon Nov 20, 2017 9:18 am

Interesting question

why not use two sheets

The first with your treated water pH and half grain bill (first mash)

The second with the pH of the water set to the predicted mash pH of the first sheet and the other half grain bill (second mash)
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