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Home Brew Forums > Home Brewing Beer > Electric Brewing > RIMS/HERMS people - do I need to stir during dough-in, or can the pump handle it?
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Old 08-17-2011, 08:23 PM   #11
King of Cascade
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Originally Posted by Boerderij_Kabouter View Post
If you check you conversion efficiency, 97-98% conversion is about the upper limit. I suppose 100% conversion efficiency is theoretically possible, but I never get there, nor does anyone else I have spoken with who actually tracks such things.

I stir about 3 times during an average mash, and more if I am not getting my conversion efficiency to about 96-97%. I find you can lose a large amount of conversion efficiency and therefore gravity points by allowing the mash to sit statically. It could be system specific, but I know how my brewery works. Before I paid attention to my efficiencies I didn't know about that and didn't stir as much.
How do you track conversion efficiency? PM me if you dont want to highjack the thread.

The Yeast Whisperer

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Old 08-17-2011, 08:44 PM   #12
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Check out this page:

Here is the spreadsheet I use for my brewdays:

I love using this sheet. It allows me to actively see how my mash and beer is reacting and has drastically improved my consistency and accuracy of brewing.

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Old 08-18-2011, 09:33 AM   #13
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I use a RIMS system and you will need to stir during dough in. I stir once @ dough in, returning the mash through a simple CPVC manifold atop the grain bed and Batch sparging (with a mashout). I consistently get 90%+ eff. My efficiency is calculated by PROMASH.

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