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Brews & Views Bulletin Board Service * Brews and Views Archive 2003 * April 1, 2003 * Can someone explain herms and rims ? < Previous Next >

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chris debiec (
Posted on Monday, March 10, 2003 - 05:03 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I know that herms and rims are procedures for mashing but what are they? I have looked for explanations and read a few general things but still don't know how they work. Do you need a pump? Do you directly heat the coil which the wort recirculates in?

Bill Pierce (
Posted on Monday, March 10, 2003 - 06:24 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

This subject is discussed in an article in the latest issue of Zymurgy. A RIMS (recirculating infusion mash system) uses a loop to recirculate the mash liquid. An electric element in the loop applies heat to maintain the temperature. A HERMS (heat exchanger recirculating mash system) uses a coil immersed in the hot liquor tank as the heat source. Both types of systems require a pump for recirculation.

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