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Topics in This Week’s Episode (46:59)
- Today my guest is Chris Graham. Chris is the President of MoreBeer Inc which is one of the largest online home brew suppliers, and he also is an instructor at the world renowned Sibel Brewing Institute.
- Chris joins me to discuss larger scale (10 gal/38 l and above) home brewing systems including RIMS and HERMS systems as well as associated pumps, chillers and other accessories.
- Chris shares a few of the new projects and developments at MoreBeer.
- We open with a discussion of why home brewers often move up to three tier RIMS and HERMS brewing systems as they move from 5 gal (19l) batches to 10 gal (38 l) or larger batches, as well as why a pump is often added at this point.
- He explains the basic three kettle (three tier) system consisting of a hot liquor tun, mash tun and boil kettle.
- We talk about the use of insulated vs non-insulated mash tuns and how the control of temperature during the mash often differentiates these systems.
- Chris explains the basics of a recirculating mash system which is used to maintain a constant temperature by recirculating hot wort past a heat source during the mash instead of using insulation.
- We discuss the simplest mash system which is a RIMS system – it uses a separate heat source to directly heat the recirculating wort.
- The other major mash system is called HERMS and typically uses a coil in the hot liquor tun to heat the recirculating wort. Chris explains how this works.
- We also discuss Kettle RIMS which is a RIMS hybrid using a boil kettle (such as my BrewEasy) and also direct fire systems that heat the mash directly while recirculating the wort.
- Chris talks about how various control systems including PIDS and Microcontrollers are used to monitor and control the mash temperature during recirculation.
- Next we discuss wort pumps including the two major manufacturers of pumps and the type most commonly used in home brewing.
- The pumps also come in handy for a variety of other uses including transferring wort, chilling wort and even cleanup.
- Chris explains why immersion chillers are not a great choice for large all grain systems and how most brewers switch to a plate chiller or counter-flow chiller.
- He talks about what a typical brew day might look like on one of these all grain systems.
- Finally Chris spends a minute talking about some of the new things going on at MoreBeer.
- Thank you to our sponsor Craft Beer and Brewing Magazine for sponsoring this episode. I encourage you to subscribe to their great magazine!
- And also Anvil Brewing Equipment. Anvil is a new line of kettles, burners and accessories from John Blichmann at Blichmann Engineering. They make top quality brewing equipment built to last a lifetime.
- Also check out BeerSmith, BeerSmith Mobile software and the new DVDs John Palmer and I filmed – How to Brew with Malt Extract and How to Brew All Grain are available now. You can subscribe to the BeerSmith newsletter for free to get some great articles on home brewing.
Thanks to Chris Graham for appearing on the show and also to you for listening!
iTunes Announcements: I launched a new video channel for the BeerSmith podcast on iTunes, so subscribe now! At the moment it will only feature the new widescreen episodes (#75 and up). Older episodes are available on my revamped Youtube channel. Also all of my audio episodes are on iTunes now – so grab the older episodes if you missed any.
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Related Beer Brewing Articles from BeerSmith:
- RIMS and HERMS – Recirculating Infusion Mash Systems for Beer
- Electric Beer Brewing Systems with Adam Shake – BeerSmith Podcast #109
- Home Brewing Equipment with John Blichmann – BeerSmith Podcast #92
- Chilling Your Wort with Chris Graham – BeerSmith Podcast #107
- Beer Brewing Equipment with John Blichmann – BeerSmith Podcast 28
- Beer Fermentation with Chris Graham – BeerSmith Podcast #91
- Bohemian Pilsner Beer Brewing with Chris Graham – BeerSmith Podcast #99
- Kegging your Home Brewed Beer with Chris Graham- BeerSmith Podcast #79
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