![]() ![]() If you are using a single step mash with no mash out, you can simply use any of the the “Single Infusion, No Mash Out” mash profiles that come with BeerSmith and don’t need to change anything. Modifying Your Mash Profiles for RIMS/HERMS Also because the RIMS/HERMS system preheats the water and mash tun, you don’t need to adjust temperatures for the mash tun being hold so you can actually uncheck the “Adjust Temp for Equip” box next to the mash profile name in your recipe. The key is knowing your equipment volumes. I won’t rehash how to build an equipment profile in BeerSmith here, but you can read the following article which walks step by step through the process, or watch the video here. Since we’ve established that the only major difference between RIMS/HERMS and a traditional infusion mash system is how the wort is heated, you will probably not be surprised that you set up your RIMS/HERMS equipment profile in exactly the same way you would for a regular brewing system in BeerSmith. Setting Up a RIMS/HERMS Equipment Profile So really the only difference for RIMS or HERMS is that the later mash steps are direct heat steps instead of infusion steps. Here instead of adding additional hot water, a RIMS or HERMS system will heat the wort directly as it is recirculating. The key difference comes in second and later mash steps. ![]() Then the grain is added just as you would with a conventional brewing system. Typically the water needed for mashing is added to the mash tun and then recirculated and heated until the mash in (infusion) temperature is reached. So when we talk about using a RIMS or HERMS system for brewing with BeerSmith, we’re really talking about changes only to the mash phase.įinally, I will note that most RIMS or HERMS systems use a simple water infusion for the first mash step. The rest of the brewing process is the same – so RIMS or HERMS do not handle the boil or fermentation any differently, though a pump is available to make it easier to transfer wort around. ![]() When comparing RIMS or HERMS to a traditional home brew system, the main difference is the use of a recirculating pump and heat source during the mash phase. You can find additional info on RIMS and HERMS here. In this case, the pump’s flow rate is regulated to manage the temperature of the wort, or alternately the pump is cycled on and off. The wort is circulated from the bottom of the mash tun, through the coil and back to the top of the mash tun. In the hot liquor tun is an immersion coil that acts as a heat exchanger. The most common HERMS design has a hot liquor tun with hot water in it that is heated directly for use in the later lauter stage. HERMS stands for Heat Exchange Recirculating Mash System which incorporate some form of heat exchanger or coil. The temperature of the wort is controlled by cycling the heating element on and off. So basically as water is recirculated by a pump from the bottom to the top of the mash tun, the water can be heated using a heating element in the recirculating line. RIMS stands for Recirculating Infusion Mash System (RIMS) and these systems incorporate the heating element into the recirculating line. Both of these are recirculating mash systems which means that they incorporate a recirculating pump and some type of heating element to cycle warm water through the mash tun during the mash stage. Lets start with what makes a RIMS or HERMS brewing system different than a traditional home brewing system. What Makes RIMS and HERMS Systems Different? I’ve had quite a few people ask me how to incorporate these systems into BeerSmith, so below is a quick overview. Follow I take a look at how to handle RIMS and HERMS brewing systems in BeerSmith brewing software. ![]()
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