RIMS vs. HERMS Brewing Systems: What’s the Difference?

RIMS vs. HERMS Brewing Systems: What’s the Difference?

What is RIMS brewing?

RIMS brewing, or recirculating infusion mash system, is a type of brewing system that recirculates the wort through the grain bed during the mashing process. This allows for a more consistent temperature and extract efficiency.

How do RIMS work?

A RIMS system consists of a few key components: a heat source, a recirculating pump, and a mash tun. The heat source is used to raise the temperature of the Mash Tun (MT), which contains the grist (milled malt/grain) and water. The recirculating pump circulates the wort from the MT through a heat exchanger (HX) and back into the MT.

What is HERMS brewing?

HERMS brewing, or heat exchange recirculating mash system, is a type of brewing system that recirculates the wort through a heat exchanger during the mashing process. This allows for a more consistent temperature and extracts efficiency.

How does HERMS work?

A HERMS system also consists of a few key components: a heat source, a recirculating pump, and a mash tun. The heat source is used to raise the initial temperature of the Mash Tun (MT) and also to heat water in a separate hot liquor tank (HLT). The recirculating pump circulates the wort from the MT through the HLT and back into the MT.

The benefits of each system

Both RIMS and HERMS brewing systems have their own benefits that make them attractive to different brewers.

RIMS brewing systems offer a few key benefits:

They are typically less expensive than HERMS systems.

They are simpler and easier to build.

The wort only comes in contact with stainless steel, which is easy to clean.

HERMS brewing systems offer a few key benefits:

They provide more control over the brewing process.

They allow for step mashing, which can lead to better results.

The wort comes in contact with hot water, which can help with extraction.

How to choose the right system for you

The right brewing system for you will depend on your specific needs and preferences. If you are looking for a simpler system that is easier to build, a RIMS system may be the right choice for you. If you are looking for more control over the brewing process and better results, a HERMS system may be the right choice for you.

FAQs

Are HERMS and RIMS Systems Expensive?

RIMS brewing systems are typically less expensive than HERMS systems. However, both types of systems can be expensive to build depending on the specific components you choose.

Can I Use a RIMS System for Step Mashing?

Yes, you can use a RIMS system for step mashing. However, HERMS systems are typically better for step mashing because they provide more consistent temperatures.

Can I Use a HERMS System for All Grain Brewing?

Yes, you can use a HERMS system for all-grain brewing. In fact, many commercial brewers use HERMS systems because they provide more control over the brewing process.

Are RIMS and HERMS Easy To Clean?

Yes, both RIMS and HERMS systems are easy to clean because the wort only comes in contact with stainless steel.

Do I Need a Pump for RIMS or HERMS?

Yes, you will need a recirculating pump for both RIMS and HERMS brewing systems.

Do I Need a Heat Exchanger for RIMS?

No, you do not need a heat exchanger for RIMS brewing. However, you will need a heat exchanger for HERMS brewing.

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