Editing RO systems
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====Deionization (DI) stage==== | ====Deionization (DI) stage==== | ||
A DI stage contains an ion exchange resin; it can be used to remove minerals that the RO membrane failed to reject. Systems with this stage are called "RODI". Very few people use a RODI system for brewing water because | A DI stage contains an ion exchange resin; it can be used to remove minerals that the RO membrane failed to reject. Systems with this stage are called "RODI". Very few people use a RODI system for brewing water because it's not worth the added expense and maintenance—the low amount of dissolved minerals remaining from a functional RO system will have no significant impact on the brewing process.<ref name=hbtguide/><ref>[https://www.homebrewtalk.com/threads/my-ro-system.666033/ My RO system.] HomeBrewTalk website. 2019. Accessed October 2020.</ref> | ||
====Carbon post-filter==== | ====Carbon post-filter==== |