Staff Answer
Sep 04, 2026 - 07:35 AM
It is not typically recommended to "downsize" a salt cell. While what you are asking about will techinically work, it will require the cell to work at a higher output and/or run for more hours to do the job, which typically translates to the cell becoming depleted more quickly. For example, it would be more ideal for a CORE55 cell to run less hours to create the same amount of chlorine as a CORE35 running for more hours. In the long run, this typically is a much more beneficial scenario than the relatively small cost savings that you would get upfront from buying a smaller cell. Additionally, consider the extra capability that you have on hand with a larger cell - if a pool problem ever arises, the CORE55 would allow you to create on demand more chlorine, more quickly. That means you may be able to take care of any such issue quickly and prevent it from becoming a larger problem such as an algae bloom.
Take a look at this helpful video that talks about the issue: https://www.youtube.com/watch?v=R4wGu...
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