Should You Turn Off a Salt System When Shocking the Pool?
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At its core, shocking a saltwater pool is about raising the chlorine level quickly enough to handle a problem that normal daily chlorine production may not correct fast enough. That leads to an important equipment question: should you turn off a salt system when shocking the pool? In many situations, yes, especially when you are adding an outside chlorine shock treatment, because the salt chlorine generator does not need to keep producing additional chlorine while the pool is already at an intentionally elevated chlorine level.
Quick Answer
If you are adding chlorine shock from an outside source, turning the salt chlorine generator off or setting its output to zero is often the sensible approach. Keep the circulation pump running so the shock can mix throughout the pool. After the free chlorine level returns to your system manufacturer's normal operating range