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    Can adding a lot of calcium chloride at once reduce FC??

    Thanks. It’s odd that the SWG is not putting out chlorine after adding the calcium chloride, despite all the lights being green. Salt level is good. Flow is good. Any thoughts on why? I would expect the cell light to flash if there was precipitation on the electrolysis plates. Is there...
  2. B

    Calcium chloride depletes my chlorine. Why??

    I have the same problem currently after adding 20lb calcium chloride to a 25k gal pool with a SWG yesterday. How long was low FC a problem? Did it gradually improve? Did you need to clean your SWG plates?
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    Can adding a lot of calcium chloride at once reduce FC??

    Just found this thread. I added 20lb calcium chloride yesterday to a 25K gal pool with a pentair SWG. Normal FC yesterday and none today, even at the jets at 100%, with all green lights on the generator. Did you figure out why adding the calcium chloride dropped the chlorine production? How...