When I brought mine in I put them into fresh soil (FF Ocean Forest) and they still developed the issue, I believe mine was due to so much moisture which had effected the roots too much. They had just begun flowering, figuring cost to size I decided to run them with minimal nutes instead of wasting the nutes to try to repair what was done all ready. Now this was due to their small size and they had just started to flower. If you have large plants save them, if they are small I would look at how much you could harvest if everything went perfect from now, then look at the reality and say is the electricity, nutrient cost and your time worth an ounce or two of what may not be that great, or call the plant a loss, start fresh and take care of the good plants you do have.
Just my opinion..
Just my opinion..