Sunday I tested my water. I had a fc reading of 2ppm and cya of 50. I have a swg and it was set to the 3rd led light out of 5. I put the swg at max. output and added 3 lbs. of cya.
Today the water looked cloudy with a fc reading of zero. My ph was at 7.3 so i am going to add 4 lbs of borax.
All summer the water has been crystal clear with no fc loss and a cc of zero. Not sure why the swg stopped producing chlorine. We did get a few heavy showers the past couple days.