Thanks for the reply,
I always lower the pH to about 7.2, after adding acid, waiting about 4-5 hours, then check it again. Usually comes in at 7.2-7.4, but by the weekend again, it will be at 8. I know my FC is low, but that is okay since I also added liquid chlorine at the same time. I may have to insert my cell since the temperatures here in Southern CA have increased. Today, it was 80 degrees F. Water temp is approaching 70.