My FC loss per day is right at 3, so I'll use Trichlor pucks to get the CYA up to 40-50.
As for the TA . . . per Pool School, I kept TA 70-90 by weekly adding baking soda, but still had a consistent pH creep up of 0.1 daily. Then I read in TFP forum to leave TA alone to see where it naturally...