Quote Originally Posted by seminolewind View Post
TC 5.6
FC 5.3
TA 200
CA 190
pH 8.0

Thanks, I feel pretty meaningless lately too dealing with this pool.
"shock level" for CYA=30 is between 10 and 15, not 5.3. See the "Best Guess table"

Your pH is too high. Get it down to the mid 7's before you add chlorine, THEN shock it to 10+ and keep it there. pH of 8 makes it very hard for your chlorine to work.