FINALLY….numbers even a pessimist can appreciate:

Yesterday morning @ 6:30am: FC=30 CC=2.0
Yesterday evening @ 9:00pm: FC=28 CC=1.0 !!!!!!!

Needless to say I tested several (OK 4) times to make sure. yea!

This morning tested @ 7:00am: FC=27 CC=1.0

So could that bitter taste in the water have been an "extinction burst"- the microbe's last hurrah before kicking it??? (I know, probably not, but I like the imagery).
OH- Add more bleach today or wait and see??? It's a sunny Sunday here.