That tea ball (OK, infuser) hasn’t killed me yet, but it was looking rather grody despite a more-or-less monthly run through the dishwasher. So when Mary made up a bleach solution to sterilize her plant starting pots, I tossed it into the bottom of the pan for half an hour:
Zowie! All the organic schmutz vanished, leaving it as good-looking as new.
No before picture, alas, but maybe next time…
Memo to Self: Do that more often.