On Sun, 21 Apr 2019 11:15:26 +0100, Another John wrote:

He said his Mum used to bleach their cups on a regular basis. I'd heard
of this before, but I've never gone near the idea, for fear of poisoning
myself.

I use Morrison's Stain Remover - own brand equivalent to Vanish - in our china
teapots and they come up a treat with no after taste when rinsed thoroughly.

--
TOJ.