Is this normal tea discoloration? . It's normal. It's not a problem. It can be cleaned well by brushing with toothpaste.

But it is also possible that the Bittering Tea you bought is worse. There will be more tartar.

Just wash it regularly. Just be careful when you drink it. I specialize in tea. I also make Bitter Tea.

Here is a picture of my Bittering Tea. Pictures of my Bitter Tea.... I don't know if you and I buy the same.... My this is good

. The ones on the market are usually bad. It's a dark color. You can also go to my Baidu.... I have

The introduction of the bitter tea