What is the method to remove the tea scale

(1) to get rid of the tea made of metal tea, the use of metal tea every time, because of tea dirt and become black, such as the use of medium-cleaning agents can not wash away,
Can be soaked with vinegar, or soaked with bleach can be easily cleaned.
(2) remove the tea cup or teapot on the tea scale, cup, teapot with a long time, there will be a lot of tea dirt, with a sponge dipped in salt friction can be easily removed.
(3) In addition to small pieces of tea dirt can be soaked in bleach or cleaning powder solution, and place a night, you can remove the tea scale.