How to remove the smell of the thermos flask?

Newly bought vacuum insulated cups sometimes have the smell of plastic; stainless steel metal taste; long-used vacuum insulated cups will inevitably have the smell of water stains in the cup, which has a great impact on our health. Is there any good way to deodorize the vacuum flask?

1. Salt water deodorization method. Clean the cup with detergent first, then pour the diluted salt water into the cup, shake it evenly, leave it for two hours, and finally clean the cup.

2. Milk deodorant method. Clean the cup with detergent first, then pour two tablespoons of fresh milk into the cup, tighten the lid of the cup, shake it evenly for about one minute, finally pour out the milk, and clean the cup.

3. Orange peel deodorant method. Clean the inside of the cup with detergent first, then put the fresh orange peel into the cup, tighten the lid of the cup, leave it for about four hours, and finally clean the inside of the cup. Orange peels can also be replaced with lemons in the same way.

4. The method of deodorizing strong tea. You can use some strong-flavored tea leaves, such as Tieguanyin, Pu'er, etc., fill it up with boiling water, cover the lid and wait for 15 minutes, then pour it out and wash it again, and it will no longer taste.