Industry knowledge

The scale deposit of the glass liner of the domestic hot water thermos bottle, what method can be completely removed?

2019-09-02
1. Pour hot vinegar into the bottle, cover the lid tightly, shake it gently, place it for half an hour, then wash it with water, and remove the scale.
2. Add 50 grams of baking soda and a cup of water to the bottle, cover the lid, shake gently, place it for half an hour, then rinse off with water.
3, the egg shell is broken into a water bottle, then a few drops of detergent and the right amount of water, after capping, shake up and down, and finally rinse with water.