How to remove the thick dirt on the stainless steel kettle?
Heat 250 grams of vinegar and pour it into a hot water bottle for a few hours. Then shake it up and down, and the scale will fall off.5, take 200 grams of dilute hydrochloric acid into the bottle, soak for a while, and then shake, you can remove the scale inside the bottle.
The two egg shell slightly crumble, put into the bottle, then put into cold water and a half mug, plug the cork and used a hand press, thumb and other fingers hold the bottle neck, the other hand to hold the bottom of the bottle, shake up and down spin around. About 20 seconds, remove the bottle and poured the shell, and then water rinse two times.
Can be poured into 1% of the concentration of 500 grams of soda water, or heating vinegar into the bottle, gently shake rinse, scale can be removed.
Put some scraps of paper in the bottle, then pour it into the warm salt water and shake it for a while. The scale can be removed.
