How to remove scale from a thermos

How to remove scale from thermos has always been a problem that troubles many housewives, because we will find that thermos used in family life are often prone to accumulate some scale, which will cause harm to the family's healthy drinking water. So here we will introduce to you some effective methods to remove scale from thermos.

Tools/Raw Materials

thermos

Oxalic acid, baking soda, egg shells, scale remover, dilute hydrochloric acid.

Methods/Steps

Pour 20-30 ml of oxalic acid into an empty thermos, tilt the thermos slightly, shake it, and you will hear a hissing sound inside. This indicates that the scale is dissolving. Look through the bottle mouth to see where there is scale, and transfer the oxalic acid solution there until it is completely dissolved. Be careful not to get it in your eyes. Pour out the decomposition liquid and rinse twice with clean water. Super fast.

Method for removing scale from household hot water thermos

You can pour in about 500 grams of 1% baking soda water, or heat the vinegar and put it into the bottle, shake it gently, and the scale can be removed. Be careful not to heat it, because vinegar is a volatile substance and it evaporates faster in Canada. Just leave it for a while.

Crush two egg shells slightly, put them into the bottle, then fill in half a teacup of cold water, plug the bottle and hold it down with one hand, hold the neck of the bottle with your thumb and other fingers, and hold the bottom of the bottle with your other hand, and shake it up and down, left and right. After about 20 seconds, remove the cork, pour out the eggshell, and rinse it twice with clean water.

Scale cleaner saves time and effort but does not save money. If it is not cleaned thoroughly, it will be harmful to your health. Please refer to the instructions for detailed usage. Generally: tear open a packet of scale cleaner and pour it into a container, then inject hot water to make the inner wall of the container fully immersed in water. After 30 minutes, the scale will fall off quickly and then you can wash it with clean water.

Using the methods recommended above to remove scale from household thermos will naturally achieve better results. Don't panic when facing some situations. When you are able to understand and master these methods, I believe you can achieve the most ideal effect of removing scale.