Method 1:
Buy a small bottle of beer, fill the thermos with beer, let it soak for 15 minutes, shake the thermos gently, pour out the beer, and rinse the thermos with water.
Method two:
Go to the supermarket and buy a bottle of the cheapest white vinegar, then pour the vinegar into a thermos for half a minute, then rinse the thermos with water. The scale will come off naturally under the rinse of water. If the scale is thick, more than ten small glass balls can be placed in the hot water bottle gently shake until all the scale is removed.
Method 3:
Eggshells are good for cleaning your home. As long as the eggshell crushed, into the dirty cup or bottle to wash, and then drop a few drops of vinegar, gradually shake, and then wash with a brush, it will be easy to wash the parts of cleaning.
Method 4:
Wrap the tea residue with gauze to be used, take a little cooking oil on the tea bag, gently wipe the stains on the plastic bottle, after wiping, wash with a little dishwashing detergent, so that the scale of the hot water bottle will be washed clean.
Method 5:
Eggshells can also be useful for removing scale. Hot water bottles used for a long time are also prone to scale, and hot water bottles because of the narrow mouth, it is not easy to remove the scale at the bottom. You might as well put some broken eggshell in the water bottle, add some water and the right amount of dishwashing liquid, cover the bottle thick shake up and down the bottle, and finally rinse with water several times, so that you can effectively remove the scale in the hot water bottle. Eggshells have such amazing cleaning properties that you can give them a try.
