Clean a Dirty Thermos

Fill your thermos with warm water and ¼ Cup DYC White Vinegar. If there are any stains in the thermos add some uncooked rice, which will act as abrasive. Close and shake well. Then rinse and let it air-dry.

DYC White Vinegar

Warm Water

Rice

1
Fill your thermos with warm water.
2
Add ¼ Cup DYC White Vinegar.
3
Add some uncooked rice.
4
Close and shake well.
5
Rinse and let it air-dry.