27 мар. 2023 г. · If the thermos is made of metal inside and you don't mind it getting scratched: (1) Ajax, hot sudsy water and a bottle brush or a brillo pad.

14 мар. 2023 г. · I would use vinegar, baking soda, and hot water. Letting it sit for 15-25 minutes. If that doesn't work a melamine sponge (Mr Clean) will make ...

26 авг. 2019 г. · Take the lid off the mug and dump in one or two teaspoons full of baking soda. Then add a generous amount of vinegar. A couple good double-shots ...

21 авг. 2011 г. · The best way to clean a flask is with boiling water and either a teaspoon of baking soda or crumble up a denture cleaning tablet.

27 сент. 2018 г. · Soap, hot water, and a mild bleach solution should do the trick. If you use these three “helps” all the time, you will not get the build-up of a ...

11 авг. 2021 г. · Put 2 tablespoons of distilled (white) vinegar in your bottle and fill half way with warm water. Put the cap on and give it a good shake. Use ...

2 февр. 2021 г. · Wash the thermos flask with soap and water using a soft brush carefully. Then rinse out the soap completely using drinking water.

14 апр. 2021 г. · Add a tablespoon or two of washing soda, 2/3 fill with boiling water so there is sufficient ullage to agitate, put the stopper in, ...

2 окт. 2015 г. · The best way to clean a flask is with boiling water and either a teaspoon of baking soda or crumble up a denture cleaning tablet. You can leave ...

24 янв. 2023 г. · Wash it with hot soapy water first, to remove any residue. Rinse. Then fill it with vinegar to the brim and put the lid on.