My thermos has black scale in it and I hope someone out there can help solve my problem. How can I remove this?
By Julie Z. from Kamloops, BC
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I just use the denture tablets. Put a couple in the bottom of the thermos and pour boiling water over them and shake the thermos with the cover on. Let sit for an hour or so and repeat this procedure till the water runs clear.
We use dishwasher soap, since we always have it on hand. Just put a little in the thermos and fill with water. After about 10 minutes it will look brand new.
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