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09-30-2019 11:47 PM
I just bought a stainless steel Thermos beverage container. For some reason, I actually read the instructions and it says not to use bleach to clean. How do you clean coffee/tea stains if you can't use bleach? That is what I have used in the past for my Contigo containers and never had a problem (whether it says not to I don't know). I think I have tried Efferdent tablets in the past and the staining remained.
09-30-2019 11:57 PM
My husband carried a stainless steel thermos to work in the coal mine for 12 years. I poured baking soda into the thermos, followed by white vinegar, let it foam, then sit for an hour or so, before washing as usual. This kept the inside shiny clean.
09-30-2019 11:58 PM
My guess is there could be a reaction to the metal. I would never use bleach on anything I use that comes in contact with food.
10-01-2019 12:53 AM
have never used bleach or anything harsh in a thermos or special cups.
i just use hot water, detergent, and a silicone bottle brush as needed OR the dishwasher if it can go into the dishwasher.
10-01-2019 01:54 AM
@Icegoddess Same advice as @RedTop baking soda and white vinegar is what I would use for cleaning a thermos. It's one of my faithful food safe cleaning combos for many things.
10-01-2019 04:19 AM
My Mother used Efferdent tablets in very hot watwer. Just don't use the ones with mouth wash in them, like Listerine, because that taste will stay a while and it does not improve the coffee flavor. It takes a few washings to get that taste out. The regular tablets work well, and after you wash the Thermos out the taste doesn't linger. Let the hot water and Efferdent sit awhile and then wash the thermos out with soap.
10-01-2019 05:40 AM
You can take a dishwasher puck and drop it in the cup with hot water. Let sit and rinse. Shiny clean. LM
10-01-2019 06:55 AM
@Icegoddess wrote:I just bought a stainless steel Thermos beverage container. For some reason, I actually read the instructions and it says not to use bleach to clean. How do you clean coffee/tea stains if you can't use bleach? That is what I have used in the past for my Contigo containers and never had a problem (whether it says not to I don't know). I think I have tried Efferdent tablets in the past and the staining remained.
is the inside Stainless?
I'd use bleach anyway
only thing I can think of is that repeated bleach would erode the seal
10-01-2019 08:12 AM
I use Oxi Clean granules (approx 1-2 tsp) and fill Thermos with hot water, shake, and let set for about half an hour. Rinse with hot soapy water and then rinse with hot water. Thermos looks like new!
10-01-2019 09:14 AM
Great tips! Thanks!
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