The Cleaning Tip That Ensures A Sparkling Yeti Tumbler - Tasting Table
Briefly

"Yeti recommends using the dishwasher for everyday use, but deep cleaning might be necessary whenever those tough tea and coffee stains start to set in."
"The simplest method works wonderfully: Pour white vinegar into the tumbler, add baking soda to a sponge, and scrub the stains until they disappear."
"For especially tough stains, try adding hot water to the baking soda inside the tumbler or letting the solution soak for a while before scrubbing."
"It's also important to ensure that you clean the lid of the tumbler. Yeti's MagSlider lids have a top piece that slides right off and a removable gasket."
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