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, to do this, fill your reservoir half way with white vinegar. Brew several ‘beverages’ with no K cup in the holder to clean the reservoir and tubing until the vinegar runs out. The vinegar will break down the calcium deposits. When that’s done, remove the reservoir and rinse well. Refill
How to clean your Keurig coffee maker in 4 steps using vinegar. Quick and easy cleaning from Cha Ching Queen.
As old as I am, after 2 kids, husband, & pt cleaning job in college I still need domestication help.