How often should I descale my K Select K80, and how long does it take?
You should descale your coffee maker every 3-6 months, though calcium deposits may build up faster and require more frequent descaling. The full descaling procedure takes approximately 45 minutes to complete. You will need a large ceramic mug, fresh water, and Keurig Descaling Solution — do not use a paper cup. (Page 4)
From the official Keurig K Select K80 manual, page 4
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