How long can one safely leave water in his Keurig coffee maker reservoir before changing it?

How long can one safely leave water in his Keurig coffee maker reservoir before changing it?

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0 thoughts on “How long can one safely leave water in his Keurig coffee maker reservoir before changing it?”

  1. In my opinion no longer than a month. Water does not go bad however the inside of the machine has plastics, rubbers, and maybe metals in it that can possibly deteriorate and contaminate the water.
    Water it self will evaporate over time. Tap water purifies it self by leaving it sit out in a container in open air. The chemicals added to tap water …

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  2. There’s no real limit. Generally, for safety you’re worried about bacteria and other water borne pathogens growing in there. And they most all are killed above 145 F (63C). Your Keurig’s water tank is much hotter than that. So not generally a real health concern for the heat tank. Just be sure to clean off the front of the machine (brewing area, including the brew cup, needles, drip tray, etc) regularly, at least weekly.
    But, you should descale your brewer every couple of months too. And that will clean out everything including lime and scale, since it’s a very acidic environment.

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  3. Why would you want to do this? The point of any coffee maker is to have great coffee. Great coffee doesn’t start with very old water. Flush it out each day and let it dry.

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