When I had a Keurig, there were two little blue LEDs under the water tank. Every once in a while, I would notice some little green bits of algae (or something) would grow on the bottom of the tank, directly above the lights. They kept coming back even after I would thoroughly clean it.
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When I had a Keurig, there were two little blue LEDs under the water tank. Every once in a while, I would notice some little green bits of algae (or something) would grow on the bottom of the tank, directly above the lights. They kept coming back even after I would thoroughly clean it.