Algae will grow in standing water subjected to light. It does not need to be sunlight either.. fluorescent light works, too. Take away the light and algae will not grow.
If there is no light, this may not be algae - but something else. Try using a different water source or have the water tested.
Hello,
Using filter water of course helps keep things clean and so forth. To help solve this algae problem when you descale and clean machine use vinegar and that should help from algae building up. Thanks Mike
I was checking back with you to see if you have anymore questions. On another note that Might help, sense there is 3 out of 4 house holds have a coffee maker of some kind in there home, and keurig has sold units in the millions per year and most are on there counter in some kind of light, this algae would be a growing problem and tons of complaints would be coming in if you had your machine in the light. Another thing, that a lot of people don't know is the plastic is specially made with a type of tint in it to avoid certain light that would cause this. Kind of like cheep sunglasses. I learned that a few years ago, when I was at a convention, sense my wife and I also Own a espresso company in my home town for the last 16 years. So, again, this is what you can do, besides descaling with some vinegar , is a lot of people never empty there water container completely and clean it, they just keep adding water to it, from fear of it running out, so what happens is the bottom part of the water container is never cleaned and scrubbed. So, if you just clean container on a regular basis and descale regular complete with vinegar and water, and you should be alright. IF you have a water problem in your water system, which I doubt, then you would have this problem in your fridge ice maker as well, if you have one. I hope this additional information helps you. Mike
Distilled water doesn't let anything grow and won't build hard water scale in your machine. Coffee tastes way better too!
I descaled my unit after using doubly filtered water (refrigerator water filtered into a brita container filtered, then into my K machine). My algea build up was a perfect circle only over the LED circular light. I saw no settings option to turn OFF that light in the reservoir.
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I got the green out of the reservoir itself, but I still have some inside the part at the bottom with the spring mechanism where the water flows out. I did a vinegar/water clean cycle yesterday. Is there anyway to clean inside of that or do I need to order another water reservoir?
I noticed and I don't know if this is the same for everyone else but the Algae seemed to grow where the 2 blue lights on the base were.
Algae growing in the bottom of our Keurig only after we started filling the container using the spray hose. Prior to that, no problem and we also use filtered water. We stopped using the hose for a time and problem disappeared until recently and I discovered my house mate started using the hose again also recently. So I'd be interested to know how you fill your Keurig also.
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