No. You can use the Keurig without a water filter and use tap water, if you wish. I use filtered water from my fridge, or purified bottled water (which is more pure that tap water). It has more to do with eliminating any bad taste in the water than anything functional on the brewer. Does … Read more
Most of the keurig coffee makers that are on the market do work with a replaceable water filter that is sold separately. However, not all of them do While a majority of the options you can choose from these days are compatible with the Keurig filters you can purchase aftermarket, one of the most popular … Read more
Using a Cafe Supreme k cup reusable coffee filter for the Keurig K Supreme and K Supreme Plus allows you to brew your own single-serve cup of coffee from freshly-grinded coffee beans of your choice! Can I use my own coffee with Keurig K Supreme Plus? A: Thanks for your question. The k-supreme plus coffee … Read more