The manufacturer recommends cleaning the coffee machines after 100 brewing cycles, i.e., after every pack of paper filters. Clean Drop cleaning agent is recommended for cleaning. This gently and effectively removes deposits in the water tank and water flow, ensuring long-lasting, delicious coffee. A Clean Drop sachet for testing is included with most machines.
By the way, a hint about how long the best coffee enjoyment is guaranteed: You shouldn't use the coffee pot to fill your Moccamaster, as it always leaves coffee residue behind, which will eventually contaminate the machine. Instead, use a separate measuring cup.