When it comes to your own taste in coffee, it changes from person to person, each one has a particular taste if you are a lover of drinking coffee daily, it also changes the taste of the same coffee bought a few days ago and ground to have a grinder of coffee and grind the coffee before preparing it changes 100/100 the taste and aroma of it on tastes there is nothing said yet greetings.
I did not understand you say that the machine would leave forever with a bad taste because the sugar stuck from the filter holder cannot be cleaned.