Ask for medium roast, not light. You might like dark roasts, especially if you drink with milk or fakemilk.
There are two kind of "sourness" in coffee, one is of acidity, which is a (for some highly desirable) feature of the beans, which can be toned down with darker roasting levels. The other is astringency (tea-like) which is a sign of extraction defect and generally not liked by all. This can be controlled with grind settings.
There are two kind of "sourness" in coffee, one is of acidity, which is a (for some highly desirable) feature of the beans, which can be toned down with darker roasting levels. The other is astringency (tea-like) which is a sign of extraction defect and generally not liked by all. This can be controlled with grind settings.