When Handbrühmethode but several things are important: try certainty is announced until the method is well located. Depending on coffee, paper filters, water quantity and amount of coffee powder, but also depending on the "type" of pouring, the coffee tastes sometimes better, sometimes worse, so a few simple tips that I use with the Porzelanfilter and therefore very satisfied with this product'm here.
The Porzelanfilter incidentally on the bottom and a small ring fits and sits thereby on all my pots and cups quite good and stable and can also stand alone without tipping over (eg in the sink).
Tip 1: If only 200ml, filter size 4 sufficiently and Porzelanfilter previously hot swinging (so coffee is not equal too cold)
Tip 2: When the water passes through too slow, there are two possibilities; prematurely taking with low quantity of residual water the filter from the kettle or second: first:
Tip # 3: I put more (in advance) the handle of a stainless steel bread knife between paper filter and Porzelanfilter. Thus, a gap opens over which the brewed coffee to drain more quickly so he does not have time to take the bitter substances.