I've been surprised people don't pay more attention to this color. It is my company's color and so it is always in a demonstrator pen (Waterman Kultur I turned into an eyedropper). The ink has absolutely ZERO problems. It can dry in the nib if left for at least a day, but that is because of the pen not the ink. It cleans perfectly, works perfectly on paper great and bad, and is unquestioningly purple. This is my business ink, but it can be used in anything needing purple. It is almost vintage in it's lack of issues in pens.