Sometimes water just isn't enough, and you need a pen flush to clean out your fountain pen. Whether it's an old pen with dried up ink in it, a stubborn ink that just wants to wear out its welcome, or a new pen that you want to be sure is in tip-top shape before you ink it up for the first time, pen flush will help to make sure your pen is as clean as can be. This video explains the Goulet pen flush system and how to best incorporate it into your pen cleaning regimen.