Have one of these? 

No charge fountain pen cleaning Flush & Test from Your Friends at Colorado Pen* 

Let’s get that treasured fountain pen back into service. Let Colorado Pen clean the pen’s nib and feed, flush with clean fluid, and then test with a color of your choice. Your cost? Simply the shipping back to you. *The return shipping charge is $5 for up to two pens. Let’s get writing.

Print our 'Fountain Pen Cleaning Form' to get started.