Hello, FP friends. My wife gave me a bottle of Diamine Shimmertastic "Purple Pazzazz" for my birthday. I'd heard these inks can be finicky, so I didn't want to load it into one of my existing pens, all of which are unusual fillers or finer nibs. So, I bought a Kaweco Classic demonstrator with a broad nib, since it was inexpensive and I thought it would be neat as an eyedropper loaded with this shimmery ink. I loaded the pen, and I have to say the experience has been disappointing. Initially, there was good distribution of the gold fleck onto the written page, at least for the first few letters in a sentence. Giving the pen a gentle shake would help "recharge" the fleck, and I could get a few more letters with shimmer. That was fine, as I really didn't expect this to be for everyday writing anyway. However, now I get no gold fleck at all. no matter how I shake, rattle and roll the pen before writing. There's still gold fleck in the barrel, but none comes out of the nib in writing. It's just purple. Any idea what might be wrong? I'm going to disassemble and clean the pen, but figured I'd ask. Did I choose the wrong pen for this shimmery ink? Thanks!