I found this pen yesterday. I think this pen is around 30 years old. Of course it still had the cartridge attached - there's no sense cleaning a pen before you lose it in the bottom of a drawer.
I rinsed it out using a converter. After about 25 cycles with the converter I put a red cartridge on and went nowhere fast. OK, that was probably a little optimistic. I used soap the next time and got the pen writing. It was a little dry, but the red color was coming through and everything seemed fine for this replacement for my $2 gel pens on my desk (for quick notes).
Today I write a few quick notes and note two things: the ink is flowing nicely and it is back to blue.
I assume the red ink rejuvenated the very old ink and I will soon be back to red.
I rinsed it out using a converter. After about 25 cycles with the converter I put a red cartridge on and went nowhere fast. OK, that was probably a little optimistic. I used soap the next time and got the pen writing. It was a little dry, but the red color was coming through and everything seemed fine for this replacement for my $2 gel pens on my desk (for quick notes).
Today I write a few quick notes and note two things: the ink is flowing nicely and it is back to blue.
I assume the red ink rejuvenated the very old ink and I will soon be back to red.