- #1
proshenn
- 4
- 1
I want to try to use neutral pen and ink to fill with all the gel pen refill
But oil-fill plug, what won't and you want to use ink compatible?
Oil is the plug at the end pen ink, back or prevent ink evaporation.
Google queries to be only lithium ester, but not too much formula
But oil-fill plug, what won't and you want to use ink compatible?
Oil is the plug at the end pen ink, back or prevent ink evaporation.
Google queries to be only lithium ester, but not too much formula