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A comment on Pen Refills Guide. Parent comment

Re:Pen Refills Guide by wlesieutre on Tuesday July 23, 2019 @03:30PM (#20509516)
Sounds like someone needs a Conid with the sealed ink reservoir ;)
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Re:Pen Refills Guide by wlesieutre on Friday July 26, 2019 @02:52PM (#20537355)
Past edit window, but TWSBI Vac Mini is another (much cheaper) one that can seal the nib off from the reservoir.

Since air expansion in the reservoir is why low pressure pushes ink out the front, a seal between reservoir and the feed means they're safer to fly with.

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