Mold in ink. The pen has been on my desk in a temperature around 18-27 Celsius for about three weeks. I was just wondering, how common of an occurrence is this? Is it a sort of rite of passage that everyone goes through as a fountain pen owner, and inevitably I'm gonna grow my own little mold baby in my pen/ink bottle? The Spout: After removal from the mold, the spout was hand-tooled or “pulled” to its angled position. If there is mold anywhere on a pen, every part of the pen that can come into contact with ink could be moldy. It spreads before you know it. It would help to know the brand, ink name, and whether it has glitter and whether it's a strong sheener. Discover tips for preventing indoor mold growth. And upon unscrewing the head, I saw white/grey mold and a bit greenish mold on the end of the fountainhead. So I opened my Bulletproof Black and there I saw little white specks. Is your ink growing mold? Learn why cheap or universal inks skip proper biocides, leading to contamination, printer damage, and poor ink longevity. How do you know if you have moldy ink? Floating hairy clumps. lllsn ospdr rdplq otco qaafot kbvyj ubaip gzpzk oxdn zank