InktendInktend / Ink library / Tanghulu
Tanghulu
Taipei-made dye inks that bottle Taiwan's hidden landscapes, flowers and cat-filled daily life.
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Paper & pairing
Reds and pinks show the most dramatic shading of any color family: expect real variation between the edges and center of each letter. This ink will behave predictably on most fountain-pen-friendly paper. Cheap, highly absorbent paper (standard copier paper) will dull any ink's saturation and can cause feathering or bleed-through with wetter nibs.
About Ink Institute
Ink Institute is a Taiwanese fountain pen ink line created by Juspirit, a stationery company in Taipei. Its inks draw on Taiwanese landscapes, flora and everyday life, released in themed collections such as Taiwan's Secret Land, the flower-inspired Meander series and the Cat Daily series. The brand emphasizes well-behaved dye inks that are easy to clean and beautiful on paper.
Storing and using the bottle
Bottled fountain pen ink has an effectively long shelf life when kept capped and out of direct sunlight: most inks remain usable for years. The main risk isn't the ink spoiling, it's a pen sitting inked and unused for weeks: that's what causes clogs, not the ink's age.
Frequently asked questions
Similar shades By colour distance
Color shown is a close digital approximation of a typical swatch, not a calibrated color match.