Requin Renard
Compatible inks for the Requin Renard glass pen
Not all inks flow in the same way. A fluid, water-based formulation helps reduce the risk of clogging the capillary channel and makes cleaning easier. The tables below list the inks we have tested or that have been recommended to us.

Colored inks
Compatible inks
Unless otherwise stated, the inks in this table have been tested in our workshop.
| Brand | Name / Range | Type | Notes |
|---|---|---|---|
| LAMY | T 53 Crystal Ink Ruby | Water-based ruby red fountain pen ink | Very fluid. Particularly well suited to the pen. |
| Ecoline | Watercolor ink | Water-based liquid ink | Vivid colors and good flow. |
| Jacques Herbin | Non-shimmer watercolor inks | Water-based liquid ink, sans particules | Fluid. Do not use shimmer, glitter, or pearlescent versions. |
Black inks
Compatible inks
Unless otherwise stated, the inks in this table have been tested in our workshop.
| Brand | Name / Range | Type | Notes |
|---|---|---|---|
| LAMY | T 53 Crystal Ink Obsidian | Water-based black fountain pen ink | Fluid. This is the ink we prefer for everyday use with the Requin Renard glass pen. |
| Pébéo | Indian Ink | Water-based India ink | More demanding to use. Clean the pen promptly after use and avoid letting the ink dry in the open air. |
| Rougier & Plé | India Ink | Water-based India ink | More demanding to use. Clean the pen promptly after use and avoid letting the ink dry in the open air. |
| Lefranc Bourgeois | Nan King | Water-based India ink | More demanding to use. Clean the pen promptly after use and avoid letting the ink dry in the open air. |
Guidance
Recommended / avoid
Recommended
Fluid watercolor inks, water-based fountain pen inks, and particle-free formulations.
Avoid
Acrylic, metallic, glitter, shimmer, gelled, very thick, or heavily pigmented inks.
