3 Oysters Cool Gray (38ml) Bottled Ink (Delicious) pen store glowing color — Ultramarine Blue

glowing color — Ultramarine Blue

Surface Tension: 60

3 Oysters Haneul Bottled Ink is a sky blue with a red haloing effect

3 Oysters Aqua Green Bottled Ink is a bright blueish green with high shading and a red haloing effect

BENU Talisman Mandrake Fountain Pen

3 Oysters Cool Gray (38ml) Bottled Ink (Delicious) pen store glowing color — Ultramarine Blue3 Oysters Delicious Cool Gray Bottled Ink is a warm gray with large amounts of yellow undertone and shading. 3 Oysters Inks are from South Korea. The unique 38ml glass bottle design has an angled facet on one corner so it can be pivoted for easier access to fill from the bottom of the bottle. All colors are pH neutral, made from ionized water based dyes, and are non permanent. 3 Oysters inks are wetter than average inks and flow well.