One of the pleasures of writing with a fountain pen is the option of ink selection. Here are some of my inks of note, the inks I tend to use the most.
Diamine Ink - Blue - Glenn's Pens
Blue Inks of Note - Glenn's Pens
Glenn's Pens - Ink - Montegrappa
Ink - Glenn's Pens
Ink Review #629: Montegrappa Blue Black — Fountain Pen Pharmacist
Blue-Black Inks of Note - Glenn's Pens
Glenn's Pens - Pen Views - Gifts for persons using fountain pens
Uniball Roller Ball Stick Pens, Micro Point (0.5mm), Blue Ink, 12 Count
Blue-Black Inks of Note - Glenn's Pens
Blue Inks of Note - Glenn's Pens
Ink Brands - Glenn's Pens