Four Blue Inks
8:28
Waterman Serenity Blue | Why Did I Wait So Long To Try This Ink
19:27
Another Four Blue Inks
20:14
Penultimate Dave Favourite Blue Inks Comparison #1
10:21
My Top 5 Blue Inks in 2022
14:57
Diamine 'Royal Blues' Ink Comparison (Pulp Addiction Ink Sample Set)
6:19
Pelikan 4001 Blue-Black | Could This Be My New Favorite Blue?
13:10
Blue Inks Comparison #4
4:10