There is a web site, Glenn's Pens that is a great source of information on inks. It explains everything you would to know from reviews of almost ever ink to how to mix to what acid and alkaline levels means. You can find the web site here. GLenn's Pens - Fountain Pen Ink
I wish the mods would see fit to pin this for easy reference.
I wish the mods would see fit to pin this for easy reference.