Here is my review for Diamine Vermillion ink Flow Rate: Very good, quite wet in broader nibsLubrication: Good on several different papers, very good with broad nibs.Nib Dry-out: Not noticed.Start-up: Immediate.Saturation: Quite saturatedShading Potential: Lots of shading seenSheen: Not seenShow-Through: Tomoe River 52gsm and 68gsmCheaper generic 80gsm printer papers & lined pads.Field NotesOxfordSilvineRhodiaStrathmoreSpread / Feathering / Wooly Line: Wooly line seen occasionally on Field Notes with B nibNib Creep / “Crud”: Not seen, even after several days in the penStaining (pen): Not seen - easy clean-upStaining (hands): Not seen - easy clean-upClogging: Not seen. Seems unlikely.Water resistance: Not at all water resistantAvailability: Available from Diamine Inks web-site and other outlets. 30ml plastic or 80ml glass bottles.