Today I'm reviewing Diamine Warm Brown ink Flow Rate: Good. Feels wetter and looks more saturated in broader nibsLubrication: Good on several different papers.Nib Dry-out: Not noticed.Start-up: Immediate.Saturation: Not a saturated inkShading Potential: Very goodSheen: Not seenShow-Through: Tomoe River 52gsm & 68gsm.Cheaper generic 80gsm printer papers & lined pads.Field NotesThe reverse of the image shows more show-through than is actually present on the paper. Spread / Feathering / Woolly Line: Seen on Field Notes.Nib Creep / “Crud”: Not seen, even after over a week in the penStaining (pen): Not seen - easy clean-upStaining (hands): Not seen - easy clean-upClogging: Not seen. Seems unlikely.Water resistance: Not sold as waterproof, but is water resistant.Availability: Available from Diamine Inks web-site and other outlets.