Genso thick sumi ink

Genso thick (200 ml) is a sumi bottled ink produced by Boku in Nara (Japan). You can write with any brush and with the thin traditional ruling pens. Good sharpness with a broad edge nib when writing on a good surface. Non waterproof (it is not water resistant, it may spread more or less depending on the conditions of use). Having said that, it resists wetting on the back of the sheet of paper for the collage according to chinese techniques.