1, less glue for ink grinding, smoother pen. There is a lot of glue in the ink, so it is difficult to transport the pen, and it is not black after adding water.
2, grinding ink color is more beautiful! Besides, the more you play it, the better it looks. The color of ink is often dead black, and there are many changes in ink.
3. Grinding ink is more suitable for paper. A lot of rice paper is written in ink, but it is written in grinding ink. There are some processed paper, because the surface is smooth, ink can't be written, but it can be written by grinding ink, because the particles of grinding ink are finer.