2. After Su Mo poured it out overnight or even a few days later, some ink had dried up and scabbed, which made the ink thicker, and dregs were produced because of the dry knot, which made it black and layered. People who are good at using it can give full play to this feature.
3. Some painters like to paint with Su Mo, which is only individual, because the words written by Su Mo may lead to more serious ink painting.
Su Mo, the scientific name of Chinese painting. It was first seen in Lin Zhi by Guo in the Northern Song Dynasty, and there is a saying of "seven methods of using ink". Su Mo is one of the seven laws. Refers to the ink in the inkstone. When Su Mo began to degum, it was thick and black, with water (sloppy) next to it, pen marks still existed and misty rain.