Chek Sui is a muted dark chromoshading ink with a mix of red and blue shading.
Chek Sui or Chisui is a city in Guizhou Province of China, bordering Sichuan to the north and west.
Hosia Ink Studio specialises in extremely high shading dye based inks recommended for use with brush and dip pens to best show off the range of colours which change as they dry.
