1, make a cup of black tea to make it light in color.
2. Prepare the brush assembly or brush assembly for cleaning.
3. Spread the white paper flat on the table, dip it in black tea water with a combination brush and dye it on the paper.
4, or you can pour colored water into a spray bottle for spray dyeing, which is more uniform.
When it is naturally dried, the color of the paper is yellowish brown, and it becomes an old document.