ITEM NAME:Chinese Japanese Calligraphy Writing Brush Painting ink stick Tool FourTreasureZ a.imagelink a:hover.imagelink {color:#174d96;.Water was usually kept in a ceramic container and sprinkled on the ink stone. Don't use half ground ink. If gray stone is needed, add water to dilute it. Material: ink stick. 1x Ink Stick. Washout any left over ink; using overnight ink will produce inferior tones.