Some colors will go to cone 10 oxidation. The first coat is translucent. The second is semi-opaque. Three coats give bisque full coverage. All are non-toxic.
Colors are easy to choose in harmonizing shades.
Stay in either the light, the bright, or the dark category and they will match in intensity. Cover-Coats fire to an opaque, porous matte finish. A clear glaze finish is used to seal the porous surface and to brighten the underglaze colors. Colors shine with polishing technique which is done by completing application, mixing a further quantity of the color half and half with water, and applying to small sections of the piece at a time. Just as the wet look disappears, polish briskly with a soft cloth.