Notebook, 1993-

MATERIALS & METHODS - Painting - Aqueous Paints - Transparent Watercolor

The Pigments - The Binder - Diluents - Supports & Grounds - Equipment - Care and Display

Transparent Watercolor

Ordinary water is usually employed to thin watercolor. However, in some places the tap water contains mineral salts or other substances that may cause the colors to curdle or behave poorly. Most writers recommend that distilled water be used, but painters tend to use whatever water is easily available. If the washes spread badly, or if smooth paper is used, a little ox gall liquid can be added to the water to allow a smoother application of the colors. If one wants to prevent the first layers of the picture from being picked up or redissolved by subsequent washes of color, a few drops of acrylic tempera medium or polyvinyl acetate emulsion can be added to the water. This will cause the paint to dry to an insoluble layer in a few minutes. [Kay, Reed. The Painter's Guide to Studio Methods and Materials. Englewood Cliffs, NJ: Prentice-Hall, Inc., 1983. pp. 132-133]



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