Art Spectrum Painting Medium No 1 Varnishing Watercolours Blog Surface Preparation Medium Texture: Fluid

Surface Preparation Medium Texture: Fluid Sheen: Matte Relative Opacity: Opaque Application

MM31 Open Medium is formulated to be mixed with either Matisse Structure or Matisse Flow acrylic colours to assist in prolonging drying time while maintaining the consistency of the paint

Adjust ratio to achieve the required viscosity

Matisse Gessoes contain Calcite grounds (calcium carbonate) which help to protect canvas from destructive gases given off by oil paints over their life-span

If you wish to crackle a background and paint a design directly over it

Art Spectrum Painting Medium No 1 Varnishing Watercolours Blog Surface Preparation Medium Texture: FluidThe leanest medium. Ready to use straight from the container. Dries overnight, depending on climate and thickness of paint application. Often an excessive amount of gum turpentine is used as a substitute for a 'lean' medium. Too much gum turpentine 'denatures' the oil paint in these lean layers. This leaves an underbound pigment when the paint dries which weakens the bond between the oil paint and the canvas. Art Spectrum Medium No. 1 contains a