Stack Lead White Michael Harding Oil Colour Cold Pressed - Medium dark washes with a clean

dark washes with a clean

Many other brands of gouache are "designer" gouaches

and mixed media

Interference Green is a glimmering and transparent emerald when glazed over dark colours or painted directly onto black paper

The 7700 Series is used commonly for decorative techniques however they have become popular with artist of all styles to apply broad areas of colour for blocking in or expressive mark making

Stack Lead White Michael Harding Oil Colour Cold Pressed - Medium dark washes with a cleanFor my stack Lead White process I take strips of lead and hand roll them into spirals and place them in small clay pots where they stay suspended above a small amount of vinegar. The pots then are buried beneath mounds of steaming, biologically active horse dung. The chemistry is simple: vapours of acetic acid from the vinegar first corrode the lead creating a coating of lead acetate, then carbonic acid from the warm horse dung converts the white