You make sure that the Prang is almost but not quite 1/2 paint, 1/2 water.
Students still have to be careful not to stroke over paint that's already
been applied-like watercolors, it will turn to mud.
At 06:20 AM 10/12/05 -0700, you wrote:
>How do you do additive with watercolor? How do you
>make the colors opaque enough to layer?