Like every other painting medium, watercolors have their own set of quirks that you’ll have to learn if you’re going to successfully control them. One of those quirks in particular is the tendency for pigment to spread into other sections of your paper than you originally planned on. This is especially problematic while painting wet-in-wet.
Take a look at the video below to see how Mark Mehaffey deals with this problem:
NOTE: You can get Mark’s full watercolor tutorial at Creative Catalyst.
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