Despite my best efforts, the pulp doesn’t always land where I want it to; it spills out from the designated area. as illustrated in the above photo.  If left untreated, the surface of the painting will absorb the colored water, thus creating a permanent stain.  To avoid the stain (I’ll never be able to avoid the recalcitrant pulp spills!), I treat the surface of the in-progress painting with a mixture of water and liquid paper sizing.  I fill a squirt bottle about 3/4 full of water, and then add a 1/4 cup of liquid sizing.  I spray the surface of the painting with this mixture and allow it to dry thoroughly.  This procedure protects the surface from absorbing the colored water as the sizing creates a tension between the water and the surface.  I simply take a rag and apply it to the colored water, and soak it up into the rag.

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