I cleaned up my studio a bit, and reclaimed some of the Yupo I painted for the challenge. I washed the sheets with warm water and just a drop of soap. As you can see, some colors stain more than others. Prussian Blue gouache being one of them.
I may not be able to reuse these for finished paintings, but I can use them to practice strokes, or for color mixing. You can see one on the right, that warped when I used the heat gun on it.
I’ll tell you a secret though, two of the heart paintings I did also warped, but they scanned as if there was no damage.
You can’t see it, can you? I just have to remember not to get in such a hurry and let things dry on their own. Now I’m ready to put brush to Yupo, again! Paint, wash, repeat!