So I had a really bad day painting today.  I was trying to paint a plate of orange slices.  My colors were muddy, my brush strokes indecisive. And what tipped me off, my medium was gummy. Time for new equipment. I got a new medium jar, a new brush bath, and a new can of solvent, I was almost. out. I'll have to wait until tomorrow to try it again - but tomorrow is another day.