After you have put your drop clothes, paint and tools away admire your handiwork.
Step 15: Get the Un-used Paint Back in the Can
Brush out the tray into the original gallon of paint (the "master can"). You do not have to clean the tray if you use a tray insert (seen in this tray). If you do not have an insert for the tray then you should clean the tray well. Dried paint in the tray could contaminate your next job.