Acrylic Pour on a Terracotta Flower Pot (Clean Pour method). Here are the basic steps: 1. I primed this with white primer (not necessary, I just wanted a white background) 2. Pour paint onto flower pot in whatever order and whatever colors you'd like (see my paint mix ratio below) 3. Once done applying paint, let it drip for about 5 minutes 4. Move flower pot off of canvas, set it to the side to finish drying and make a painting out of the canvas 5. Once flower pot is fully dry (it takes about a