Best watercolor brushes. Worst watercolor brushes. There are LOTS of brands of brushes that I have not had the pleasure to try. This review is about the ones I did. Princeton Neptune, Silver Black Velvet, Blick Masterstroke Finest Red Sable, Fibonacci, da Vinci Cosmotop Spin, Rosemary and Co. I show you my watercolor brushes and reveal how I feel about them. I even show you my LEAST FAVORITE brush.