https://www.dickblick.com/items/winsor-newton-watercolor-mediums-texture-medium-75-ml-bottle/
Winsor & Newton Watercolor Mediums - Texture Medium, 75 ml bottle | BLICK Art Materials
winsor newtonwatercolor mediums
https://www.dickblick.com/categories/painting/mediums/watercolor/
Watercolor Mediums | BLICK Art Materials
Find a variety of watercolor mediums at Blick. Watercolor mediums change the characteristics of the paint or surfaces you're painting on.
watercolor mediumsblick artmaterials
https://www.officedepot.com/a/products/482782/Winsor-andamp-Newton-Watercolor-Gum-Arabic/?pr=
Winsor Newton Watercolor Gum Arabic Mediums 75 mL Pack Of 2 - Office Depot
Can be diluted with water for added efficiency