This powder is what I use to make my own Gum Arabic solution to make watercolour pans and inks from pigments!, See below for the downloadable recipe
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Best Gum Arabic Mediums for Watercolors for Precision –
Gum Arabic Powder - Natural Earth Paint
Winsor & Newton Gum Arabic is a versatile and high-quality medium that can be used for a variety of artistic applications. This 75ml bottle contains a
Gum Arabic - 75ml bottle
Watercolour Binder Handmade Gum Arabic & Honey Binder for Watercolor Paint 100ml for Paintmaking, Painting, Use With Pigment, Vegetarian
DIY Watercolor Paint from Plants
Kordofan Gum Arabic Solution