Gum Arabic Solution is just one of the Watercolour Mediums to compliment A J Ludlow’s Professional Watercolour range. Made in the UK using the same fine quality materials we use to make our watercolours. A J Ludlow’s Gum Arabic solution is supplied at a high concentration and can be used neat or diluted with water. Addition of Gum Arabic solution will increase the transparency and brilliance of watercolours.