Rublev Colours® Watercolor Mediums include the same mediums used by watercolor masters of the 17th to 19th centuries.

Watercolor Mediums

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  1. Watercolor Medium

    As low as $14.30
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  2. Ceracolors Fluid Medium

    As low as $19.00
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  3. Hydrogel

    $12.10
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  4. Glycerin

    As low as $7.60
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  5. Gum Arabic Powder

    As low as $17.10
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  6. Guar Gum

    As low as $4.50
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Watercolor Mediums 

Is There Anything New In Watercolors?Is There Anything New In Watercolors?
Rublev Colours Potter's Pink Watercolor

Natural Pigments gives today’s artists new choices by making watercolor paint simple again. Rublev Colours Watercolors provide a new selection of colors by restoring natural and historical pigments to the artists’ palette. Rublev Colours Watercolors are made with the same pigments used by watercolor masters of the seventeenth to nineteenth centuries. The colors are genuine single-pigment paints available individually in tubes and cakes.

Natural PIgments makes Rublev Colours Watercolors in small batches using gum arabic and sugar syrup, which were the essential ingredients in watercolors of past centuries. There are no other additives to alter the characteristics of each color. Without modern additives, these paints have a noticeably different consistency and appearance.

Rublev Colours Watercolors are made by Natural Pigments. Please read our description of Rublev Colours Watercolors for more information. For information about the permanence and composition of Rublev Colours Watercolors, visit Watercolors Composition and Permanence.

Visit our Swatch and Pigment guide for details on Rublev Colours Watercolors hand-painted color swatches and where to find pigment information.

Frequently Asked Questions

What medium do you use for watercolor?

Traditional mediums include gum-water, watercolor medium, watercolor gel, watercolor megilp, wetting agent (such as ox gall), and glycerin. Gum arabic is the binding agent in watercolor; if you add more gum arabic to paint, you will lessen the spread of color when you paint wet-in-wet.

Why is honey used in watercolors?

Honey is an ingredient in many watercolor brands. It is a humectant that helps the paint retain moisture and re-wet after drying.

What does glycerin do to watercolor?

Glycerin (also called glycerol or spelled glycerine) is a plasticizer and humectant that is added to glues and starches to make them more flexible and prevent cracking. Glycerin helps watercolor to remain wet longer on the palette.

What does gum arabic do for watercolor?

Gum arabic is the traditional binder in watercolor paint, although commercial watercolor paints contain dextrin, starch, or other gums.

What is ox gall, and how is it used with watercolors?

Ox gall is gall, usually obtained from cows, that is an ingredient in bile soap mixed with alcohol and used as a wetting agent in paper marbling and watercolors. Most preparations today named "ox gall" are synthetic surfactants or surface active agents used in watercolor as a wetting agent or dispersant to improve flow and aid in wetting your paper.

What does adding salt to watercolor do?

Salt acts as a resist. Salt pushes the watercolor paint away and thus causes a lighter spot to be surrounded by a darker shade.

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