Mediums & Varnishes

Galkyd thins oil colors and increases transparency and gloss. When used in greater proportions with oil color, it will level brushstrokes, creating an enamel-like surface. It is Gamblin's fastest-drying painting medium. Thin layers will be...

Galkyd Lite thins oil colors and increases transparency and gloss. When used in moderation with oil colors, it is more fluid and less glossy compared to Galkyd. Thin layers will be touch-dry in 24-30 hours.

This fluid, solvent-free painting medium gives oil colors more flow and transparency. It has a moderately fast drying rate and increases gloss. Made from safflower oil and alkyd resin, it is non-toxic and contains no Gamsol or petroleum distillates.

Golden® Acrylic Glazing Liquid is a slow-drying acrylic medium originally designed for interior decorative finishes. Blend with artist acrylic paints or house paints to create an incredible variety of color glazes. If you prefer techniques that...

Golden® Acrylic Glazing Liquid is a slow-drying acrylic medium originally designed for interior decorative finishes. Blend with artist acrylic paints or house paints to create an incredible variety of color glazes. If you prefer techniques that...

This isolation coat can be applied to acrylic paintings to unify and protect the surface. Sealing an acrylic painting with an isolation coat prior to varnishing ensures an even application of varnish and provides a layer of protection if/when varnish...

This MSA varnish solvent is designed especially for use with Golden® MSA varnishes. It can be used for tool and paintbrush clean-up and assures clear, clean, even application. This mineral spirit based acrylic (MSA) varnish forms a tougher, less...

Silkscreen Medium 8oz

Brush Cleaner & Restorer - 4 oz. bottle - For dried acrylic, oil, and alkyd colour, this is a non-toxic, biodegradable,nonflammable, non-abrasive, low vapor product that safely and easily cleans both natural and synthetic brushes without damage to...

Distilled Turpentine - 75ml bottle - A fast evaporating, highly refined essential oil with the strongest thinning & brush cleaning power of all Artists' grade solvents.Suitable for removing varnish (including Dammar Varnish).Keep tightly closed and...

Refined Linseed Oil - 75ml bottle - - Winsor & Newton's most popular oil. A low viscosity alkali refined oil of pale colour that dries slowly.Reduces oil colour consistency. Increases gloss & transparency.Add to other oils to slow drying.

OPEN Thinner is designed to thin the consistency of OPEN Acrylics without altering open time and maintain or adjust the workability of colors on your palette. It can also function as a thin-bodied retarder when used with heavy body or fluid acrylics...

Colourless Masking Latex is mostly used for masking techniques. You can use Masking Latex to protect covered areas of paper from paint. Apply with a paintbrush or pen nib. Wash brushes immediately in water. Peel off the latex from the paper once...

This 75ml bottle of Kordofan Arabic gum by MaimeriBlue is specially developed for use with watercolors. A small amount added to your watercolor will enhance shine while aslo increasing the strength of your paint, without affecting paint color. Glass...

This 75ml bottle of Natural Ox Gall by MaimeriBlue is a watercolor medium that improves the flow of paint on your paper. Use to prepare for wet-on-wet techniques without affecting the surface color tone. Provides shine and brightness to your work...

This 75ml bottle of Synthetic Ox Gall by MaimeriBlue is a watercolor medium that improves the flow of paint on your paper. Use to prepare for wet-on-wet techniques without affecting the surface color tone. Provides shine and brightness to your work...

With the Gamblin Ground and Gesso Blade, you get a perfect, even application from edge-to-edge in a fraction of the time, with less mess and no waste. Best of all, it is the first and only artist’s tool made from 100% recycled material. Wipe clean...

Genuine alkali-refined linseed oil. Increases flow, transparency and gloss. Useful as ingredient in painting mediums.   

Our leanest oil painting medium. Can be used to preparing panels for oil painting. Restores saturation and depth of color in dry paintings.

One of the most economical odorless thinners we carry. It is a mild, colorless solvent designed for use with all types of oil paint, varnishes and enamels. It can be used for reducing artists' tube paints, for brush cleaning and degreasing and...

This medium is designed for use with OPEN Acrylics and will stay wet on the palette for extended periods without skinning over. It can be used to extend paint, regulate transparency, create glazes, reduce viscosity or improve adhesion and film...

This medium is designed for use with OPEN Acrylics and will stay wet on the palette for extended periods without skinning over. It can be used to extend paint, regulate transparency, create glazes, reduce viscosity or improve adhesion and film...

This refined linseed oil is the palest of linseed oils. Adding it to colors increases flow and slows dry times. Use sparingly or mix with an equal amount Gamsol to create a traditional slow-drying, low-viscosity painting medium.

Gamsol is the safest solvent that allows artists to work in traditional and contemporary techniques without compromise. It can be used to thin oil colors and painting mediums, and for general studio clean-up. This 100% pure odorless mineral spirit is...

The finest tapered nylon, shaped to precision brushes. They will outlast bristle brushes many times over and they wash clean of acrylic gesso with water.

Gesso brushes are the finest tapered nylon, shaped to precision brushes. They will outlasts bristle brushes many times over and they wash clean of acrylic gesso with water. They are made according to the highest standards using premium grade,...

OPEN Thinner is designed to thin the consistency of OPEN Acrylics without altering open time and maintain or adjust the workability of colors on your palette. It can also function as a thin-bodied retarder when used with heavy body or fluid acrylics. It...