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Buy 3 & get a 4th Free on Winsor & Newton Cotman Watercolour 8ml, offer ends Fri 22 March!

Buy 3 & get a 4th Free on Winsor & Newton Cotman Watercolour 8ml, offer ends Fri 22 March!

Fluid Mediums

Discover a whole new world of Fluid Mediums with ArtStore Online. At ArtStore Online, whether you are an avid painter, illustrator or a complete beginner, we will strive to help you with whatever you're after! We strive to bring you the best Fluid Medium brands available, and have a wide range of art & craft supplies from trusted and respected brands from around the world, including Archival Oils, Art Spectrum, Atelier, Derivan, Gamblin, Golden, Jo Sonja, Langridge, Liquitex, Matisse, Winsor & Newton and more!        
  • Original price $26.25 - Original price $165.00
    Original price
    $26.25 - $165.00
    $26.25 - $165.00
    Current price $26.25

    Winsor & Newton Liquin Original

    The reliable favourite which continues to be our most popular liquid alkyd medium. A general purpose low gloss medium which improves flow and trans...

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    Original price $26.25 - Original price $165.00
    Original price
    $26.25 - $165.00
    $26.25 - $165.00
    Current price $26.25
  • Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50

    Golden GAC 100 (Multi Purpose Acrylic Polymer)

    Golden GAC 100 - Multi-Purpose Acrylic Polymer is a sealer that helps prevent Support Induced Discoloration (SID) caused by impurities that are dra...

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    Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50
  • Original price $11.50 - Original price $54.25
    Original price
    $11.50 - $54.25
    $11.50 - $54.25
    Current price $11.50

    Art Spectrum Refined Linseed Oil

    Small amounts of Art Spectrum® Refined Linseed Oil added to oil paint will enhance flow and slow drying. This is particularly useful for 'alla prim...

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    Original price $11.50 - Original price $54.25
    Original price
    $11.50 - $54.25
    $11.50 - $54.25
    Current price $11.50
  • Original price $29.75 - Original price $169.00
    Original price
    $29.75 - $169.00
    $29.75 - $169.00
    Current price $29.75

    Golden Gloss Medium

    Gloss Medium (formerly Polymer Medium Gloss) is an acrylic liquid medium useful for creating glazes, extending colors, enhancing gloss and translu...

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    Original price $29.75 - Original price $169.00
    Original price
    $29.75 - $169.00
    $29.75 - $169.00
    Current price $29.75
  • Original price $27.55 - Original price $171.00
    Original price
    $27.55 - $171.00
    $27.55 - $171.00
    Current price $27.55

    Atelier Pouring Medium

    Pouring is a fantastic new acrylic technique and now with Atelier Pouring Medium it is even easier and more fun! Simply mix it with any artist...

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    Original price $27.55 - Original price $171.00
    Original price
    $27.55 - $171.00
    $27.55 - $171.00
    Current price $27.55
  • Original price $22.25 - Original price $205.00
    Original price
    $22.25 - $205.00
    $22.25 - $205.00
    Current price $22.25

    Liquitex Gloss Mediums

    Liquitex Gloss Medium (previously Gloss Medium & Varnish) improves adhesion and protects painting. Fluid Painting Medium Texture: Fluid Shee...

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    Original price $22.25 - Original price $205.00
    Original price
    $22.25 - $205.00
    $22.25 - $205.00
    Current price $22.25
  • Original price $19.95 - Original price $45.00
    Original price
    $19.95 - $45.00
    $19.95 - $45.00
    Current price $19.95

    Gamblin GALKYD Medium

    Contemporary Oil Painting Medium Galkyd is an alkyd resin painting medium that increases the fluidity of oil colours and speeds their drying time. ...

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    Original price $19.95 - Original price $45.00
    Original price
    $19.95 - $45.00
    $19.95 - $45.00
    Current price $19.95
  • Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50

    Golden Airbrush Medium

    Airbrush Medium modifies GOLDEN Fluid Acrylics for spray application by reducing clogging and tip buildup during spraying. Recommended for spraying...

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    Original price $28.50 - Original price $142.50
    Original price
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    $28.50 - $142.50
    Current price $28.50
  • Original price $13.45 - Original price $13.45
    Original price
    $13.45
    $13.45 - $13.45
    Current price $13.45

    Jo Sonja 250ml Flow Medium

    Use Jo Sonja's Flow Medium to thin Jo Sonja's Artists' Colours and mediums. (Not recommended to be used with Crackle Mediums and varnishes).Water ...

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    Original price $13.45 - Original price $13.45
    Original price
    $13.45
    $13.45 - $13.45
    Current price $13.45
  • Original price $28.50 - Original price $142.50
    Original price
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    $28.50 - $142.50
    Current price $28.50

    Golden Colour Pouring Medium (Gloss)

    Golden have recently announced a change to GAC 800, it has been replaced by their purpose-built Color Pouring  Mediums in Gloss or Matte. Mix Fluid...

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    Original price $28.50 - Original price $142.50
    Original price
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    $28.50 - $142.50
    Current price $28.50
  • Original price $51.45 - Original price $338.00
    Original price
    $51.45 - $338.00
    $51.45 - $338.00
    Current price $51.45

    Liquitex Gloss Pouring Medium

    Pouring Medium creates puddles and pours sheets & is perfect for acrylic pours. Effects Painting Medium Texture: Fluid Sheen: Glossy Relati...

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    Original price $51.45 - Original price $338.00
    Original price
    $51.45 - $338.00
    $51.45 - $338.00
    Current price $51.45
  • Original price $13.50 - Original price $67.25
    Original price
    $13.50 - $67.25
    $13.50 - $67.25
    Current price $13.50

    Langridge Low Toxic Painting Medium

    Low Toxic Solvent based fluid medium for improved paint handling. Reduces exposure to harmful solvents. Perfect for wet on wet technique. The medi...

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    Original price $13.50 - Original price $67.25
    Original price
    $13.50 - $67.25
    $13.50 - $67.25
    Current price $13.50
  • Original price $9.85 - Original price $99.95
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    $9.85 - $99.95
    $9.85 - $99.95
    Current price $9.85

    Archival Oil Painting Odourless Lean Medium

    Is a very fluid general purpose medium for reducing paint viscosity, and can be used at all stages in a painting which does not need gels. It can a...

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    Original price $9.85 - Original price $99.95
    Original price
    $9.85 - $99.95
    $9.85 - $99.95
    Current price $9.85
  • Original price $22.25 - Original price $205.00
    Original price
    $22.25 - $205.00
    $22.25 - $205.00
    Current price $22.25

    Liquitex Matte Medium

    Matte Medium increases fluidity and reduces sheen. Fluid Painting Medium Texture: Fluid Sheen: Matte Relative Opacity: Transparent Creates a ...

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    Original price $22.25 - Original price $205.00
    Original price
    $22.25 - $205.00
    $22.25 - $205.00
    Current price $22.25
  • Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50

    Golden GAC 500 (Extends Fluid Acrylics)

    GAC 500 Golden Extends Fluid Acrylics for a unique balance of film hardness and flexibility offering increased leveling, increased mar resistance a...

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    Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50
  • Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50

    Golden Fluid Matte Medium

    Fluid Matte Medium is useful for extending colors, decreasing gloss and increasing film integrity. Particularly useful with GOLDEN Fluid Acrylics t...

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    Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50
  • Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50

    Golden Matte Medium

    Matte Medium is a pourable medium useful for extending color, decreasing gloss and increasing film integrity. It is also used as a nearly clear gro...

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    Original price $28.50 - Original price $142.50
    Original price
    $28.50 - $142.50
    $28.50 - $142.50
    Current price $28.50
  • Original price $22.25 - Original price $22.25
    Original price
    $22.25
    $22.25 - $22.25
    Current price $22.25

    Liquitex Flow Aid Additive

    Liquitex Flow Aid Additive 118ml that improves acrylic paint flowEffects Painting AdditiveTexture: FluidSheen: SatinRelative Opacity: TransparentSi...

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    Original price $22.25 - Original price $22.25
    Original price
    $22.25
    $22.25 - $22.25
    Current price $22.25
  • Original price $16.50 - Original price $16.50
    Original price
    $16.50
    $16.50 - $16.50
    Current price $16.50

    Atelier Liquefying Medium 250ml

    Liquefying Medium Is a low viscosity acrylic extender. For fine detail, stir into paint creating a 50/50 mixture or until desired viscosity is rea...

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    Original price $16.50 - Original price $16.50
    Original price
    $16.50
    $16.50 - $16.50
    Current price $16.50
  • Original price $45.75 - Original price $169.00
    Original price
    $45.75 - $169.00
    $45.75 - $169.00
    Current price $45.75

    Golden High Flow Medium

    Golden High Flow Medium (Formerly Airbrush Transparent Extender) increases the transparency and film hardness of High Flow Acrylics. 100% acrylic m...

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    Original price $45.75 - Original price $169.00
    Original price
    $45.75 - $169.00
    $45.75 - $169.00
    Current price $45.75
    Sold out
  • Original price $13.50 - Original price $67.25
    Original price
    $13.50 - $67.25
    $13.50 - $67.25
    Current price $13.50

    Langridge Artist Painting Medium

    Langridge Artist Painting Medium Free-flowing medium for oils that improves paint handling. Quickly dries to a tack but remains fresh so that it ma...

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    Original price $13.50 - Original price $67.25
    Original price
    $13.50 - $67.25
    $13.50 - $67.25
    Current price $13.50
  • Original price $27.75 - Original price $27.75
    Original price
    $27.75
    $27.75 - $27.75
    Current price $27.75

    Winsor & Newton Artisan Fast Drying Oil Medium 75ml

    This is a fast drying medium that improves the flow and speeds the drying of Artisan oil colours, smoothes brushwork and increases gloss and transp...

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    Original price $27.75 - Original price $27.75
    Original price
    $27.75
    $27.75 - $27.75
    Current price $27.75
  • Original price $18.75 - Original price $57.25
    Original price
    $18.75 - $57.25
    $18.75 - $57.25
    Current price $18.75

    Matisse Artist Acrylic Painting Medium

    MM9 Acrylic Painting Medium is a pure acrylic binder used in formulating Matisse Colours and acts as the principal paint 'dilutant' when not using ...

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    Original price $18.75 - Original price $57.25
    Original price
    $18.75 - $57.25
    $18.75 - $57.25
    Current price $18.75
  • Original price $19.75 - Original price $63.95
    Original price
    $19.75 - $63.95
    $19.75 - $63.95
    Current price $19.75

    Matisse Artist Polymer Varnish (Matte)

    Matisse Artist Polymer Varnish (Matte) MM6 serves both as a matte finishing varnish and as a glossy satin additive to the paint. Mixed with Acrylic...

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    Original price $19.75 - Original price $63.95
    Original price
    $19.75 - $63.95
    $19.75 - $63.95
    Current price $19.75

Discover a whole new world of Fluid Mediums with ArtStore Online.

Browse through our extensive range of Fluid Mediums. Whether you are an avid painter, illustrator or a complete beginner, we will strive to help you with whatever you're after!

At ArtStore Online, we strive to bring you the best Fluid Medium brands available, and have a wide range of art & craft supplies from trusted and respected brands from around the world, including Archival OilsArt SpectrumAtelierDerivan, GamblinGoldenJo Sonja, LangridgeLiquitexMatisseWinsor & Newton and more!