Explore the range of Jo Sonja Mediums to take your paintings and techniques to the next level from preparation, to special effects, to finishing. If you want to paint on canvas, wood, cork, fabric, candles, or soap; if you want to add texture, sparkle, gold leaf, or crackle effects; if you want to glaze, double load, float, or pour – these Jo Sonja Mediums can help you do it.

  • Jo Sonja All Purpose Sealer

    Use Chroma's Jo Sonja All Purpose Sealer for surface preparation and to provide maximum adhesion of paint to surface. May be used alone or mixed with paint to provide a…

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  • Jo Sonja Clear Glaze Medium

    Use Chroma's Jo Sonja Clear Glaze Medium as a light sealer for surface preparation or apply between layers as a barrier coat during painting. Can also be used as a…

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  • Jo Sonja Polyurethane Water Based Varnishes

    Chroma's Jo Sonja Polyurethane Water Based Varnishes provide a protective coating of exceptional toughness for indoor and outdoor use. These quick drying formula varnishes are non-yellowing, have beautiful brushability and…

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  • Jo Sonja Textile Medium

    Chroma's Jo Sonja Textile Medium allows permanent non-fading painting on natural and non-synthetic fabric.

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  • Jo Sonja Opal Dust

    Jo Sonja Opal Dust contains tiny light reflecting, holographic particles that create an interplay of colours reminiscent of rare gems.

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  • Jo Sonja Gold Dust

    Chroma's Jo Sonja Gold Dust is a clear gel containing tiny light reflecting particles with the brilliance of rich gold.

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  • Jo Sonja Brush Soap & Conditioner

    Chroma's Jo Sonja Brush Soap and Conditioner superb soap for cleaning and maintaining fine natural or synthetic fibre brushes. Returns essential oils to the hair and bristle so elasticity is…

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  • Jo Sonja Cork Sealer

    Use Chroma's Jo Sonja Cork Sealer to seal most porous surfaces in preparation for painting. Ideal for providing long lasting protection for decoys by reducing chipping and degradation of the…

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  • Jo Sonja Crackle Medium

    Use Chroma's Jo Sonja Crackle Medium to create a fine crackle pattern over a basecoat colour or a completed painting. Crackle pattern will vary depending on the thickness of the…

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  • Jo Sonja Décor Crackle Medium

    Chroma’s Jo Sonja Décor Crackle is a sandwich crackle medium for application between layers of paint. The top colour separates to reveal base colour giving the appearance of aged paint.

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  • Jo Sonja Fast Drying Glaze Medium

    Chroma's Jo Sonja Fast Drying Glaze Medium can be used as a light sealer, for basecoats and as a general, matte painting medium.

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  • Jo Sonja Gel Retarder

    Chroma's Jo Sonja Gel Retarder delays the drying time of paint without thinning it, allowing for the blendability of oils with the ease of acrylics.

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  • Jo Sonja Flow Medium

    Chroma's Jo Sonja Flow Medium is added to Chroma’s Jo Sonja Matte Flow Acrylic and Background Colours and other Chroma’s Jo Sonja Mediums for thinning as needed for paint application…

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  • Jo Sonja Gesso Primer

    Chroma's Jo Sonja Gesso Primer is a flexible acrylic ground with a smooth to medium grit content that provides a ‘tooth’ on which to paint.

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  • Jo Sonja Glass & Tile Primer (Part A)

    Chroma's Jo Sonja Glass & Tile Primer (Part A) is used to prepare glass, tile and enamel prior to painting. Use with Chroma's Jo Sonja Glass & Tile Medium (Part…

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  • Jo Sonja Glass & Tile Medium (Part B)

    Use Chroma's Jo Sonja Glass and Tile Medium with Chroma’s Jo Sonja Matte Flow Acrylic for painting on glass, glazed ceramics and enamel.

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  • Jo Sonja Kleister Medium

    Chroma's Jo Sonja Kleister Medium is a semi-transparent medium that provides extra body for textural patterns for faux finishes such as wood graining and faux bois.

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  • Jo Sonja Tannin Sealer & Gold Leaf Size

    Chroma's Tannin Sealer & Gold Leaf Size has excellent adhesive and sealing properties. Use on wood or masonite surfaces where tannin, oil or pitch may bleed through paint. Also use…

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  • Jo Sonja Magic Mix

    Chroma's Jo Sonja Magic Mix is a light sealer containing an extender for a longer ‘open’ or blending time. Use as a substitute for water.

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  • Jo Sonja Texture Paste

    Chroma's Jo Sonja Texture Paste is a heavy impasto paste that remains flexible when dry and will not crack. Use it to create texture before or during painting. may be…

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  • Jo Sonja Retarder Medium

    Chroma's Jo Sonja Retarder Medium is used to extend the “open” or drying time of paint for special techniques such as antiquing or in hot, dry conditions. Recommended for use…

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  • Jo Sonja Wood Stain Gels

    Chroma’s Jo Sonja Wood Stain Gels are manufactured using transparent pigments to lightly colour the surface without the ‘milking or hazing’ associated with the use of opaque colours.

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  • Jo Sonja Decoupage Varnish

    Chroma's Jo Sonja Decoupage Varnish is a heavy-bodied version of Gloss Varnish for artists who wish to finish their projects with a thick, lacquer-like coating. It has been specially formulated…

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Jo Sonja’s Artists’ Colours Tutorials

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