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Watercolour Mediums: Popular Questions from Artists
What Are Watercolour Mediums?
Watercolour mediums are specialised additives that artists incorporate into their watercolour paints to modify and enhance their properties.
These mediums allow for greater control, versatility, and creativity in watercolour painting by altering aspects such as drying time, texture, transparency, and flow. Key examples of watercolour mediums include:
Gum Arabic: A binding medium that increases the gloss and transparency of watercolours while slowing down drying time, allowing for smoother blending and layering.
Masking Fluid: A latex-based liquid used to preserve white areas of the paper, creating highlights and intricate details by protecting specific sections from paint.
Ox Gall: A flow enhancer that improves the smoothness and spreadability of watercolours, reducing surface tension and helping pigments flow more easily across the paper.
Blending Medium: Facilitates seamless colour transitions and gradients, enabling artists to blend different hues effortlessly.
Granulation Medium: Promotes the natural granulation effect in watercolours, where pigment particles settle unevenly on the paper, adding texture and depth.
Iridescent Medium: Adds a shimmering, pearlescent finish to watercolours, enhancing the visual appeal with subtle light reflections.
Binding Medium: Creates a smooth, watersoluble paste with a honey-like consistency when mixed with dry pigments. If paints are too thick, this medium can be used as a thinner.
Artists use watercolour mediums to tailor their watercolour paints to specific techniques and desired outcomes, offering greater versatility and control over their artwork. By incorporating different mediums, artists can:
Modify Paint Properties: Adjust the drying time, transparency, and flow of watercolours to suit various painting styles and techniques.
Enhance Texture and Depth: Create unique textures, such as granulation or iridescence, and build depth through layering and blending.
Protect Specific Areas: Use masking fluid to preserve white spaces and highlights, ensuring precise control over light and shadow in compositions.
Improve Technique: Utilise blending mediums to achieve smooth transitions and gradients, and ox gall to facilitate the even spread of pigments.
Expand Creative Possibilities: Experiment with different finishes and effects, such as glossy highlights or textured backgrounds, to add complexity and interest to artworks.
Watercolour mediums encourage artists to push the boundaries of their creativity, allowing for a wide range of expressive and detailed techniques that enhance the overall quality and impact of their paintings.
‘One of the great advantages of watercolour is its simplicity. All you need to start painting is water, a brush, and some pans or tubes of colour. But what if you want to take watercolour a little further? Watercolour mediums can help you control how watercolour paint behaves – including its texture, how it flows, how it lifts from the paper, and how fast it dries.’
— Evie Hatch, Studio and Materials Specialist, Jackson's Art Supplies
Watercolour mediums have been integral to the evolution of watercolour painting. While watercolours themselves date back centuries, the development of specialised mediums has allowed artists to refine and expand their techniques significantly.
Gum Arabic: Traditionally used in ceramics and printmaking, gum arabic was adopted by watercolour artists to enhance the binding and transparency of their paints.
Ox Gall: Originating from the bile of cattle, ox gall has been used since ancient times as a flow enhancer in various artistic mediums, including watercolour.
Masking Fluid: Introduced to address the need for preserving white spaces and creating sharp highlights, masking fluid became a staple for artists seeking greater precision in their work.
As the art world progressed, the introduction of modern watercolour mediums like blending and granulation mediums revolutionised watercolour techniques. Today, watercolour mediums continue to evolve, with advancements in formulation and application expanding their applications and creative potential.
At Jackson's Art Supplies, we are committed to providing artists with the highest quality watercolour mediums. Our extensive selection includes premium products from trusted brands, ensuring reliability and excellence in every medium we offer.
- Premium Quality: We stock watercolour mediums from renowned brands such as Schmincke, Sennelier, and Winsor & Newton, known for their superior formulation and performance.
- Extensive Selection: Our range encompasses a variety of mediums, including granulation medium for watercolour, blending medium, and watercolour flow medium, allowing artists to find the perfect product for their specific techniques.
- Competitive Pricing: We offer high quality watercolour mediums at affordable prices, making professional quality supplies accessible to all artists.
- Customer Trust: With a 4.8-star rating on Trustpilot, Jackson's Art Supplies is trusted by artists worldwide for our exceptional products and outstanding customer service.
By choosing Jackson's, you're not only investing in the best watercolour mediums but also joining a community that values quality, expertise, and artistic growth. Explore our comprehensive range to find the perfect watercolour mediums.
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Ready to enhance your watercolour paintings with high quality mediums? Browse our extensive collection of watercolour mediums and discover the perfect products to suit your creative needs. Start your order online today and benefit from our competitive prices, fast shipping, and exceptional customer service.
Need more help? Visit Contact Us and Help & Advice pages for expert guidance on selecting and using watercolour mediums effectively.
How Much Medium Should I Add to Watercolour Paint?
When adding mediums to your watercolours, it's essential to start with a small amount and gradually increase as needed. Begin by mixing a few drops or a small quantity of medium into your paint to assess the consistency and effect.
Building up slowly allows you to maintain control over the paint's flow and transparency, ensuring you achieve the desired outcome without over-saturating the paint. Always test the mixture on a scrap piece of paper before applying it to your artwork to ensure the medium performs as intended.
Which Watercolour Mediums Are Good for Glazing?
Gum arabic is an excellent medium for glazing with watercolour. It increases the transparency and gloss of the paint, allowing for multiple layers of colour to be applied without muddying the hues.
Gum arabic also slows down the drying time, giving you ample opportunity to blend and layer colours. This makes it ideal for building depth and achieving luminous effects in your watercolour paintings.
Can You Mix Different Watercolour Mediums With Each Other?
Yes, many artists blend different watercolour mediums to achieve unique effects and enhance their painting techniques. For example, combining gum arabic with iridescent medium can add both transparency and a shimmering finish to your watercolours.
Similarly, mixing ox gall with a blending medium can improve flow and blendability while maintaining control over your paint. However, it's important to experiment with medium combinations on a test surface before applying them to your final artwork to ensure compatibility and achieve the desired results.
Can You Varnish Watercolour Paintings After Using Mediums?
Yes, you can varnish watercolour paintings after using mediums, but it's crucial to use a varnish designed for watercolours. Watercolour-specific varnishes protect the artwork without altering the delicate transparency and subtle textures created by the mediums.
Always ensure your painting is completely dry before applying varnish to prevent any unwanted reactions or damage to the surface. Applying a watercolour varnish will safeguard your artwork from dust, dirt, and UV light, enhancing its longevity and appearance.
For more information, read ‘Watercolour Varnish: Can You Make Watercolour Waterproof?’ on Jackson’s Art Blog.
Can Watercolour Mediums Affect Transparency?
Watercolour mediums can influence the transparency of your paints. Gum arabic, for example, enhances transparency by binding more pigment to the water, allowing underlying layers to show through and creating luminous washes.
Also, gloss mediums can reduce transparency by adding a glossy finish that makes colours appear more opaque.
Can Watercolour Mediums Change the Colour of the Paint?
While watercolour mediums do not generally alter the inherent colour of the paint, they can impact the paint's texture, transparency, and flow. Mediums like iridescent medium can add a subtle shimmer or sheen, enhancing the visual appeal without changing the paint's original colour. It's important to experiment with different mediums to understand how they interact with your watercolours.
How Can I Take Care of My Tools When Using Watercolour Mediums?
Proper maintenance of your tools is essential when working with watercolour mediums to ensure their longevity and performance:
Immediate Cleaning: Rinse brushes and applicators thoroughly with water after each use to remove any residual medium and prevent buildup.
Dedicated Tools: Use specific brushes or tools for applying mediums like masking fluid or gum arabic to avoid mixing with your primary painting tools and colours.
Proper Storage: Store brushes with their bristles facing upwards or in a way that allows them to dry completely, preventing deformation and maintaining their shape.
Avoid Prolonged Exposure: Do not leave brushes soaked in mediums. This can degrade the bristles and reduce their effectiveness over time.
Do Watercolour Mediums Impact Drying Time?
Yes, watercolour mediums can impact the drying time of your paints:
Gum Arabic and Blending Medium: These mediums tend to slow the drying time, providing more flexibility for blending and layering colours. This extended working time allows for smoother transitions and more controlled applications.
Granulation Medium: While primarily used to add texture, some granulation mediums can also affect drying time by altering the paint's consistency and flow.
Aqua Gloss: This medium may slightly extend drying time due to its added gloss and binding properties, but its primary function is to enhance the paint's finish rather than modify drying time.
Understanding how each medium affects drying time enables you to better plan your painting process and achieve the desired effects with precision and ease.
For more information, read A Guide to Watercolour Mediums on Jackson’s Art Blog.