Daler-Rowney Art Masking Fluid - 175ml

Daler-Rowney Art Masking Fluid is a professional-grade medium designed for watercolour artists to ...

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Product Information

Full details

Daler-Rowney Art Masking Fluid is an essential tool for professional watercolourists and hobbyists looking to preserve white space and create sharp highlights in their work. This medium provides a reliable, water-resistant barrier on paper or board, allowing for complex layering and controlled overpainting. While highly effective, users must be diligent about tool maintenance, as the formula dries rapidly and can permanently damage high-quality brushes if not managed properly.

All features

Model Part Number114017020
BrandDaler-Rowney

Extended Product Information

FAQs

Can I use this with acrylic paints?

While formulated specifically for watercolour, it can often be used with other water-based media like inks and gouache. Test on a scrap piece of paper first.

How do I remove the masking fluid safely?

Use a clean finger, a soft white eraser, or a clean cotton bud to gently rub the edge of the dried fluid until it lifts off the paper.

Does this fluid contain ammonia?

Daler-Rowney masking fluid is designed for standard artistic use. If you have specific chemical sensitivities, please consult the product label or official safety data sheets.

How long should I wait before painting over the fluid?

Wait until the fluid appears completely dry and opaque to the touch. Depending on humidity, this usually takes only a few minutes.

Can I use this on stretched canvas?

Yes, it is suitable for use on most porous surfaces like watercolour paper and board, but always perform a test patch on your specific substrate first.

Troubleshooting

Masking fluid is difficult to remove from the paper.

Ensure the paper was completely dry before application and do not leave the fluid on the surface for an extended period (weeks or months), as it may become brittle.

The fluid has thickened inside the jar.

This is often due to improper cap closure. Always ensure the child-lock cap is sealed tight after every use to prevent air exposure.

Fluid damaged my favourite paintbrush.

Once dry, the fluid is extremely difficult to remove from bristles. Always use inexpensive, sacrificial brushes or tools for masking applications.

Pros and Cons

Pros

  • Dries quickly for immediate overpainting
  • Removes cleanly without tearing paper
  • Compatible with a wide range of water-based media
  • Generous 175ml capacity for long-term use

Cons

  • Hardens quickly and can ruin fine brushes
  • Requires careful application for precision
  • Must be removed promptly to avoid residue

Setup, Compatibility & Care

To maximize the life of your brushes, never apply this fluid with your best sable hair tools. Instead, utilize an old brush, a specialized rubber-tipped colour shaper, a wooden toothpick, or a pen nib. If you must use a brush, dip the bristles in soapy water or coat them with a thin layer of soap before dipping them into the fluid; this creates a barrier that makes cleaning significantly easier. Store the jar upright in a cool, dry place to prevent the fluid from thickening prematurely. Always ensure the child-lock cap is tightened securely after every session to prevent evaporation.

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